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  • Fisheries  (298)
  • Viet Nam  (24)
  • Analytical Chemistry and Spectroscopy
  • Polymer and Materials Science
  • NOAA/National Marine Fisheries Service  (165)
  • Bangkok, Thailand  (146)
  • 101
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    STREAM Journal, Vol. 4, No. 1, pp 1-17. January-March 2005 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1703 | 6 | 2011-09-29 20:06:16 | 1703 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: CONTENTS: Young people taking bolder steps, by Josephine P. Savaris. Providing a venue for voices to be heard, by Elizabeth M. Gonzales and Josephine Savaris. Rehabilitation of Bundu Pond: STREAM’s Initiative and DoF’s Action, by Bhim Nayak and Ashish Kumar. Coastal resources utilization and conservation issues in Cox’s Bazar, Bangladesh, by M.K. Abu Hena, H. Sharifuzzaman, M.S. Aftabuddin and M.N. Haque. People, fish and reefs: a livelihoods learning curve, by Abigail Moore. Understanding the marine ornamental trade and its impact on the livelihoods of poor stakeholders in the Philippines, by Elizabeth M. Gonzales.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Banggai Islands ; Indonesia ; Jharkhand State ; India ; Leyte ; Philippines ; Cox’s Bazar District ; Bangladesh
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 102
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    STREAM Journal, Vol. 5, No. 1, pp 1-18. January-March 2006 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1720 | 6 | 2011-09-29 20:08:10 | 1720 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: CONTENTS: Policy development as a theme and policy briefs as a genre, by Graham Haylor and William Savage. Decriminalizing Cambodian family-scale fishers through a livelihoods approach to law reform, by Nao Thuok and Chun Sopha. Longer pond leases in Orissa, by Reshmee Guha and Rubu Mukherjee. One-stop aqua shop: a “one-window delivery” service center for aqua-farmers and fishers, by S.D. Tripathi, Rubu Mukherjee and Kuddus Ansary. Fisheries and aquaculture policy formulation process in Pakistan, by Muhammad Junaid Wattoo and Dr. Muhammad Hayat. Improving the international marine ornamental fish trade to sustain and improve the livelihoods of poor people involved in the trade, by Aniza Suspita, Michael J. Phillips and Samliok Ndobe.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Cambodia ; Indonesia ; Orissa ; India ; Pakistan
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 103
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    STREAM Journal, Vol. 5, No. 2, pp 1-17. April-June 2006 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1722 | 6 | 2011-09-29 20:08:12 | 1722 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-09
    Beschreibung: CONTENTS: First one-stop aqua shop in Pakistan, by Syed Nadeem Sharib and Muhammad Junaid Wattoo. Dad Karim: a fisherman of Gwadar, by Abdul Rahim. Learning to fish in the deep sea of Sindh Province, by Muhammad Alam. Freshwater prawn fishery of Pakistan, by Muhammad Yaqoob. Cephalopod fishery: a local technique to catch cuttlefish in the coastal waters of Pakistan, by Shabir Ali Amir. Grouper culture in Pakistan, by S. Makhdoom Hussain and Zakia Khatoon.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Pakistan ; Freshwater prawns ; Cephalopods ; Cuttlefish ; Grouper
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 104
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    STREAM Journal, Vol. 5, No. 3, pp 1-18. July-September 2006 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1723 | 6 | 2011-09-29 20:08:14 | 1723 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: CONTENTS: Impacts of the fisheries policy reform on livelihoods in Cambodia, by Chun Sophat and Mitchell Isaacs. A success story about aquaculture in India, by Shri Prameswar Bhoi. Two stories from Nepal: fisherman becomes a rich fish farmer, women’s empowerment through aquaculture, by Rjendra Yadav, Rabindra Man Malla. A positive change in perceptions in Pakistan, by Cecile Brugere. Small details that matter: a story from the Philippines, by Rommel Guarin. A Vietnamese farmer managing aquaculture and capture in a reservoir, by Nguyen Van Lung.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Cambodia ; India ; Nepal ; Pakistan ; Philippines ; Vietnam
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 105
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    STREAM Journal, Vol. 4, No. 4, pp 1-17. October-December 2005 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1719 | 6 | 2011-09-29 20:08:08 | 1719 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: CONTENTS: Seaweed culture and farmer incomes in Bekasi, Indonesia, by A. Mauksit L. Maala and Aniza Suspita. Significant change for a self-help group, by Nguyen Song Ha. Conflict over fishing in Jharkhand, by Ashish Kumar. Two worlds across a highway, by William Savage. Critical steps in preparing coastal communities for effective policy changes, by Josephine P. Savaris. New guidelines on data collection and iniormation sharing for co-management, by Charlotte Howard.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Bekasi District ; Indonesia ; Jharkhand ; India ; Vietnam ; Pakistan ; Visayas ; Philippines ; Seaweed
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 106
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    STREAM Journal, Vol. 5, No. 4, pp 1-18. October-December 2006 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1724 | 6 | 2011-09-29 20:08:17 | 1724 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-10
    Beschreibung: CONTENTS: Success story of one-stop aqua shop in Kaipara Village, by Kuddus Ansary. Enhancement of people’s livelihoods in Kompong Kra Sang community fishery, by Chun Sophat. Char livelihoods of the old Brahmaputra River in Bangladesh, by Nesar Ahmed. Fin fish community structure as a measure of ecological degradation in two tropical rivers of India, by D. Chakrabarty and S.K. Das. Penaeid shrimp fisheries of Pakistan, by Razia Sultana. Reviving the shrimp industry in Capiz, by Jessica C. Esmao.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Cambodia ; India ; Pakistan ; Bangladesh ; Shrimp
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 107
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    STREAM Journal, Vol. 4, No. 2, pp 1-17. April-June 2005 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1717 | 6 | 2011-09-29 20:07:43 | 1717 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-09
    Beschreibung: CONTENTS: Changes in Jabarrah, by Satyendra D. Tripathi, as told by Thanda Mahato. Palu Hijau in the Banggai Islands Jabarrah: using knowledge for change, by Akhdary Dj Supu, translated by Abigail Moore. Banggai Islands case study: building foundations for action, by Samliok Ndobe, translated by Abigail Moore. Three stories from Nepal, by Ghanshayam Poudel, Suraj, Ramesh Gautam, Pashupati Chaudhary, Anil Subedi, Muralidhar Mishara and Chet Nath Adhikari. Me and my work, by Sheryll Alcazar. Livelihoods approaches: skills learned, applied and shared, by Monica Piquero-Tan.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Purulia District ; West Bengal ; India ; Banggai Islands ; Central Sulawesi ; Indonesia ; Nepal ; Philippines
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 108
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    STREAM Journal, Vol. 6, No. 1, pp 1-21. Jan-March 2007 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1725 | 6 | 2011-09-29 20:08:19 | 1725 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-10
    Beschreibung: CONTENTS: Approaches to understanding pond-dike systems in Asia: the POND-LIVE project approach, by Dave Little, Marc Verdegem and Roel Bosma. The contribution of fish ponds to nutrient cycling in integrated farming systems, by P.N. Muendo, J.J. Stoorvogel and Marc Verdegem. Improving the contribution of fishfarming to livelihoods in Northeast Thailand, by Chittra Arjinkit, Roel Bosma, Danai Turongrouang. Benefits of pond-dike systems in Bangladesh, by M.S. Kabir, M.A. Wahab and Marc Verdegem. Common carp increases rohu production in farmers ponds, by Mohammad Mustafizur Rahman, Md. Abdul Wahab and Marc C.J. Verdegem. Improving pond-dike farming systems in the Mekong delta, Vietnam; the Can Tho approach, by Dang Kieu Nhan, Le Thanh Duong, Le Thanh Phong, Roel H. Bosma and Marc C.J. Verdegem. Fuzzy pathways for farm development in Vietnam, by Roel H. Bosma, Le Thanh Phong, and Dang Kieu Nhan.
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Asia ; Egypt ; Thailand ; Bangladesh ; India ; Vietnam
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 109
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    System requirement report for ‘Level 2’: national management institutions, Fisheries Department in Cambodia (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1775 | 6 | 2011-09-29 20:06:06 | 1775 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-07-10
    Beschreibung: (51 p.)
    Beschreibung: Food and Agriculture Organization of the United Nations
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA)
    Schlagwort(e): Management ; Fisheries ; fishery resources ; Cambodia
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 110
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    STREAM country strategy paper: Cambodia (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1776 | 6 | 2011-09-29 20:04:18 | 1776 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-10
    Beschreibung: Cambodia is one of the poorest countries in the world; much of its population live in rural areas and many live below the local poverty line. The management of common property aquatic resources is of over-riding importance to food security and sustainable rural development in Cambodia. The key groups of poor people who use aquatic resources as part of their diverse livelihoods portfolios are subsistence fishers, small-scale aquaculture practitioners and aquatic resources collectors. Subsistencefishers access mainly the rivers, lakes and inundated forests in Tonle Sap provinces, the lower Mekong and Bassac regions and the upper part of the Mekong. Small-scale aquaculture and/or the collection of aquatic resources are most important in provinces that are not rich in fisheries resources including Kompong Speu, Ratnakiri, Mondulkiri, Preah Vihear and Ortdar Meanchey. Freshwater capture fisheries probably contribute more to national food security and the national economy in Cambodiathan in any other country in the world. (19 p.)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Management ; Fisheries ; Aquaculture ; Policies ; Cambodia ; Tonle Sap ; Bassac ; Mekong River ; Kompong Speu ; Ratnakiri ; Mondulkiri ; Preah Vihear ; Ortdar Meanchey
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 111
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    An examination of the Community Fisheries Sub-Decree in Cambodia: changes and developments during the drafting process (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/1780 | 6 | 2011-09-29 20:03:54 | 1780 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-10
    Beschreibung: This study examines the development of the Community Fisheries Sub-Decree. From its promulgation in late 2000 through its draft form in June 20021, this sub-decree has gone through over 25 drafts. Initially, the writing process involved the public intimately: community meetings were conducted, NGOs contributed their knowledge and expertise, and then, with these consultations in mind, thenewly-formed Community Fisheries Development Office (CFDO) in the Department of Fisheries (DoF) drafted the sub-decree. Over the following year and a half, the sub-decree went through numerous changes, some of which fundamentally alter the tenor of the legislation. This includes the deletion of some of the primary issues of rural communities, such as what fishing gears they can use and whether they can participate in patrolling the fishing area. While the final form is still pending, there are many questions as to the positive effects that the sub-decree will ultimately have on people’s livelihoods when it is finally approved. This research was undertaken to track the development of the sub-decree to gain a better understanding of how the Cambodian policy-making system functions. Consultations were undertaken with the DoF and CFDO before the research began, both of which agreed to the study. It is hoped that this report will help not only those interested in community fisheries issues, but also those who want to advocate on other Cambodian development issues as well. Due to the sensitive nature of the subject material, and the fact that the sub-decree is still pending, the author has conducted interviews with the express purpose of keeping them confidential. Therefore, no individual will be quoted directly in this study. In addition, many of the English versions of the drafts examined were unofficial translations. The author has made no effort to correct the English in the drafts. Moreover, there are also questions regarding the drafts and their sequence, as no government records were kept of the process or the changes that were made along the way. These have been compiled after the fact. (33 p.)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand). ISBN 974-91800-4-6
    Schlagwort(e): Law ; Fisheries ; Cambodia ; fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 112
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    Aquatic resources in the Philippines and the extent of poverty in the sector (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2333 | 424 | 2011-09-29 19:15:05 | 2333 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: This report presents an overview of the state of aquatic resources in the Philippines, its performance and importance in the Philippine economy, and explores the situation of poverty in the "aquatic resources sector." The report describes the policy environment that guides the action of key actors in the sector.The report also provides a general analysis of some trends in relation to factors that keep the poor from participating and benefiting from aquatic resource management, based on the perspectives of the authors. (PDF contains 135 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Philippines ; Voluntary Service Overseas (VSO)
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 113
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    A livelihoods study of farmers and fishers in Dang Tong Village Kampong Chhnang Province (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2327 | 424 | 2011-09-29 19:15:56 | 2327 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: This is the report of a livelihoods study team working together with villagers from Dang Tong Village in Kampong Chhnang Province, Cambodia. The study of the livelihoods of farmers and fishers is based on information provided by the villagers of Dang Tong, who shared their knowledge and raised real problems related to their livelihoods. [PDF contains 37 pages.]
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Agriculture ; Cambodia ; Dang Tong ; Kampong Chhnang
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
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  • 114
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    A briefing on livelihoods approaches in fisheries and aquaculture (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2416 | 424 | 2011-09-29 19:00:45 | 2416 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: (PDF contains 2 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Aquaculture
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 115
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    A livelihoods study of fishers and farmers in Thai Nguyen Province (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2405 | 424 | 2011-09-29 19:09:53 | 2405 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: This is the report of a livelihoods study team working together with members of two communes in Quang Tri Province, Vietnam. The study is based on information provided by the commune members, who shared their knowledge and spoke about real problems they face with their livelihoods.The study was conducted from 10-30 October 2001. The team worked with key informants in two communes, Dan Tien in Vo Nhia District and Phuong Tien in Dinh Hoa District, who participated in discussions and represented households in the commune. The livelihoods studies in Dan Tien and Phuong Tien communes explored existing human, labor andnatural resources as well as other factors affecting people’s livelihoods. (PDF contains 32 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Agriculture ; Vietnam ; Thai Nguyen
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 116
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    Two worlds across a highway (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2474 | 424 | 2011-09-29 19:06:44 | 2474 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: The Government of Pakistan and FAO have put into practice a participatory process that sought to involve as wide a range of stakeholders as possible, with two rounds ofconsultations ‘close’ to people in communities and in some cases, actually with poor people and women. This is the relation of one day of these consultations in a little Pakistani village called Chilya. (Pdf contains 5 pages).
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Pakistan ; Sindh ; Thatta ; Chilya
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 117
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    A guide to the Thalassinidea (Crustacea: Malacostraca: Decapoda) of the South Atlantic Bight (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2477 | 403 | 2011-09-29 19:06:51 | 2477 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-07-13
    Beschreibung: Ghost shrimp and mud shrimp in the decapod infraorder Thalassinidea are ecologically important members of manybenthic intertidal and shallow subtidal infaunal communities, largely due to the sediment filtration and mixing that result from their burrowing and feeding behavior. These activities considerably modify their immediate environment and have made these cryptic animals extremely interesting to scientists in terms of their behavior, ecology, and classification.Over 20 years ago, seven species of thalassinideans were known from the South Atlantic Bight (Cape Hatteras, NC to Cape Canaveral, FL). During this study, the examinationof extensive collections from the National Museum of Natural History (NMNH), the Southeastern Regional Taxonomic Center (SERTC), and regional institutions, resultedin the identification of 14 species of thalassinideanscurrently known to occur within this region. The family Axiidae is represented by three species: Axius armatus, Calaxius jenneri, and Paraxiopsis gracilimana; the Callianassidae by six: Biffarius biformis, B. cf. fragilis, Callichirus major, Cheramus marginatus, Gilvossius setimanus, and Necallianassa berylae; the Calocarididae by two: Calocaris templemani and Acanthaxius hirsutimanus; andthe families Laomediidae, Thomassiniidae, and Upogebiidae are each represented by one: Naushonia crangonoides, Crosniera wennerae, and Upogebia affinis, respectively. Anillustrated key is presented for species level identification and supplemental notes on the ecology, distribution, and taxonomy of the species are provided.(PDF file contains 38 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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  • 118
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    Genetic and morphological identification of pelagic juvenile rockfish collected from the Gulf of Alaska (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2476 | 403 | 2014-02-21 01:10:02 | 2476 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-07-13
    Beschreibung: Pelagic juvenile rockfish (Sebastes spp.) collected in surveys designed to assess juvenile salmonids and other species in the Gulf of Alaska in 1998 and 2000–2003provide an opportunity to document the occurrence of the pelagic juveniles of several species of rockfish. Often, species identification of rockfish is difficult or impossible at this stage of development (~20 to 60 mm),and few species indigenous to Alaska waters have been described. Use of mitochondrial DNA markers for rockfish species allowed unequivocal identification of ten species (S. aleutianus, S. alutus, S. borealis, S. entomelas, S.flavidus, S. melanops, S. pinniger, S. proriger, S. reedi, and S. ruberrimus) in subsamples from the collections. Other specimens were genetically assignable to groups of two or three species. Sebastes borealis, S. crameri, and S. reedi were identified using morphological data. Combining genetic and morphological data allowed successful resolution of the other species as S. emphaeus, probably S. ciliatus (although S. polyspinis cannot be totally ruled out), and S. polyspinis. Many specimens were initially morphologically indistinguishable from S. alutus, and several morphological groups included fish geneticallyidentified as S. alutus. This paper details the characteristics of these pelagic juveniles to facilitate morphological identification of these species in future collections. (PDF file contains 32 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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    Emerging technologies for reef fisheries research and management [held during the 56th annual Gulf and Caribbean Fisheries Institute meeting in Tortola, British Virgin Islands, November 2003] (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2480 | 403 | 2011-09-29 18:56:12 | 2480 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-07-13
    Beschreibung: This publication of the NOAA Professional Paper NMFS Seriesis the product of a special symposium on “Emerging Technologies for Reef Fisheries Research and Management” held during the 56th annual Gulf and Caribbean Fisheries Institute meeting in Tortola, British Virgin Islands, November 2003. The purpose of this collection is to highlight the diversity of questions and issues in reeffisheries management that are benefiting from applications of technology. Topics cover a wide variety of questions and issues from the study of individual behavior, distribution and abundance of groups and populations, and associations between habitats and fish and shellfish species.(PDF files contains 124 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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    Distribution patterns of fish eggs in the U.S. Northeast Continental Shelf Ecosystem, 1977-1987 (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2524 | 403 | 2011-09-29 18:49:44 | 2524 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: This atlas presents information on fish eggs and temperature data collected from broadscale ichthyoplankton surveys conducted off the U.S. northeast coast from ]977 to1987. Distribution and abundance information is provided for 33 taxa in the form of graphs and contoured egg-density maps by month and survey. Comments are included on interannual and interseasonal trends in spawning intensity. Data on 14 additional but less numerous taxa are provided in tabular form. (PDF file contains 316 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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    Field guide to requiem sharks (Elasmobranchiomorphi: Carcharhinidae) of the Western North Atlantic (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2503 | 403 | 2011-09-29 18:58:46 | 2503 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-07-13
    Beschreibung: Identification problems are common for many sharks due to a general lack of meristic characteristics that are typicallyuseful for separating species. Other than number of vertebrae and number and shape of teeth, identifications are frequently based on external features that are often shared among species. Identification problems in the field are most prevalent when live specimens are captured and releasing them with a minimum of stress is a priority (e.g., shark tagging programs). Identifications mustbe accurate and conducted quickly but this can be challenging, especially if specimens are very active or too large to be landed without physical damage. This field guide was designed primarily for use during field studies and presents a simplified method for identifying the 21 species of western North Atlantic Ocean sharks belonging to the family Carcharhinidae (carcharhinids). To assist with identifications a dichotomous key to Carcharhinidae was developed, and for the more problematic Carcharhinus species (12 species), separation sheets based on importantdistinguishing features were constructed. Descriptive text and illustrations provided in the species accounts were developed from field observations, photographs, andpublished references. (PDF file contains 36 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 122
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    Synopsis of biological data on the Nassau grouper, Epinephelus striatus (Bloch, 1792), and the jewfish, E. itajara (Lichenstein, 1822) (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2523 | 403 | 2011-09-29 18:49:02 | 2523 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-25
    Beschreibung: Information on the biology, fishery resources, explotiation patterns, management, and conservation status of two species of grouper-the Nassau grouper, Epinephelus striatus, and the jewfish, Epinephelus itajara-is compiled, reviewed, and analyzed. (PDF file contains 68 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
    Repository-Name: AquaDocs
    Materialart: monograph
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    Investigation of unusual mortalities of bottlenose dolphins along the mid-Texas coastal bay ecosystem during 1992 (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2522 | 403 | 2011-09-29 18:48:59 | 2522 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-25
    Beschreibung: An investigation was conducted into the deaths of more than 220 bottlenose dolphins (Tursiops truncatus) that occurred within the coastal bay ecosystem of mid-Texas between January and May 1992. The high mortality rate was unusual in that it was limited to a relatively small geographical area, occurred primarily within an inshore bay system separated from the Gulf of Mexico by barrier islands, and coincided with deaths of other taxa including birds and fish. Factors examined to determine the potential causes of the dolphin mortalities included microbial pathogens, natural biotoxins, industrial pollutants, other environmental contaminants, and direct human interactions. Emphasis was placed on nonpoint source pesticide runoff from agricultural areas, which had resulted from record rainfall that occurred during the period of increased mortality.Analytical results from sediment, water, and biota indicated that biotoxins, trace metals, and industrial chemical contamination were not likely causative factors in this mortality event. Elevated concentrations of pesticides (atrazine and aldicarb) were detected in surface water samples from bays within the region, and bay salinities were reduced to 〈10 ppt from December 1991 through April 1992 due to record rainfall and freshwater runoff exceeding any levels since 1939. Prolonged exposure to low salinity could have played a significant role in the unusual mortalities because low salinity exposure may cause disruption of the permeability barrier in dolphin skin. The lack of established toxicity data for marine mammals, particularly dermal absorption and bioaccumulation, precludes accurate toxicological interpretation of results beyond a simple comparison to terrestrial mammalian models. Results clearly indicated that significant periods of agricultural runoff and accompanying low salinities co-occurred with the unusual mortality event in Texas, but no definitive cause of the mortalities was determined. (PDF file contains 25 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 124
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    Aquatic resources management for sustainable livelihoods of poor people: proceedings of the DFID-ARM e-mail conference, June 2000 (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2565 | 424 | 2011-09-29 18:53:57 | 2565 | Support to Regional Aquatic Resources Management
    Details
    Publikationsdatum: 2021-06-25
    Beschreibung: This e-mail conference has been organised by the DFID Aquatic Resources Management (ARM) Programme, S E Asia. It forms part of a wider process of consultation including links with other donors, with government and non-government partners and participatory livelihood assessments with vulnerable groups who benefit from aquatic resources. The objective is to provide a forum forprofessionals who have been involved in aquatic resources management in the context of poor peoples’ livelihoods, to share experiences, reflect on approaches and contribute to their development. Participants can submit poster presentations (2-pagers) and contribute to the discussions (via the conference website) organised around 5 key issues, set out in this discussion paper. After 4 weeks online the contributed posters and discussions will be edited into a document assessing approaches to aquatic resources management, which benefit livelihoods of poor people. This will be downloadable from the website. (PDF contains 134 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific based in Bangkok (Thailand)
    Schlagwort(e): Management ; Fisheries ; Sociology ; Aquaculture ; South-East Asia ; Bangladesh ; Laos ; Vietnam ; Mekong basin
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    An analysis of poverty and aquatic resources use - focusing especially on the livelihoods of the poor - in Cambodia (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2217 | 424 | 2011-09-29 19:26:54 | 2217 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-12
    Beschreibung: The main objectives of this report, which is based on the current literature and key informant interviews, is to assess and analyse the nature and distribution of poverty and aquatic resources use, focusing especially on the livelihoods of the poor. It describes and reports different ways of measuring poverty that are used in Cambodia and quantifies the diverse nature and geographic distribution of aquatic resources use in Cambodia. (PDF contains 55 pages)
    Beschreibung: DFID-SEA Aquatic Resources Management Programme (ARMP)
    Beschreibung: The Stream Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA).
    Schlagwort(e): Fisheries ; Sociology ; Cambodia
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    Supporting the planning of a community fisheries monitoring and evaluation database: a collaborative project undertaken by CFDO, FLD, STREAM, VSO and AYAD (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2243 | 424 | 2011-09-29 19:21:34 | 2243 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-12
    Beschreibung: Cambodia is one of the poorest countries in the world; much of its population live in rural areas and many live below the local poverty line. The management of common property aquatic resources is of over-riding importance to food security and sustainable rural development in Cambodia. Aquatic resources are utilized principally by subsistence fishers and the landless, for whom aquatic resource use is an important livelihood activity.Subsistence fishers access mainly the rivers, lakes and inundated forests in Tonle Sap provinces, the lower Mekong and Bassac regions and the upper part of the Mekong.Freshwater capture fisheries probably contribute more to national food security and the national economy in Cambodia than in any other country in the world. (PDF contains 52 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Planning ; Cambodia ; Department of Fisheries Phnom Penh (CFDO) ; Support to Regional Aquatic Resources Management (STREAM) ; Department of Women's and Veteran's Affairs (DoWA) ; Farmer Livelihood Development (FLD) ; Voluntary Services Overseas (VSO)
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  • 127
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    The Indonesian ornamental fish trade: case studies and options for improving livelihoods while promoting sustainability in Banggai and Banyuwangi (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2247 | 424 | 2011-09-29 19:21:54 | 2247 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-12
    Beschreibung: The four main objectives of this case study are:1. Understanding market chains: an overview of the market chain from Indonesian reefs to international retail, with greater detail for case study sites.2. Identifying poor people in the market chains: including people involved in the chain of custody and others who may be indirectly involved or impacted.3. Understanding the influence of the marine ornamentals trade on the livelihoods of poor people: the case study looks specifically for underlying as well as obvious factors contributing to poverty reduction, and identify examples of better practice for poverty reduction in the marine ornamentals trade, including examples of positive livelihood outcomes from participation of poor people.4. Identifying recommendations to improve poor people’s livelihoods. (PDF contains 286 pages)
    Beschreibung: The International seafood trade: supporting sustainable livelihoods among poor aquatic resource users in Asia (EC-PREP Project EP/RO3/R14)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Environment ; Indonesia ; Banggai ; Banyuwangi
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    Synthesis report with pro-poor trade research findings and policy recommandations (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2308 | 424 | 2011-09-29 19:16:30 | 2308 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: The purpose of the project was to investigate international trade in fisheries products and its relationship to poverty alleviation and livelihoods of poor aquatic resource users in developing countries in Asia, and to identify options to improve the effectiveness of poverty reduction through international seafood trade. The project directly addressed the EC-PREP priority area of trade and development, and indirectly provided valuable insight to two other priority areas: food security and sustainable rural development; and institutional capacity building. [PDF contains 60 pages.]
    Beschreibung: International seafood trade: supporting sustainable livelihoods among poor aquatic resource users in Asia (EC PREP Project EP/RO3/R14)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Policies ; South-East Asia ; Indonesia ; Philippines ; Vietnam
    Repository-Name: AquaDocs
    Materialart: monograph
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    Marine ornamentals trade in the Philippines and options for its poor stakeholders (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2309 | 424 | 2011-09-29 19:16:34 | 2309 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: The objective of this project in the Philippines is to promote the development of policy changes and other actions related to the trade in ornamental fish with Europe which support poor people’s livelihoods. [PDF contains 118 pages.]
    Beschreibung: International seafood trade: supporting sustainable livelihoods among poor aquatic resource users in Asia (EC-PREP Project EP/R03/014)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand). NB Page 1 missing
    Schlagwort(e): Fisheries ; Sociology ; Philippines
    Repository-Name: AquaDocs
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    A livelihoods study of farmers and fishers in Dang Kom Village - Kandal Province (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2314 | 424 | 2011-09-29 19:16:59 | 2314 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-07-13
    Beschreibung: The main objective of this study was to build the capacity of the CFDO and provincial staff to conduct livelihoods studies using a more participatory approach. The livelihoods study team comprised one person from the CFDO, four people from the Kandal Provincial Fisheries Office and two from the Kandal Department of Women's Affairs. Before conducting the field study, the team members participated in a three-day training workshop on how to use various PRA tools and techniques. The study team then spent five days in the village finding out about people’s livelihoods and the resources available to them. [PDF contains 37 pages]
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific (NACA) in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Sociology ; Agriculture ; Cambodia ; Dang Kom ; Kandal
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    Population characteristics of gulf menhaden, Brevoortia patronus (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  http://aquaticcommons.org/id/eprint/2520 | 403 | 2011-09-29 19:00:33 | 2520 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-25
    Beschreibung: The status of the Gulf menhaden, Brevoortia patronus, fishery was assessed with purse-seine landings data from 1946 to 1997 and port sampling data from 1964 to 1997. These data were analyzed to determine growth rates, biological reference points for fi shing mortality from yield per recruit and maximum spawning potential analyses, spawner-recruit relationships, and maximum sustainable yield (MSY). The separable virtual population approach was used for the period 1976–97 (augmented by earlier analyses for 1964–75) to obtain point estimates of stock size, recruits to age 1, spawning stock size, and fishing mortality rates. Exploitation rates for age-1 fi sh ranged between 11% and 45%, for age-2 fi sh between 32% and 72%, and for age-3 fi sh between 32% and 76%. Biological reference points from yield per recruit (F0.1: 1.5–2.5/yr)and spawning potential ratio (F20: 1.3–1.9/yr and F30: 0.8–1.2/yr) were obtained for comparison with recent estimates of F (0.6–0.8/yr). Recent spawning stock estimates (as biomass or eggs) are above the long-term average, while recent recruits to age 1 are comparable to the long-termaverage. Parameters from Ricker-type spawner-recruit relations were estimated, although considerableunexplained variability remained. Recent survival to age-1 recruitment has generally been below that expected based on the Ricker spawner-recruit relation. Estimates of long-termMSY from PRODFIT and ASPIC estimation of production model ranged between 717,000 t and 753,000 t, respectively. Declines in landings between 1988 and 1992 raised concerns about the status of the Gulf menhaden stock. Landings have fl uctuated without trend since 1992, averaging about 571,000 t. However, Gulf menhaden are short lived and highly fecund. Thus, variation in recruitment to age 1, largely mediated by environmental conditions, infl uences fi shing success over the next two years (as age-1 and age-2 fi sh). Comparisons of recent estimates of fi shingmortality to biological reference points do not suggest overfishing. (PDF file contains 22 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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    Inland fisheries and aquaculture mission Myanmar (2021)
    Support to Regional Aquatic Resources Management (STREAM) | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/2537 | 424 | 2011-09-29 18:50:57 | 2537 | Support to Regional Aquatic Resources Management
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    Publikationsdatum: 2021-06-25
    Beschreibung: Results of an inland fisheries and aquaculture mission in Myanmar carried out by the Department of Fisheries of Myanmar together with STREAM and NACA to evaluate and plan in the field of inland fisheries from the point of view of livelihoods from freshwater fisheries and aquaculture. (Pdf contains 22 pages)
    Beschreibung: The STREAM Initiative was hosted at the Network of Aquaculture Centres in Asia-Pacific based in Bangkok (Thailand)
    Schlagwort(e): Fisheries ; Aquaculture ; Sociology ; Planning ; Myanmar
    Repository-Name: AquaDocs
    Materialart: other
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    Guide to the Identification of Larval and Early Juvenile Poachers (Scorpaeniformes: Agonidae) from the Northeastern Pacific Ocean and Bering Sea (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2678 | 403 | 2011-09-29 18:36:58 | 2678 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Developmental stages of 22 species representing 16 genera of agonid fishes occurring in the northeastern Pacific Ocean from San Francisco Bay to the Arctic Ocean are presented. Three of these species also occur in the North Atlantic Ocean. Larval stages of nine species are described for the first time. Additional information or illustrations intended to augment original descriptions are provided for eight species. Information on five other species is provided from the literature for comparative purposes.The primary objective of this guide is to present taxonomic characters to help identify the early life history stages of agonid fishes in field collections. Meristic, morphometric, osteological, and pigmentation characters are used to identify agonid larvae. Meristic features include numbers of median-fin elements, pectoral-fin rays, dermal plates, and vertebrae. Eye diameter, body depth at the pectoral-fin origin, snout to first dorsal-fin length, and pectoral-fin length are the most useful morphological characters. Presence, absence, numbers, and/or patterns of dermal plates in lateral rows or on the ventral surfaceof the gut are also useful. Other important characters are the presence, absence, numbers, and ornamentation of larval head spines. Lastly, distinct pigmentation patterns are often diagnostic. The potential utility of larval characters in phylogenetic analysis of the family Agonidae is discussed. (PDF file contains 92 pages.)
    Schlagwort(e): Management ; Fisheries
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    Stock Composition of Some Sockeye Salmon, Oncorhynchus nerka, Catches in Southeast Alaska, Based on Incidence of Allozyme Variants, Freshwater Ages, and a Brain-Tissue Parasite (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2683 | 403 | 2011-09-29 18:36:05 | 2683 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The incidence of four discrete characters of individual sockeye salmon -two genetically inherited proteins (PGM-1*and PGM-2*), freshwater age at migration, and the presenceof the brain-tissue parasite Myxobolus arcticus-in weekly samples from two Alaskan fisheries (Noyes Island in 1986 and Sumner Strait in 1987) were used to infer stockcomposition of the catches based on corresponding character samples from 73 Alaskan and Canadian stocks. Estimated contributions of 13 stock groups, formed on the basis ofcharacter similarity of their members, were roughly consistent with expectations from tagging experiments, knowledge of stock magnitudes, and similar assessments from scales. Imprecision of the estimated contributions by the 13 stock groups limited their practical value; but variability was much reduced for combined estimated contributions by two inclusive categories, namely stock groups whose members had either high or low brainparasiteprevalence. Noyes Island catches consisted predominantly of unparasitized fish, most of which were probably of Canadian origin. The majority of Sumner Strait catches consisted of parasitized fish, whose freshwater origins may have been in Alaska or Canada. (PDF file contains 27 pages.)
    Schlagwort(e): Management ; Fisheries
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    Marine Flora and Fauna of the eastern United States: Acanthocephala (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2680 | 403 | 2011-09-29 18:34:45 | 2680 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The phylum Acanthocephala (intestinal worm parasites of vertebrates) of the Atlantic coast of the United States comprises 43 species and 20 genera belonging to three orders: Echinorhynchida, Neoechinorhynchida, and Polymorphida. Adults are exclusively intestinal parasites of vertebrates. This study includes those species found in vertebrates of marine and estuarine environments along the North American Atlantic coast between Maine and Texas. Species that can be found within that geographical range and those that typically infect freshwater fishes but that are occasionally present in marine or estuarine hosts arealso included. The taxonamy, anatomy, natural history, and ecology of the phylum Acanthocephala are discussed, and an illustrated key to the genera is presented. Techniques, anannotated systematic treatment of all 43 species, and a systematic index are included. No systematic decisions will be made at this time, but areas where such decisions are pending will be indicated and discussed for future reports. (PDF file contains 32 pages.)
    Schlagwort(e): Ecology ; Fisheries
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    A Photographic Catalog of Killer Whales, Orcinus orca, frOIll the Central Gulf of Alaska to the Southeastern Bering Sea (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2684 | 403 | 2011-09-29 18:36:02 | 2684 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: In 1992 and 1993, researchers from the National Marine Mammal Laboratory initiated photo-identification studies on Alaskan killer whales, Orcinus orca. Waters from KodiakIsland west to the central and eastern Aleutian Islands and southeastern Bering Sea were surveyed. A total of 289 individual whales were identified. A photographic record of the whales encountered during these surveys is presented. When photographs of the 289 individual whales were compared among various regions in Alaska (Prince William Soundand Southeast Alaska) and areas outside Alaska (British Columbia, Washington, and California), 11 matches were found. The count is conservative because the 1992 and 1993surveys were limited in geographical range, restricted to summer periods, and whales may have been missed along the survey trackline. Future research incorporating both photoidentification studies and line transect surveys will provide reliable abundance estimates of Alaskan killer whales. (PDF file contains 58 pages.)
    Schlagwort(e): Conservation ; Management ; Fisheries
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    Ichthyoplankton Adjacent to Live-Bottom Habitats in Onslow Bay, North Carolina (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2682 | 403 | 2011-09-29 18:36:31 | 2682 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The abundance and distribution of ichthyoplankton adjacent to live-bottom habitats (rock outcroppings containing rich, sessile invertebrate communities and many species oftropical and subtropical fishes) in open-shelf waters « 55-m isobath) in Onslow Bay, North Carolina, were investigated. Larvae of reef-associated genera, especially the economically important subtropical and tropical members of the families Haemulidae (Haemulon), Lutjanidae (Lutjanus and Rltomboplites), Serranidae (Mycteroperca and Epinephelus), and Sparidae (Calamus and Pagrus) were targeted. Larvae representing 40 families were collected in neuston tows. Commonly collected reef-associated families were Balistidae, Blenniidae (dominated by the reef-associated Parablennius marmoreus) , Mullidae, and Gobiidae. Larvae representing 70 families werecollected in subsurface tows. Reef-associated families commonly collected included Apogonidae, Balistidae, Gobiidae, Haemulidae, LutJanidae, Scaridae, and Serranidae. Larval Haemulon sp (p)., Lutjanus sp(p)., and Rltomboplites aurorubens were commonly collected and thus it is likely that these taxa spawn in Onslow Bay and recruit to live-bottom sites within the area. Other families of fishes commonly collected but generally not considered reef-associated included Bothidae, Callionymidae, Carangidae, Clupeidae, Engraulidae, and Ophidiidae. Estuarine-dependent species (e.g. the clupeid Brevoortia tyrannus and the sciaenids Leiostomus xanthurus and Micropogonias undulatus) were an important component of the ichthyoplankton during late fall and winter. The frequent occurrence of larvae fromoceanic species (e.g. gonostomatids and myctophids) indicated that Gulf Stream waters had intruded onto the shelf, transporting these larvae to open-shelf waters off North Carolina.(PDF file containes 36 pages.)
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    The History, Present Condition, and Future of the Molluscan Fisheries of North and Central America and Europe: Volume 3, Europe (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2686 | 403 | 2011-09-29 18:36:00 | 2686 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: (PDF file contains 248 pages.)
    Schlagwort(e): Ecology ; Fisheries
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  • 139
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    Biology and Management of Sablefish, Anoplopoma fimbria: Papers from the International Symposium on the Biology and Management of Sablefish, Seattle, Washington, 13-15 April 1993 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2685 | 403 | 2011-09-29 18:35:51 | 2685 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: At its june 1990 annual meeting, the Technical Subcommittee(TSC) of the Canada-U.S. Groundfish Committee recommended that scientists and managers working on sablefish, Anoplopoma fimbria, issues convene to present and discuss the results of their recent research. Thorough knowledge of the biology and population dynamics of this species is essential for its effective management, especially considering its commercial importance. TSC representatives from both countries recognized that a great deal ofactive research has been conducted on this species since the International Sablefish Symposium was held in Anchorage, Alaska, in March 1983 (Melteff, 1983). As a result of this recommendation, the International Symposium on the Biology and Management of Sablefish (ISBMS) was convened April 13-15, 1993, at the Alaska Fisheries Science Center in Seattle, Washington. (PDF file contains 286 pages.)
    Schlagwort(e): Conservation ; Management ; Fisheries
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  • 140
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    The History, Present Condition, and Future of the Molluscan Fisheries of North and Central America and Europe: Volume 2, Pacific Coast and Supplemental Topics (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2687 | 403 | 2020-08-23 23:57:43 | 2687 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: Over 100 molluscan species are landed in Mexico. About 30% are harvested on the Pacific coast and 70% on the Atlantic coast. Clams, scallops, and squid predominate on thePacific coast (abalone, limpets, and mussels are landed there exclusively). Conchs and oysters predominate on the Atlantic coast. In 1988, some 95,000 metric tons (t) of mollusks were landed, with a value of $33 million. Mollusks were used extensively in prehispanic Mexico as food, tools, and jewelry. Their use as food and jewelry continues. Except in the States of Baja California and Baja California Sur, where abalone, clams, and scallops provide fishermen with year-round employment, mollusk fishing is done part time. On both the Pacific and Atlantic coasts, many fishermen are nomads, harvesting mollusks wherever theyfind abundant stocks. Upon finding such beds, they build camps, begin harvesting, and continue until the mollusks become so scarce that it no longer pays to continue. They then look for productive beds in other areas and rebuild their camps. Fishermen harvest abalones, mussels, scallops, and clams by free-diving and using scuba and hooka. Landings of clams and cockles have been growing, and 22,000 t were landed in 1988. Fishermen harvest intertidal clams by hand at wading depths, finding them with their feet. In waters up to 5 m, they harvest them by free-diving. In deeper water, they use scuba and hooka. Many species ofgastropods have commercial importance on both coasts. All species with a large detachable muscle are sold as scallops. On the Pacific coast, hatchery culture of oysters prevails. Oyster culture in Atlantic coast lagoons began in the 1950's, when beds were enhanced by spreading shells as cultch for spat. (PDF file contains 228 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 141
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    The History, Present Condition, and Future of the Molluscan Fisheries of North and Central American and Europe: Volume 1, Atlantic and Gulf Coasts (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2688 | 403 | 2011-09-29 18:35:15 | 2688 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This three-volume monograph represents the first majorattempt in over a century to provide, on regional bases, broad surveys of the history, present condition, and future of the important shellfisheries of North and Central America and Europe. It was about 100 years ago that Ernest Ingersoll wrote extensively about several molluscan fisheries of North America (1881, 1887) and about 100 years ago that Bashford Dean wrote comprehensively about methods of oyster culture in Europe (1893). Since those were published, several reports, books, and pamphlets have been written about the biology and management of individual species or groups ofclosely related mollusk species (Galtsoff, 1964; Korringa, 1976 a, b, c; Lutz, 1980; Manzi and Castagna, 1989; Shumway, 1991). However, nothing has been written during the past century that is comparable tothe approach used by Ingersoll in describing the molluscanfisheries as they existed in his day in North America or, for that matter, in Europe. (PDF file contains 224 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 142
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    Ecology of Juvenile Walleye Pollock, Theragra chalcogramma: Papers from the workshop "The Importance of Prerecruit Walleye Pollock to the Bering Sea and North Pacific Ecosystems" Seattle, Washington, 28-30 October 1993 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2689 | 403 | 2011-09-29 18:35:26 | 2689 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The Alaska Fisheries Science Center (AFSC), NationalMarine Fisheries Service (NMFS), hosted an internationalworkshop, 'The Importance of Prerecruit Walleye Pollock to the Bering Sea and North Pacific Ecosystems," from 28 to 30 October 1993. This workshop was held in conjunction with the annual International North Pacific Marine Science Organization (PICES) meeting held in Seattle. Nearly 100 representatives from government agencies, universities, and the fishing industry in Canada, Japan, the People's Republic of China, Russia, and the United States took part in the workshop to review and discuss current knowledge on juvenile pollock from the postlarval period to the time they recruit to the fisheries. In addition to its importance to humans as a major commercial species, pollock also serves as a major forage species for many marine fishes, birds, and mammals in the North Pacific region.(PDF file contains 236 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 143
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    Population Characteristics of Gulf Menhaden, Brevoortia patronus (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2690 | 403 | 2011-09-29 18:34:33 | 2690 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The status of the gulf menhaden, Brevoortia patronus, fishery was assessed with purseseine landing data from 1946 to 1992 and port sampling data from 1964 to 1992. These datawere analyzed to determine growth rates, biological reference points for fishing mortality from yield per recruit and maximum spawning potential analyses, spawner-recruit relationships, and maximum sustainable yield (MSY). Virtual population approaches were used to obtain point estimates of stock size, recruits to age I, spawning stock size, and fishing mortality rates. Exploitation rates ranged between 14% and 45% for age-1 fish, between30% and 72% for age-2 fish, and between 36% and 71% for age-3 fish. Biological reference points from yield per recruit (FO. I: 0.7-0.9 yr-1) and maximum spawning potential (F20: 1.62.9 yr-l and F30: 1.0-2.1 yr-1) were obtained for comparison with recent estimates of F (0.4-0.8 yr-l). Parameters from Ricker-type spawner-recruit relations were estimated, although considerable unexplained variability remained. Estimates of long-term MSY from fits of thegeneralized production model ranged between 664,000 metric tons (t) and 897,000 t. Declines in landings since 1988 have raised concerns about the status of the gulf menhadenstock. However, gulf menhaden are short lived and highly fecund. Thus, variation in recruitment to age 1 largely mediated by environmental conditions influences fishingsuccess over the next two years (as age-1 and age-2 fish). Comparisons of recent estimates of fishing mortality to biological reference points do not suggest overfishing. (PDF file contains 26 pages.)
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  • 144
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    The Summer Flounder, Scup, and Black Sea Bass Fishery of the Middle Atlantic Bight and Southern New England Waters (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2693 | 403 | 2011-09-29 18:34:08 | 2693 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Summer flounder, Paralichthys dentatus, scup, Stenotomus chrysops, and black sea bass, Centropristis striata, cooccur within the Middle Atlantic Bight and off southern New England and are important components of commercial and recreational fisheries. The commercial otter trawl fishery for these species is primarily a winter fishery, whereas the recreational fishery takes place between late spring and autumn. The otter trawl fishery generally targetssummer flounder, and less frequently scup, while black sea bass occurs as bycatch. Trips in which all three species were present yielded highest aggregate landings per unit of effort (LPUE) levels and occurred more often than trips landing only one or two species. More than 50% of the trips in the trawl fishery landed at least two of the three species. In contrast, greater than 75% of the recreational landings of each species occurred as a result of tripslanding only one species. Differences in the fisheries resulted from the interactions of seasonal changes in species distributions and gear selectivity. (PDF file contains 18 pages.)
    Schlagwort(e): Management ; Fisheries
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  • 145
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    Marine Flora and Fauna of the Eastern United States: Platyhelminthes: Monogenea (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2694 | 403 | 2011-09-29 18:34:25 | 2694 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: (PDF file contains 112 pages.)
    Schlagwort(e): Ecology ; Fisheries
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  • 146
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    Stocks of Dolphins (Stenella spp. and Delphinus delphis) in the Eastern Tropical Pacific: A Phylogeographic Classification (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2696 | 403 | 2011-09-29 18:34:00 | 2696 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: Current information is reviewed that provides clues to the intraspecific structure of dolphin species incidently killed in the yellowfin tuna purse-seine fishery of the eastern tropical Pacific (ETP). Current law requires that management efforts are focused on the intraspecific level, attempting to preserve local and presumably locally adapted populations. Four species are reviewed: pantropical spotted, Stenella attenuata; spinner, S. longirostTis;striped, S. coeruleoalba; and common, Delphinus delphis, dolphins. For each species, distributional, demographic, phenotypic, and genotypic data are summarized, and theputative stocks are categorized based on four hierarchal phylogeographic criteria relative to their probability of being evolutionarily significant units. For spotted dolphins, the morphological similarity of animals from the south and the west argues that stock designations (and boundaries) be changed from the current northernoffshore and southern offshore to northeastern offshore and a combined western and southern offshore. For the striped dolphin, we find little reason to continue the presentdivision into geographical stocks. For common dolphins, we reiterate an earlier recommendation that the long-beaked form (Baja neritic) and the northern short-beaked form bemanaged separately; recent morphological and genetic work provides evidence that they are probably separate species. Finally, we note that the stock structure of ETP spinnerdolphins is complex, with the whitebelly form exhibiting characteristics of a hybrid swarm between the eastern and pantropical subspecies. There is little morphological basis at present for division of the whitebelly spinner dolphin into northern and southern stocks. However, we recommend continued separate management of the pooled whitebelly forms, despite their hybrid/intergrade status. Steps should be taken to ensure that management practices do not reduce the abundance of eastern relative to whitebelly spinner dolphins. To do so may lead to increased invasion of the eastern's stock range and possible replacement of the eastern spinner dolphin genome.(PDF file contains 24 pages.)
    Schlagwort(e): Conservation ; Management ; Fisheries ; pantropical spotted ; Stenella attenuata ; spinner ; Stenella longirostTis ; striped ; Stenella coeruleoalba ; and common ; Delphinus delphis ; dolphins
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  • 147
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    Conservation Biology of Elasmobranchs (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2700 | 403 | 2011-09-29 18:29:26 | 2700 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Elasmobranchs are vital and valuable components of themarine biota. From an ecological perspective they occupythe role of top predators within marine food webs, providinga regulatory control that helps balance the ecosystem.From an evolutionary perspective, this group represents anearly divergence along the vertebrate line that producedmany unusual, but highly successful, adaptations in functionand form.From man's perspective, elasmobranchs have been consideredboth an unavoidable nuisance, and an exploitable fishery resource. A few of the large shark species have earned a dubious notoriety because of sporadic attacks on humans that occur in coastal areas each year worldwide; thehysteria surrounding an encounter with a shark can becostly to the tourist industry. More importantly, elasmobranchs are often considered a detriment to commercialfishing operations; they cause significant economic damageto catches and fishing gear. On the other hand, consumerattitudes have changed concerning many previouslyunpopular food fishes, including elasmobranchs, and thisgroup of fishes has been increasingly used by both recreational and commercial fishing interests. Many elasmobranchs have become a popular target of recreational fishermen for food and sport because of their abundance, size, and availability in coastal waters. Similarly, commercial fisheries for elasmobranchs have developed or expanded from an increased demand for elasmobranch food products. (PDF file contains 108 pages.)
    Schlagwort(e): Conservation ; Fisheries ; Biology
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  • 148
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    Control of Disease in Aquaculture: Proceedings of the Nineteenth U.S.-Japan Meeting on Aquaculture, Ise, Mie Prefecture, Japan, 29-30 October 1990, Satellite Symposium: 2 November (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2704 | 403 | 2011-09-29 18:30:13 | 2704 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The United States and Japanese counterpart panels on aquaculture were formed in 1969 under the United States-Japan Cooperative Program in Natural Resources (UJNR). The panels currently include specialists drawn from the federal departments most concerned with aquaculture. Chargedwith exploring and developing bilateral cooperation, the panels have focused their efforts on exchanginginformation related to aquaculture which could be of benefit to both countries.The UJNR was begun during the Third Cabinet-Level Meeting of the Joint United States-Japan Committee on Trade and Economic Affairs in January 1964, In addition to aquaculture, current subjects in the program include desalination of seawater, toxic microorganisms, air pollution, energy, forage crops, national park management, mycoplasmosis, wind and seismic effects, protein resources,forestry, and several joint panels and committees in marine resources research, development, and utilization.Accomplishments include increased communication and cooperation among technical specialists; exchanges of information, data, and research findings; annual meetings of the panels, a policy-coordinative body; administrative staff meetings; exchanges of equipment, materials, and samples; several major technical conferences; and beneficial effects on international relations. (PDF file contains 150 pages.)
    Schlagwort(e): Management ; Fisheries ; Aquaculture
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  • 149
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    Description of Early Larvae of Four Northern California Species of Rockfishes (Scorpaenidae: Sebastes) from Rearing Studies (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2699 | 403 | 2011-09-29 18:29:21 | 2699 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: About 72 species of Sebastes (Family Scorpaenidae) are found along the eastern Pacific coast of North America, some of which are heavily exploited by both commercial andsport fisheries. Because of the large number of species, the identification of early life stages has progressed slowly. The objectives of this study were 1) to rear the larvae of four species of rockfish (Sebastes mystinus, S. carnatus, S. atrovirens, and S. rastrelliger); and2) to describe the larvae using morphometric measurements, pigmentation patterns, and head spination.Pigmentation was the most useful feature for identification purposes. Two general patterns were found: 1) a short row of ventral midline melanophores on the tail, and none or very little postero-dorsal pigmentation (S. mystinus); and 2) complete ventral midline pigmentation on the tail, and anterior and postero-dorsal melanophores (S. carnatus, S. atrovirens, and S. rastrelliger). With the exception of very early stages of S. carnatus and S. atrovirens, these species can be readily identified. Morphometric proportionsand head spination did not show major differences among species.Because of the great similarities found among species in this genus, descriptions from field studies are uncertain to some extent. Laboratory rearings, although difficult, canat least provide early larvae from known species which allow precise identification as well as an estimation ofvariability of characters (e.g., pigmentation) within and between broods.(PDF file contains 22 pages.)
    Schlagwort(e): Ecology ; Fisheries
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  • 150
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    Pictorial Guide to the Groupers (Teleostei: Serranidae) of the Western North Atlantic (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2697 | 403 | 2011-09-29 18:34:04 | 2697 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This guide was developed to assist with the identification of western North Atlantic grouper species of the genera Alphestes, Cephalopholis, Dermatolepis, Epinephelus,Gonioplectrus, Mycteroperca, and Paranthias. The primary purpose for assembling the guide is for use with projects that deploy underwater video camera systems. The mostvital source of information used to develop the guide was an archive of underwater video footage recorded during fishery projects. These video tapes contain 348 hours ofsurvey activity and are maintained at the National Marine Fisheries Service (NMFS), Pascagoula, Mississippi. This footage spans several years (1980-92) and was recordedunder a wide variety of conditions depicting diverse habitats from areas of the western North Atlantic Ocean, Caribbean Sea, and Gulf of Mexico. Published references wereused as sources of information for those species not recorded on video footage during NMFS projects. These references were also used to augment information collected from video footage to provide broader and more complete descriptions. The pictorial guide presents information for all 25 grouper species reported to occur in the western North Atlantic. Species accounts provide descriptive text and illustrations depicting documented phases for the various groupers. In addition, species separation sheets based on important identification features were constructed to further assist with species identification. A meristic table provides information for specimens captured in conjunction with videoassisted fishery surveys. A computerized version enables guide users to amend, revise,update, or customize the guide as new observations and information become available. (PDF file contains 52 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 151
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    Larval Fish Recruitment and Research in the Americas: Proceedings of the Thirteenth Annual Larval Fish Conference Merida, Mexico, 21-26 May 1989 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2720 | 403 | 2011-09-29 18:32:12 | 2720 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-25
    Beschreibung: The 13th Annual Larval Fish Conference and Annual Meeting of the American Fisheries Society Early Life History Section cohosted by Mote Marine Laboratory, United States, and the Instituto Nacional de la Pesca, Mexico, were held 21-26 May 1989, in Merida, Yucatan, Mexico. The purpose of holding the meeting in Mexico was to encourage the participation of our Latin American and Caribbean colleagues and to provide a forum for the exchange of ideas and information among researchers working in the Americas. More than 150 participants represented 24 U.S. states, the District of Columbia, and 13 foreign countries including Mexico, Canada, Puerto Rico, Costa Rico, Panama, Cuba, Columbia, Chile, Peru, Brazil, Argentina, South Africa, and West Germany. The Conference began with registration and a social inthe courtyard patio of the Merida Holiday Inn. Fresh redgrouper, the most important commercial finfish species ofthe State of Yucatan, was prepared and served by the hotelstaff, courtesy of CPI, Itzamex, and the Terramar TradingCompany. (PDF file contains 146 pages.)
    Schlagwort(e): Ecology ; Fisheries
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  • 152
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    Marine Flora and Fauna of the Eastern United States: Copepoda, Cyclopoida: Archinotodelphyidae, Notodelphyidae, and Ascidicolidae (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2719 | 403 | 2011-09-29 18:32:06 | 2719 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-25
    Beschreibung: This manual includes an introduction to the general biology, a selected bibliography, and an illustrated key to 11 genera and 17 species of copepods of the Crustacea, Subclass Copepoda, Order Cyclopoida, Families Archinotodelphyidae, Notodelphyidae and Ascidicolidae, associated with ascidians from the Atlantic Coast of the United States. Species distributed from the Gulf of Maine to Long Island Sound are emphasized. An annotated systematic list, with statements of the world distribution and new records of association with hosts, and a systematic index are also provided. (PDF file contains 44 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 153
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    Genetics in Aquaculture: Proceedings of the Sixteenth U.S.-Japan Meeting on Aquaculture Charleston, South Carolina October 20 and 21, 1987 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2723 | 403 | 2011-09-29 18:32:42 | 2723 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-26
    Beschreibung: The United States and Japanese counterpart panels on aquaculture were formed in 1969 under the United States-Japan Cooperative Program in Natural Resources (UJNR). The panels currently include specialists drawn from the federal departments most concerned with aquaculture. Charged with exploring and developing bilateral cooperation, the panels have focused their efforts on exchanging information related to aquaculture which could be of benefitto both countries.The UJNR was begun during the Third Cabinet-Level Meeting of the Joint United States-Japan Committee on Trade and Economic Affairs in January 1964. In addition to aquaculture, current subjects in the program include desalination of seawater, toxic microorganisms, air pollution, energy, forage crops, national park management, mycoplasmosis, wind and seismic effects, protein resources, forestry, and several joint panels and committees in marineresources research, development, and utilization.Accomplishments include: Increased communication and cooperation among technical specialists; exchanges of information, data, and research findings; annual meetings of the panels, a policy-coordinative body; administrative staff meetings; exchanges of equipment, materials, and samples; several major technical conferences; and beneficial effects on international relations. (PDF file contains 88 pages.)
    Schlagwort(e): Management ; Fisheries ; Aquaculture
    Repository-Name: AquaDocs
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  • 154
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    Distribution and Abundance of Juvenile Salmonids off Oregon and Washington, 1981-1985 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2722 | 403 | 2011-09-29 18:32:32 | 2722 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-26
    Beschreibung: This report is a summary of the results of 883 purse seine sets made for juvenile salmonids during 15 cruises off the coasts of Oregon and Washington during the springs and summers of 1981-1985. Juvenile coho salmon (Oncorhynchus kisutch) occurred most frequently, followed by chinook salmon (0. tshawytscha). The juveniles of these two species co-occurred more frequently than expected. Juvenile chum, pink and sockeye salmon (0. keta, O. gorbuscha, and O. nerka), steelhead (0. mykiss) and cutthroat trout (0. clarki clarki) were caught much less frequently and in lower numbers than coho or chinook salmon. We found no evidence of large schools ofjuvenile salmonids. A northerly movement of juvenile coho salmon wa~ suggested by decreased catches off Oregon and increased catches off Washington between early and late summer. Highest catch per set of juvenile coho salmon was usually found inshore of 37.2 km. Juvenile chinook salmon were usually found within 27.9 km of the coast. Juvenile salmonids were found over a broadrange of surface salinities and temperatures. High catches of juvenile coho salmon occurred in both the low salinity waters of the Columbia River plume and in adjacent higher salinity waters. Preferences for specific salinities or temperatures were not obvious for any species, although catch rates of juvenile coho salmon were highest in years when chlorophyll content was also high. Based on expansions of fish with coded wire tags, we estimated that hatchery coho salmon smolts comprised 74%, on average, of the juvenile coho salmon catches. The remaining 26% were presumably wild fish or hatchery fish released as fingerlings. Hatchery coho salmon were caught roughlyin proportion to the numbers released. However, hatchery fish from the Columbia River and private coastal facilities were caught at slightly higher rates while those from coastal Washington and public coastal Oregon hatcheries were caught at slightly lower rates than expected from thenumbers released. No juvenile coho salmon with coded wire tags were caught that had originated from either California or Puget Sound hatcheries. (PDF file contains 88 pages.)
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  • 155
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    Marine Flora and Fauna of the Northeastern United States Echinodermata: Crinoidea (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2724 | 403 | 2011-09-29 18:32:46 | 2724 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-26
    Beschreibung: The crinoid fauna of the continental margin (0-1500 m) of northeastern North America (Georgia to Canada) includes 14 species in 13 genera and 5 families. We introduce the external morphology and natural history of crinoids and include a glossary of terms, an illustrated key to local taxa, annotated systematic list, and an index. The fauna includes 2 species found no further south than New England and 8 that occur no further north than the Carolinas and Blake Plateau. Comactinia meridionalis (Agassiz) is the only species commonly found in shallow water «50 m). Notaxa are endemic to the area. (PDF file contains 34 pages.)
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  • 156
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    Incidental Catch of Marine Mammals by Foreign and Joint Venture Trawl Vessels in the U.S. EEZ of the North Pacific, 1973-88 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2711 | 403 | 2011-09-29 18:30:52 | 2711 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: During 1973-88, 3,661 marine mammals of 17 species were reported as incidental catch by U.S. fishery observers aboard foreign and joint venture trawl vessels in the U.S.Exclusive Economic Zone in the North Pacific Ocean and the Bering Sea. Northern sea lions (Eumetopias jubatus) accounted for 90% of the reported incidental mortality in the Gulf of Alaska and eastern Bering Sea. Nearly half of these sea lions were taken in trawl nets in the Shelikof Strait, Alaska, joint venture fishery during 1982-84. However, high incidental mortality rates (〉25 sea lions per 10,000 metric tons of groundfish catch) also occurred in the foreign fisheries near Kodiak Island and in the Aleutian Islands area in earlier years. Estimated annual mortality of incidentally caught northern sea lions inAlaska declined from 1,000 to 2,000 animals per year during the early 1970s and 1982 to fewer than 100 animals in 1988. In the Bering Sea most sea lions incidentally caught weremales, while in the Gulf of Alaska females were more frequently caught. Females may also have been dominant in the incidental catch of sea lions in the Aleutian Islands area, but age and sex composition data are limited. Incidental mortality of adult female sea lions by foreign trawl fisheries in these areas could have partially contributed to the reported declines in northern sea lion populations in Alaska during the 1970s, but it cannot aloneaccount for the present decline in population size. (PDF file contains 64 pages.)
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  • 157
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    Elasmobranchs as living resources: Advances in the biology, ecology, systematics, and the status of the fisheries (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2725 | 403 | 2011-09-29 18:36:51 | 2725 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This report owes its genesis to the foresight and enthusiamof Dr. Kazuhiro Mizue. By happy circumstance, Professor Mizue contacted me in 1983 with his visionary ideas on cooperative programs. He noted that the time was right because the Japan Society for the Promotion of Science and the National Science Foundation had mutually given priority to cooperative programs in marine biology.I therefore agreed to act as the U.S. coordinator and proposed to NSF, a short trip to Japan to negotiate site visits and timing with ten previously appointed Japanese scientists and, if that trip were successful, to negotiate a joint research project, possibly followed by a joint seminar. (PDF file contains 528 pages.)
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  • 158
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    Life history aspects of 19 rockfish species (Scorpaenidae: Sebastes) from the Southern California Bight (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2734 | 403 | 2011-09-29 18:33:23 | 2734 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The authors investigated various life history aspects of 19rockfish species (Sebastes chlorostictus, S. constellatus, S. dalli, S. elongatus, S. ensifer, S. entomelas, S. flavidus, S. goodei, S. hopkinsi, S. levis, S. melanostomus, S. miniatus, S. ovalis, S. paucispinis, S. rosaceus, S. rosenblatti, S. rufus, s. saxicola, S. semicinctus) from the southern California Bight. These aspects included depth distribution, age-length relationships (of 7 species), length-weight relationships, size at first maturity, spawning season, and fecundity. Growth rates of female S. elongatus, S. hopkinsi, S. ova/is, S. saxicola, and S. semicinctus were higherthan male conspecifics. Multiple spawning per season was found in 12 species. Generally, most species spawned between late winter and early summer, though there was some spawning within the genus throughout the year. Spawning season duration ranged from 2 (S. flavidus) to 10 months (S. paucispinis). Spawning seasons tended to start earlier in the year and be of longer duration in the southern California Bight, compared to published data on central California conspecifics. Males matured at a smaller length in 7 of the 17 species studied. Maximum fecundities ranged from 18,000 (S. dalll) to about 2,680,000 (S. levis). (PDF file contains 44 pages.)
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  • 159
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    Early-life-history profiles, seasonal abundance, and distribution of four species of Carangid larvae off Louisiana, 1982 and 1983 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2732 | 403 | 2011-09-29 18:33:16 | 2732 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: We present data on ichthyoplankton distribution, abundance,and seasonality and supporting environmental information forfour species of coastal pelagics from the family Carangidae: blue runner Caranx crysos, Atlantic bumper Chloroscombrus chrysurus, round scad Decapterus punctatus, and rough scad Trachurus lathami. Data are from 1982 and 1983 cruises off Louisiana sponsored by the Southeastern Area Monitoring and Assessment Program (SEAMAP). Bioprofiles on reproductive biology, early life history, meristics, adult distribution, and fisheries characteristics are also presented for these species.Maximum abundances of larval blue runner, Atlantic bumper, and round scad were found in July inside the 4O-m isobath, although during the rest of the cruises these species wererarely found together. Larval Atlantic bumper were capturedin June and July only; blue runner in May, June, and July; and round scad in all seasons. Atlantic bumper larvae, concentrated mostly off western Louisiana, were by far the most abundant carangid in 1982 and 1983. Larval blue runner were the second most abundant summer-spawned carangid in 1982 and 1983, but their abundance and depth distribution varied considerably between years. Relative abundance of larval round scad off Louisiana was low, and they were captured only west of the Mississippi River delta, although they are reported to dominate carangid populations in the eastern Gulf of Mexico. Rough scad were primarily winter/spring and outer-shelf (40-182 m) spawners. They ranked third in overall abundance, but were the most abundant target carangid on the outer shelf. Ecologicalparameters such as surface salinity, temperature, and station depth are presented from capture sites for recently hatched larvae 〈2.5 mm notochord length, except round scad) as well as for all sizes of fish below 14 mm standard length. (PDF file contains 44 pages.)
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  • 160
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    Benthic macrofauna and habitat monitoring on the Continental Shelf of the northeastern United States: I. Biomass (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2735 | 403 | 2011-09-29 18:33:26 | 2735 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Information on long-term temporal variability of and trends in benthic community-structure variables, such as biomass, is needed to estimate the range of normal variability in comparison with the effects of environmental change or disturbance. Fishery resource distribution and population growth will be influenced by such variability. This study examines benthic macrofaunal biomass and related data collected annually between 1978 and 1985 at 27 sites on the continental shelf of the northwestern Atlantic, from North Carolina to the southern Gulf of Maine. The study was expanded at several sites with data from other studies collected at the same sites prior to 1978. Results indicatethat although there was interannual and seasonal variability, as expected, biomass levels over the study period showed few clear trends. Sites exhibiting trends were either in pollution-stressed coastal areas or influenced by the population dynamics of one or a few species, especially echinoderms. (PDF file contains 34 pages.)
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  • 161
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    Results of abundance surveys of juvenile Atlantic and gulf Menhaden, Brevoortia tyrannus and B. patronus (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2737 | 403 | 2011-09-29 18:33:34 | 2737 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The estuarine populations of juvenile Atlantic and gulf menhaden (Brevoortia tyrannus and B. patronus) were sampledduring two-boat, surface-trawl, abundance surveys extensively conducted in the 1970s. Juvenile Atlantic menhaden were sampled in 39 estuarine streams along the U.S. Atlantic coast from northern Florida into Massachusetts. Juvenile gulf menhaden were sampled in 29 estuarine streams along the Gulf of Mexico from southeast Texas into western Florida. A stratified, two-stage, cluster sampling design was used. Annual estimates of relative juvenile abundance for each species ofmenhaden were obtained from catch-effort data from thesurveys. There were no significant correlations, for eitherspecies, between the relative juvenile abundance estimates and fishery-dependent estimates of year-class strength. From 1972 to 1975, the relative abundance of juvenile Atlantic menhaden in north Atlantic estuaries decreased to near zero. (PDF file contains 22 pages.)
    Schlagwort(e): Management ; Fisheries ; Brevoortia tyrannus ; Brevoortia patronus ; Atlantic menhaden ; Gulf menhaden
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  • 162
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    Cephalopods from the stomachs of sperm whales taken off California (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2738 | 403 | 2011-09-29 18:22:55 | 2738 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Cephalopod remains (beaks, bodies, and parts of bodies) werecollected from the stomachs of 157 sperm whales (Physetermacrocephalus) taken off central California (lat. 37°-39°N). At least 24 species representing 14 families were identified. Frequencies of occurrence of the six most numerous taxa were Moroteuthis robusta 72.0%, Gonatopsis borealis 66.2%, Histioteuthis dofleini 36.9%, Galiteuthis spp. (including G. phyllura and G. pacifica) 36.3%, Octopoteuthis deletron 35.0%, and Vampyroteuthisinfernalis 27.4%. One find of two Mesonychoteuthishamiltoni beaks strongly suggests transequatorial migration by one large male sperm whale. (PDF file contains 18 pages.)
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  • 163
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    Laboratory guide to early life history stages of northeast Pacific fishes (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2741 | 403 | 2020-03-04 15:43:42 | 2741 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This laboratory guide presents taxonomic information on eggsand larvae of fishes of the Northeast Pacific Ocean (north of California) and the eastern Bering Sea. Included are early-life-history series, illustrations, and comparative descriptions of 232 species expected to spawn here, out of a total 627 species known to occur in marine waters of this area. Meristic and general life-history data are included, as well as diagnostic characters to help identify eggs and larvae. Most of this information has been gleaned from literature, with the addition of 200 previously unpublished illustrations. (PDF file contains 654 pages.)
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  • 164
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    Marine farming and enhancement: Proceedings of the Fifteenth U.S.-Japan Meeting on Aquaculture, Kyoto, Japan October 22-23, 1986 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2736 | 403 | 2011-09-29 18:33:32 | 2736 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The United States and Japanese counterpart panels on aquaculture were formed in 1969 under the United States-Japan Cooperative Program in Natural Resources (UJNR). Thepanels currently include specialists drawn from the federal departments most concerned with aquaculture. Charged with exploring and developing bilateral cooperation, the panelshave focused their efforts on exchanging information related to aquaculture which could be of benefit to both countries.The UJNR was begun during the Third Cabinet-Level Meeting of the Joint United States-Japan Committee on Trade and Economic Affairs in January 1964. In addition to aquaculture, current subjects in the program include desalination of seawater, toxic microorganisms, air pollution, energy, forage crops, national park management, mycoplasmosis, wind and seismic effects, protein resources, forestry, and several joint panels and committees in marine resources research, development, and utilization.Accomplishments include: Increased communication and cooperation among technical specialists; exchanges of information, data, and research findings; annual meetings of the panels, a policy-coordinative body; administrative staff meetings; exchanges of equipment, materials, and samples; several major technical conferences; and beneficial effects on international relations. (PDF file contains 134 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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  • 165
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    Early-life-history profiles, seasonal abundance, and distribution of four species of Clupeid larvae from the northern Gulf of Mexico, 1982 and 1983 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2733 | 403 | 2011-09-29 18:33:19 | 2733 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: We present data on ichthyoplankton distribution, abundance,and seasonality and supporting environmental information forfour species of coastal pelagics from the family Clupeidae: round herring Etrumeus teres, scaled sardine Harengula jaguana, Atlantic thread herring Opisthonema oglinum, and Spanish sardine Sardinella aurita. Data are from 1982 and 1983 cruises across the northern Gulf of Mexico sponsored by the Southeastern Area Monitoring and Assessment Program (SEAMAP). This is the first such examination for these species on a multiyear and gulfwide scale. Bioproflles on reproductive biology, early life history, meristics, adult distribution, and fisheries characteristics are also presented for these species.During the summer, larval Atlantic thread herring and scaledand Spanish sardines were abundant on the inner shelf 〈40 mdepth), but were rare or absent in deeper waters. Scaled sardine and thread herring were found virtually everywhere inner-shelf waters were sampled, but Spanish sardines were rare in the north-central Gulf. During 1982, larval Atlantic thread herring were the most abundant of the four target c1upeid species, whereas Spanish sardine were the most abundant during 1983. On the west Florida shelf, Spanish sardine dominated larval c1upeid populations both years. Scaled sardine larvae were the least abundant of the four species both years, but were still captured in 25% of inner-shelf bongo net collections. Round herring larvae, collected February-early June (primarily March-April), were abundant on the outer shelf (40-182 m depth) and especially off Louisiana. Over the 2-year period, outer-shelf mean abundance for round herring was 40.2 larvae/10 m2; inner-shelf mean abundances for scaled sardine, Atlantic thread herring, and Spanish sardine were 14.9, 39.2, and 41.9 larvae/l0 m2, respectively. (PDF file contains 66 pages.)
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  • 166
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    Marine flora and fauna of the eastern United States Mollusca: Cephalopoda (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2748 | 403 | 2011-09-29 18:24:23 | 2748 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The cephalopods found in neritic waters of the northeasternUnited States include myopsid and oegopsid squids, sepiolidsquids, and octopods. A key with diagnostic illustrations is provided to aid in identification of the eleven species common in the neritic waters between Cape Hatteras and Nova Scotia; included also is information on two oceanic species that occur over the continental shelf in this area and that can be confused with similar-looking neritic species. Other sections comprise a glossary of taxonomic characters used for identification of these species, an annotated systematic checklist, and checklists of the 89 other oceanic species and 18 Carolinian and subtropical neritic species that might occur occasionally off the northeasternUnited States. (PDF file contains 30 pages.)
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  • 167
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    Illustrated key to the genera of free-living marine nematodes of the Order Enoplida (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2744 | 403 | 2011-09-29 18:24:00 | 2744 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: A pictorial key to US genera of free-living marine nematodesin the order Enoplida is presented. Specific morphological and anatomical features are iUustrated to facilitate use of the key. The purpose of this work is to provide a single key to the genera of enoplid nematodes to facilitate identification of these organisms by nematologists and marine biologists working with meiofauna. (PDF file contains 32 pages.)
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  • 168
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    Species composition, distribution, and relative abundance of fishes in the coastal habitat off the southeastern United States (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2742 | 403 | 2011-09-29 18:23:45 | 2742 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Ichthyofauna of the coastal «10 m depth) habitat of the South Atlantic Bight were investigated between Cape Fear, North Carolina, and the St. John's River, Florida. Trawl collections from four nonconsecutive seasons in the period July 1980 to December 1982 indicated that the fish community is dominated by the family Sciaenidae, particularly juvenile forms. Spot (Leiostomus xanthurus) and Atlantic croaker (Micropogonias undulatus) were the two most abundant species and dominated catches during all seasons. Atlantic menhaden (Brevoortin tyrannus) was also very abundant, but only seasonally (winter and spring) dominant in the catches. Elasmobranch fIShes, especiallyrajiforms and carcharinids, contributed to much of the biomass of fishes collected. Total fish abundance was greatest in winter and lowest in summer and was influenced by the seasonality of Atlantic menhaden and Atlantic croaker in the catches. Biomass was highest in spring and lowest in summer, and was influenced by biomass of spot. Fish density ranged from 321 individuals and 12.2 kg per hectare to 746 individuals and 25.2 kg per hectare. Most species ranged widely throughout the bight, and showed some evidence of seasonal migration. Species assemblages were dominated by ubiquitous year-round residents of the coastal waters of the bight. Diversity (H') was highest in summer, and appeared influenced by the evenness of distributionof individuals among species. (PDF file contains 56 pages.)
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  • 169
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    Codend selection of winter flounder Pseudopleuronectes americanus (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2746 | 403 | 2011-09-29 18:24:04 | 2746 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Codend selection of winter flounder (Pseudopleuronectes americanus) in 76-127 mm mesh codends was examined from experiments conducted in Long Island Sound during the spring of 1986-87. The results show a slightly larger size at selection than was found in earlier work as indicated by the selection factor, 2.31 in the present study compared with 2.2 and 2.24 from previous studies. Diamond mesh was found to have a length at 50% retention about 1 cm longer (Lso =22.6 cm), and a selection range (3.4 cm) about 1 cm narrower, than square mesh in 102-mm codends. Tow duration varied from 1 to 2 hours using 114-mm diamond mesh. As has been found in previous studies, tow duration and Lso are positively related, with I-hour tows averaging 24.6 cm and 2-hour tows averaging 26.6 cm. The importance of the slope of the selection curve was examined in yield-per-recruit analyses by comparing knife-edge and stepwise recruitment. In all mesh sizes, stepwise recruitment provides a more conservative estimate of yield in the presence of a minimum size limit. Differences in yield estimates between the two models were generally small (1-7%), except in the largestmesh size, 127 mm, where yield is overestimated by 10% whenassuming knife-edge recruitment. (PDF file contains 16 pages.)
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  • 170
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    Catch-per-unit-effort and biological parameters from the Massachusetts coastal lobster (Homarus americanus) resource: Description and trends (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2740 | 403 | 2011-09-29 18:23:21 | 2740 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Acomprehensive description of the Massachusetts coastal lobster (Homarus americanus) resou,rce was obtained by sampling commercial catches coastwide at sea and at dealerships between 1981 and 1986. Acommercial lobster sea-sampling program, wherein six coastal regions were sampled monthly, with an areal and temporal data weighting design, was the primary source of data.An improved index of catch per trap haul/set-over-day wasgenerated by modeling the relationship between catch and immersion time and standardizing effort. This 6-year time-series of mean annual catch rates tracked closely the landings trend for territorial waters.During the study period there was a gradual increase in indices of exploitation and total annual mortality which corresponded to a gradual decline in mean carapace length of marketable lobster. The frequency of culls escalated from 10.0% in 1981 to 20.9% in 1986, while the percentage of lobster found dead in traps was consistently less than 1%. The sex ratio (%F:%M) was significantly different from 50:50 and approximated a 60:40 relationship during the study period.Male and female weight-length relationships were significantly different. Females weighed more than males at smaller sizes and less than males at larger sizes. A north-south clinal trend was evident wherein lobster north of Cape Cod weighed less at length than those from regions south of Cape Cod.Functional size-maturity relationships were developed forfemale lobster by staging cement gland development. Proportions mature at size represent more realistic values than those obtained by analyses of percent of females ovigerous.Regional variation occurred in most of the parameters studied. Three lobster groups, differing in major population descriptors, are defined by our data.(PDF file contains 28 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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    Age determination methods for northwest Atlantic species (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2749 | 403 | 2011-09-29 18:24:29 | 2749 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The successful application of techniques to enhance detection of age marks in biological specimens is of vital importance in fisheries research. This manual documents age determination techniques used by staff at the Woods Hole Laboratory, National Marine Fisheries Service. General information on procedures for preparing anatomical structures is described, together with criteria used to interpret growth patterns and assign ages. Annotatedphotographs of age structures are provided to illustratecriteria. Detailed procedures are given for the following species: Atlantic herring (Clupea harengus), haddock (Melanogrammus aeglefinus), Atlantic cod (Gadus morhua), pollock (Pollachius virens), silver hake (Merluccius bilinearis), red hake (Urophycis chuss), black sea bass (Centropristis striata), weakfish (Cynoscion regalis), Atlantic mackerel (Scomber scombrus), butterfish (Peprilus triacanthus), redfish (Sebastes fasciatus), summerflounder (Paralichthys dentatus), winter flounder (Pseudopleuronectes americanus), witch flounder (Glyptocephalus cynoglossus), American plaice (Hippoglossoides platessoides), yellowtailflounder (Limanda ferruginea), surf clam (Spisula solidissima), and ocean quahog (Arctica islandica). (PDF file contains 142 pages.)
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  • 172
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    Proximate composition and fatty acid and cholesterol content of 22 species of northwest Atlantic finfish (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2747 | 403 | 2011-09-29 18:24:20 | 2747 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The moisture, fat, ash, fatty acid profile, and cholesterol content are reported for cooked and raw fillets from 22 species of finfish found in the Northwest Atlantic. All but nine species had 1%or less fat. Ocean perch and a spring sampling of mackerel and wolffiSh had about 2% fat, followed by yellowfin tuna, whiting, silver hake, butterfish, and a summer -sampling of mackerel and wolffish with a range of 3-7% fat. Herring had a range of 5-12% fat representing a winter sampling on the low end and summer sampling on the high end of the range. Bluefin tuna (a summer sampling) contained the most fat with a high of 23% fat. Omega-3 fatty acids were present in excess of omega-6 fatty acids. The fattier fISh supplied the most omega-3fatty acids per gram of tissue. The mean cholesterol content for all species was 57 ± 16 mg/l00 g raw tissue. Finfish from the Northwest Atlantic would appear to fit into the regime for a healthy heart, being low in fat and cholesterol and rich in omega-3 fatty acids.(PDF file contains 42 pages.)
    Schlagwort(e): Fisheries ; Biology ; Chemistry
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    Synopsis of biological data on the cobia Rachycentron canadum (Pisces: Rachycentridae) (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2739 | 403 | 2011-09-29 18:23:19 | 2739 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Information on the biology and fisheries of cobia, Rachycentron canadum, is compiled and reviewed in the FAD species synopsis style. Topics include taxonomy, morphology, distribution, reproduction, pre-adult and adult stages, food, growth, migration, population characteristics, and various aspects of exploitation.Data and information were obtained from unpublished aswell as published sources.Cobia, the only species in the family Rachycentridae, is amigratory pelagic fish that occurs in tropical and subtropical seas of the world, except in the central and eastern Pacific Ocean. In the western Atlantic Ocean, spawning occurs during the warm months. Eggs and larvae are planktonic. Females grow faster than males: at 1 year, females are 36 cm FL and 0.4 kg; at 4 years, 99 cm and 11 kg; and at 8 years, 137 cm and 31 kg. Comparable data for males are: at 1 year, 31 cm and 0.3 kg; 4 years, 82 cm and 6 kg; and 8 years, 108 cm and 15 kg. Sexual maturity is attained by males at about 52 cm FL in their secondyear and by females at about 70 cm in their third year. Fecundity for females 100-125 cm FL varies from 1.9 to 5.4 million eggs. Cobia favor crustaceans for food, but will feed on other invertebrates and fishes as well. They attain a maximum size of over 60 kg. Cobia are fished both commercially and recreationally. Commercially, they are usually caught incidentally in both hook-and-Iine and net fISheries. In the United States, which ranks behind Pakistan, Mexico, and the Philippines in commercialproduction of cobia, recreational landings exceedcommercial landings by more than ten-fold. (PDF file contains 32 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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    Analysis of fish diversion efficiency and survivorship in the fish return system at San Onofre Nuclear Generating Station (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2745 | 403 | 2011-09-29 18:24:02 | 2745 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This study examined the efficiency of fish diversion and survivorship of diverted fishes in the San Onofre Nuclear Generating Station Fish Return System in 1984 and 1985. Generally, fishes were diverted back to the ocean with high frequency, particularly in 1984. Most species were diverted at rates of 80% or more. Over 90% of the most abundant species, Engraulis mordax, were diverted. The system worked particularly well for strong-swimming forms such as Paralobrax clothratus, Atherinopsis californiensis, and Xenistius californiensis, and did not appreciably divert weaker-swimming species such as Porichthys notatus, Heterostichus rostratus, and Syngnathus sp. Return ratesof some species were not as high in 1985 as in 1984. Individuals of most tested species survived both transit through the fish return system and 96 hours in a holding net. Some species, such as E. mordox, X. californiensis, and Umbrina roncador, experienced tittle or no mortality. Survivorship of Seriphus politus was highly variable and no Anchoa delicatissima survived. (PDF file contains 22 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; San Onofre Nuclear Power Plant ; California ; fish diversion
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  • 175
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    Survey of fishes and water properties of south San Francisco Bay, California, 1973-82 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2743 | 403 | 2011-09-29 18:23:47 | 2743 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The objective of this study was to describe the physical andichthyological changes occurring seasonally and annually in the south San Francisco Bay, based on the results of 2,561 otter trawl and water samples obtained between February 1973 and June 1982. Temperature varied predictably among seasons in a pattern that varied little between years. Salinity also underwent predictable seasonal changes but the pattern varied substantially between years. The most abundant species of fish were northern anchovy (Engraulis mordax), English sole (Parophrys vetulus), and shiner surfperch (Cymatogaster aggregata). The majority of the common fish species were most abundant during wet years and least abundant in dry years. Numeric diversity was highest during the spring and early summer, with no detectable interannual trends. Species composition changed extensivelybetween seasons and between years, particularly yearswith extremely high or extremely low freshwater inflows. Allthe common species exhibited clustered spatial distributions. Such spatial clustering could affect the interpretation of data from estuarine sampling programs. Gobies (Family Gobiidae) were more abundant during flood tides than during ebb tides. English sole were significantly more abundant in shallower areas. Shiner surfperch showed significant differences in abundancebetween sample areas.(PDF file contains 28 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; San Francisco Bay ; California ; fish diversity ; seasonal
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    Greenland turbot Reinhardtius hippoglossoides of the eastern Bering Sea and Aleutian Islands region (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2750 | 403 | 2011-09-29 18:24:34 | 2750 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: Greenland turbot (Reinhardtius hippoglossoides) is a commercially important flounder in both the North Atlantic and North Pacific Oceans. In the latter, its center of abundance is in the eastern Bering Sea and along the Aleutian Islands chain where its population is managed as a single stock. Harvest levels in this region of the North Pacific during the period 1970-81 were comparable with thosein the northwest and northeast Atlantic, with annual average catches of 53,000 metric tons (t). However, the catch in 1984 dropped sharply to 23,100 t, in partbecause of reduced quotas arising from concern over continued poor recruitment and declining catch-per-unit-effort.Recruitment failure was manifested in 1) the sharp decline in the catch rate of young flsh in annual research trawl surveys on the continental shelf of the eastern Bering Sea and 2) an increasing proportion of older and larger fish inthe commercial catch from the continental slope of both the eastern Bering Sea and Aleutian Islands. The cause ofthe decline in recruitment could not be clearly identifled.Greenland turbot of the Bering Sea-Aleutian Islands share certain distributional features with the North Atlantic form. There is an apparent bathymetric change in the size and age of fish, with younger animals occupying continentalshelf depths and the older individuals residing at depths of the continental slope. At shallow depths the young are exposed to temperature fluctuations, whereas older animals along the slope are exposed to relatively stable temperatures.A hypothesis is proposed for describing the temporal and spatial paths by which young animals reach the mature or spawning portion of the population. (PDF file contains 38 pages.)
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    Environmental quality and aquaculture systems: Proceedings of the Thirteenth U.S.-Japan Meeting on Aquaculture, Mie, Japan, October 24-25, 1984 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2752 | 403 | 2011-09-29 18:24:42 | 2752 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The United States and Japanese counterpart panels on aquaculture were formed in 1969 under the United States-Japan Cooperative Program in Natural Resources (UJNR). The panels currently include specialists drawn from the federal departments most concerned with aquaculture. Charged with exploring and developing bilateral cooperation, the panels have focused their efforts on exchanging information related to aquaculture which could be of benefit to both countries.The UJNR was begun during the Third Cabinet-Level Meeting of the Joint United States-Japan Committee on Trade and Economic Affairs in January 1964. In addition to aquaculture, current subjects in the program includedesalination of seawater, toxic microorganisms, air population, energy, forage crops, national park management, mycoplasmosis, wind and seismic effects, protein resources, forestry, and several joint panels and committees in marineresources research, development, and utilization.Accomplishments include: Increased communication and cooperation among tecbnical specialists; exchanges ofinformation, data, and research findings; annual meetings of the panels, a· policy-coordinative body; administrativestaff meetings; exchanges of equipment, materials, and samples; several major technical conferences; and beneficialeffects on international relations. (PDF file contains 56 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Aquaculture ; Biology
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    New and innovative advances in biology/engineering with potential for use in aquaculture: Proceedings of the Fourteenth U.S.-Japan Meeting on Aquaculture, Woods Hole, Massachusetts, October 16-17, 1985 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2751 | 403 | 2011-09-29 18:24:38 | 2751 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The United States and Japanese counterpart panels on aquaculture were formed in 1969 under the United States-Japan Cooperative Program in Natural Resources (UJNR). The panels currently include specialists drawn from the federal departments most concerned with aquaculture. Charged with exploring and developing bilateral cooperation, the panels have focused their efforts on exchanging information related to aquaculture which could be of benefit to both countries.The UJNR was begun during the Third Cabinet-Level Meeting of the Joint United States-Japan Committee on Trade and Economic Affairs in January 1964. In addition to aquaculture, current subjects in the program includedesalination of seawater, toxic microorganisms, air pollution, energy, forage crops, national park management, mycoplasmosis, wind and seismic effects, protein resources, forestry, and several joint panels and committees in marineresources research, development, and utilization.Accomplishments include: Increased communication and cooperation among technical specialists; exchanges ofinformation, data, and research findings; annual meetings of the panels, a policy-coordinative body; administrativestaff meetings; exchanges of equipment, materials, and samples; several major technical conferences; and beneficialeffects on international relations. (PDF file contains 76 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Aquaculture ; Biology
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    Annotated bibliography II of the hard clam Mercenaria mercenaria (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2753 | 403 | 2011-09-29 18:25:03 | 2753 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: In this era of proliferating scientific information it is difficult to keep up with the literature, even in one's own field. Review articles are helpful in summarizing the status of knowledge. In oyster biology, several such published reviews have been of great help to working scientists. The outstanding contributions that come to' mind are those by Baughman (1948), Korringa (1952), Joyce (1972), Breisch and Kennedy (1980), and Kennedy and Breisch(198 I). If done well, such compilations serve as checkpoints, eliminating or vastly reducing the need to consult the literature in detail.On Long Island, New York, where the hard clam Mercenaria mercenaria is the major commercial resource, we have felt the need for some time for a compendium of knowledge on this important mollusk. Several years ago my secretary, students, and I began to gather materials for an annotatedbibliography. We have already published a collection of 2233 titles (McHugh et al. 1982), nearly all accompanied by abstracts, and in this publication we have added another 460.The experience has been rewarding. We have been surprised at the extent of the literature, much of it only remotely related to the shellfish industry itself, but nevertheless throwing light on the biology, physiology, and many other aspects of the scientific knowledge of hard clams.The following bibliography is divided into three parts. Part I comprises the bulk of the bibliography, while Parts 2 and 3 contain additional titles that we decided to include during editing, submission, and approval of themanuscript for publication. All three parts are indexed together, however.We also reexamined those titles in the previous bibliography (McHugh et al. 1982) which did not include abstracts. These are included in Parts 2 and 3 of this bibliography. Most of these contained no specific referenceto Mercenaria mercenaria. A few searches were terminated for various reasons. (PDF file contains 66 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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    Index numbers and productivity measurement in multispecies fisheries: an application to the Pacific Coast Trawl Fleet (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2754 | 403 | 2011-09-29 18:25:06 | 2754 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This study is concerned with the measurement of total factor prodnctivity in the marine fishing industries in general and in the Pacific coast trawl fishery in particular. The study is divided into two parts. Part I contains suitable empirical and introductory theoretical material for the examination of productivity in thePacific coast trawl Deet. It is self-contained, and contains the basic formulae, empirical results, and discussion. Because the economic theory of index numbersand productivity is constantly evolving and is widely scattered throughout the economics literature, Part D draws together the theoretical literature into one place to allow ready access for readers interested in more details.The major methodological focus of the study is upon the type of economic index number that is most appropriate for use by economists with the National Marine Fisheries Service. This study recommends that the following types ofeconomic index numbers be used: chain rather than fIxed base; bilateral rather than multilateral; one of the class of superlative indices, such as the Tornqvist or Fisher Ideal. (PDF file contains 40 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries
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    Atlas and zoogeography of common fishes in the Bering Sea and northeastern Pacific (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2755 | 403 | 2011-09-29 18:25:20 | 2755 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The geographic and depth frequency distribution of 124 common demersal fish species in the northeastern Pacific were plotted from data on me at the Northwest and Alaska Fisheries Center (NWAFC), National Marine Fisheries Service. The data included catch records of fishes and invertebrates from 24,881 samples taken from the Chukchi Sea, throughout the Bering Sea, Aleutian Basin, AleutianArchipelago, and the Gulf of Alaska, and from southeastern Alaska south to southern California. Samples were collected by a number of agencies and institutions over a 30-year period (1953-83), but were primarily from NWAFC demersaltrawls. The distributions of all species with 100 or more occurrences in the data set were plotted by computer.Distributions plotted from these data were then compared with geographic and depth-range limits given in the literature. These data provide new range extensions(geographic, depth, or both) for 114 species. Questionable extensions are noted, the depth ranges determined for 95% of occurrences, and depths of most frequent occurrence are recorded. Ranges of the species were classified zoogeographically, according to life zone, and with regard to the depth zone of greatest occurrence. Because most species examined have broad geographic ranges, they do not provide the best information for testing the validity of proposed zoogeographic province boundaries. Because of the location of greatest sampling effort and methods used in sampling,most fIShes examined were eastern boreal Pacific, sublittoral-bathyal (outer shelf) species. (PDF file contains 158 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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    Fishery Publication Index, 1980-85 and Technical Memorandum Index, 1972-85 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2759 | 403 | 2011-09-29 18:25:52 | 2759 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: The following series of fishery publications produced in calendar years 1980-85 by the Scientific Publications OffIce of the National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), are listed numerically and indexed by author and subject: Circular, Fishery BuUetin, Marine Fisheries Review, Special Scientific Report-Fisheries, and Technical Report NMFS.Also included is an alphanumeric listing of the NOAA Technical Memorandum NMFS series published in calendar years 1972-85 by NMFS regional offices and fisheries centers. Authors and subjects for the Memoradum series are indexed with the other publication series. (PDF file contains 156 pages.)
    Schlagwort(e): Fisheries ; Information Management
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    Stock assessment of the Atlantic menhaden, Brevoortia tyrannus, fishery (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2758 | 403 | 2011-09-29 18:25:30 | 2758 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: A stock assessment of the Atlantic menhaden, Brevoortia tyrannus, fishery was conducted with purse-seine landings data from 1940 to 1984 and port sampling data from 1955 to 1984. These data were analyzed to determine growth rates,maximum sustainable yield (MSY), spawner-recruit relationships, and yield per recruit. Virtual population analysis was used to estimate stock size, year classsize, and fishing mortality rates.Surplus production models produced estimates of MSY from 450 to 490 kmt compared with yields of 416to 436 kmt based roughly on maximum recruitment from a weak spawner-recruit relationship. Recruitment to age-I ranged from 1.2 to 14.8 billion fish for year classes 1955-81. Recent mean recruitment to age-I for the 1975-81 year classes averaged 5.7 billion fish and compared favorably with the mean of 7.7 billion age-I fish recruited during the late 1950's. Mean recruitment from recent years suggests possible coastwide yields of 416 to 481 kmt. Continued dominance of late age-2 spawners among the spawning stock is of concern, since the stock is at greater risk through poor recruitment if recent favorable environmental conditions change.Yield-per-recruit estimates ranged from 46 g to 59 g since 1970. The high dependency of the modern fishery on prespawners has increased concerns about fluctuations in year-to-year availability and catches. To increase yield and enhance the stability of the resource, the number of age classes contributing significantly to the fishery should be increased, creating a butTer against future poorrecruitment years and lessening the year-to-year fluctuations in landings. (PDF file contains 24 pages.)
    Schlagwort(e): Management ; Fisheries
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    History of whaling in and near North Carolina (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2756 | 403 | 2011-09-29 18:25:25 | 2756 | United States National Marine Fisheries Service
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    Publikationsdatum: 2021-06-27
    Beschreibung: This study aims to reconstruct the history of shore whaling in the southeastern United States, emphasizing statistics on the catch of right whales, Eubalaena glacialis, the preferred targets. The earliest record of whaling in North Carolina is of a proposed voyage from New York in 1667. Early settlers on the Outer Banks utilized whale strandings by trying out the blubber of carcasses that came ashore, and some whale oil was exported from the 1660s onward. New England whalemen whaled along the North Carolina coast during the 1720s, and possibly earlier. As some of the whalemen from the northern colonies moved to NortbCarolina, a shore-based whale fishery developed. This activity apparently continued without interruption until the War of Independence in 1776, and continued or was reestablished after the war. The methods and techniques of the North Carolina shore whalers changed slowly: as late as the 1890s they used a drogue at the end of the harpoon line and refrained from staying fast to the harpooned whale, they seldom employed harpoon guns, and then only during the waning years of the fishery.The whaling season extended from late December to May, most successfully between February and May. Whalers believed they were intercepting whales migrating north along the coast. Although some whaling occurred as far north as Cape Hatteras, it centered on the outer coasts of Core, Shackleford, and Bogue banks, particularly near Cape Lookout. The capture of whales other than right whales was a rare event. The number of boat crews probably remainedfairly stable during much of the 19th century, with some increase in effort in the late 1870s and early 1880s when numbers of boat crews reached 12 to 18. Then by the late 1880s and 1890s only about 6 crews were active. North Carolina whaling had become desultory by the early 1900s, and ended completely in 1917.Judging by export and tax records, some ocean-going vessels made good catches off this coast in about 1715-30, including an estimated 13 whales in 1719, 15 in one year during the early 1720s, 5-6 in a three-year period of the mid to late 1720s, 8 by one ship's crew in 1727, 17 by one group of whalers in 1728-29, and 8-9 by two boats working from Ocracoke prior to 1730. It is impossible to knowhow representative these fragmentary records are for the period as a whole. The Carolina coast declined in importance as a cruising ground for pelagic whalersby the 1740s or 1750s. Thereafter, shore whaling probably accounted for most of the (poorly documented) catch.Lifetime catches by individual whalemen on Shackleford Banks suggest that the average annual catch was at least one to two whales during 1830·80, perhaps about four during the late 1870s and early 1880s, and declining to about one by the late 1880s. Data are insufficient to estimate the hunting loss rate in the Outer Banks whale fishery.North Carolina is the only state south of New Jersey known to have had a long and well established shore whaling industry. Some whaling took place in Chesapeake Bay and along the coast of Virginia during the late 17th and early18th centuries, but it is poorly documented. Most of the rigbt whales taken off South Carolina, Georgia, and northern Florida during the 19th century were killed by pelagic whalers. Florida is the only southeastern state with evidence of an aboriginal (pre-contact) whale fishery. Right whale calves may have been among the aboriginal whalers' principal targets. (PDF file contains 34 pages.)
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    Illustrated key to Penaeoid shrimps of commerce in the Americas (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2757 | 403 | 2011-09-29 18:25:28 | 2757 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The commercially important species of penaeoid shrimps comprise 4 families, 12 genera, and 37 species in the Americas, This key is supported by 49 figures including lateral views of whole shrimps in 10 of the 12 genera and detailed figures of male (petasma) and female (thelycum) genital structures of the species. A glossary of terms used in shrimp taxonomy plus a bibliography of references useful in identifying shrimps are included. (PDF file contains 38 pages.)
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  • 186
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    Manual for starch gel electrophoresis: A method for the detection of genetic variation (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2760 | 403 | 2011-09-29 18:25:56 | 2760 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-27
    Beschreibung: The procedure to conduct horizontal starch gel electrophoresis on enzymes is described in detail. Areas covered are (I) collection and storage of specimens, (2)preparation of tissues, (3) preparation of a starch gel, (4) application of enzyme extracts to a gel, (5) setting up a gel for electrophoresis, (6) slicing a gel, and (7)staining a gel. Recipes are also included for 47 enzyme stains and 3 selected gel buffers. (PDF file contains 26 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 187
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    Atlantic menhaden, Brevoortia tyrannus, Purse Seine Fishery, 1972-84, with a brief discussion of age and size composition of the Landings (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2763 | 403 | 2011-09-29 18:26:03 | 2763 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: This report summarizes (I) annual purse seine landings of Atlantic menhaden, Brevoortia tyrannus, for 1972-84, (2) estimated numbers of fish caught by fishing area. (3) estimates of nominal fishing effort and catch-per-unit-effort, (4) mean fish length and weight, and (5) major changes in the fishery. During the 1970s stock size and recruitment increased and the age composition broadened. reversing trends witnessed during the fishery's decline in the 1960s. Landings steadily improved and by 1980 the total coast wide landings exceeded 400,000 metric tons.Nevertheless, the character of the fishery changed considerably. Eleven reduction plants processed fish at seven ports in 1972, but in 1984 only eight plantsoperated at live ports. Beginning in the mid-1960s the center of fishing aclivity shifted from the Middle Atlantic area to the Chesapeake Bay area, which has continued to dominate the fishery in landings and effort through the 1970s and 1980s. During this period the average size and age of fish in the catches declined. (PDF file contains 30 pages.)
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  • 188
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    Stock assessment of the gulf menhaden, Brevoortia patronus, fishery (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2764 | 403 | 2011-09-29 18:26:19 | 2764 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: A stock assessment of the gulf menhaden. Brevoortia patronus, fishery was conducted with data on purse-seine landings from 1946 to 1985 and port sampling data from 1964 to 1985. These data were analyzed to determine growth rates,yield-per-recruit, spawner-recruit relationships, and maximum sustainable yield (MSY). Virtual population analysis was used to estimate stock size, year-classsize, and fishing mortality rates. During the period studied, an average of 27% of age-l fish and 55% of age-2 and age-3 fish were taken by the fishery, and 54% for age-I and 38% for age-2 and -3 fish were lost annually to natural causes.Annual yield-per-recruit estimates ranged from 6.9 to 19.3 g, with recent mean conditions averaging 12.2 g since 1978. Surplus production models produced estimates of MSY from 620 to 700 kilometric tons. Recruits to age-I ranged from 8.3 to 41.8 billion fish for 1964-82. Although there was substantial scatter about the fitted curves, Ricker·type spawner-recruit relationships were found suitable for use in a population simulation model. Estimates of MSY frompopulation simulation model runs ranged from 705 to 825 kilometric tons with F -multiples of the mean rate of fishing ranging from 1.0 to 1.5.Recent harvests in excess of the historical MSY may not be detrimental to the gulf menhaden stock. However, one should not expect long-term harvesting above the historical MSY because of the short life span of gulf menhaden andpossible changes from currently favorable environmental conditions supporting high recruitment.(PDF file contains 24 pages.)
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  • 189
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    Proximate composition, energy, fatty acid, sodium, and cholesterol content of finfish, shellfish, and their products (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2767 | 403 | 2011-09-29 18:26:38 | 2767 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: This document contains data concerning the proximate composition and energy, fatty acid, sodium, and cholesterol content of finfish, shellfish, and their products as listed in 228 articles published between the years of 1976 and 1984. Also included is a systematic index of the species as referenced in this document listed alphabetically by scientific name. (PDF file contains 60 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Chemistry
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  • 190
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    Some aspects of the ecology of the leatherback turtle Dermochelys coriacea at Laguna Jalova, Costa Rica (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2766 | 403 | 2011-09-29 18:26:27 | 2766 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: The ecology and reproductive biology of the leatherback turtle (Dennochelys coriacea) was studied on a high-energy nesting beach near Laguna Jalova, Costa Rica, between 28 March and 8 June 1985. The peak of nesting was between 15April and 21 May. Leatherbacks here measured an average 146.6 cm straightline standard carapace length and laid an average 81.57 eggs. The eggs measured a mean 52.12 mm diameter and weighed an average of 85.01 g. Significant positive relationships were found between the carapace lengths of nesters and their clutch sizes and average diameter and weight of eggs. The total clutch weighed between 4.02 and 13.39 kg, and yolkless eggs accounted for an average 12.4% of this weight. The majority of nesters dug shallow (〈24 cm) body pits and spent an average81 minutes at the nest site. A significant number of c1utcbes were laid below the berm crest. In a hatchery 42.2% of the eggs hatched, while in natural nests 70.2%hatched. The average hatchling carapace length was 59.8 mm and weight was 44.6 g. The longevity of leatherback tracks and nests on the beach was affected by weather. One nester was recaptured about one year later off the coast ofMississippi, U.S.A. Egg poaching was intense on some sections of the Costa Rican coast. Four aerial surveys in four different months provided the basis for comparingdensity of nesting on seven sectors of the Caribbean coast of Costa Rica. The beach at Jalova is heavily used by green turtles (Chelonia mydJJs) after the leatherback nesting season. The role of the Parque Nacional Tortuguero in conserving the leatherback and green turtle is discussed.(PDF file contains 20 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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  • 191
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    Food habits and dietary variability of pelagic nekton off Oregon and Washington, 1979-1984 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2765 | 403 | 2011-09-29 18:26:25 | 2765 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: The food habits of 20 species of pelagic nekton were investigated from collections made with small-mesh purse seines from 1979-84 off Washington and Oregon. Four species (spiny dogfish, Squalus acanthias; soupfin shark, Galeorhinus zyopterus; blue shark, Prionace glauca; and cutthroat trout, Salmo clarki) were mainly piscivorous. Six species (coho salmon, Oncorhynchus kisutch; chinooksalmon, O. tshawytscha; black rockfish, Sebastes melanops; yellowtail rockfish, S. f1avidus; sablefish, Anoplopoma fimbria; and jack mackerel, Trachurus symmetricus)consumed both nektonic and planktonic organisms. The remaining species (market squid, Loligo opalescens; American shad, Alosa sapidissima; Pacific herring, Clupea harengus pallasi; northern anchovy, Engraulis mordax; pinksalmon, O. gorbuscha; surf smelt, Hypomesus pretiosus; Pacific hake, Merluccius productus; Pacific saury, Cololabis saira; Pacific mackerel, Scomber japonicus;and medusafish, Icichthys lockingtom) were primarily planktonic feeders. There were substantial interannual, seasonal, and geographic variations in the diets ofseveral species due primarily to changes in prey availability. Juvenile salmonids were not commonly consumed by this assemblage of fishes (PDF file contains 36 pages.)
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  • 192
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    Proximate and fatty acid composition of 40 southeastern U.S. finfish species (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2768 | 403 | 2011-09-29 18:26:43 | 2768 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: This report describes the proximate compositions (protein, moisture, fat, and ash) and major fatty acid profiles for raw and cooked samples of 40 southeastern finfish species. All samples (fillets) were cooked by a standard procedure in laminated plastic bags to an internal temperature of 70'C (lS8'F). Both summarized compositional data, with means and ranges for each species, and individual sample data including harvest dates and average lengths and weights are presented. When compared with raw samples, cooked samples exhibited an increase in protein contentwith an accompanying decrease in moisture content. Fat content either remained approximately the same or increased due to moisture loss during cooking. Our results are discussed in reference to compositional data previouslypublished by others on some of the same species. Although additional data are needed to adequately describe the seasonal and geographic variations in the chemical compositions of many of these fish species, the results presented here should be useful to nutritionists, seafood marketers, and consumers.(PDF file contains 28 pages.)
    Schlagwort(e): Fisheries ; Biology ; Chemistry
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  • 193
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    Gulf menhaden, Brevoortia patronus, Purse Seine Fishery, 1974-85, with a brief discussion of age and size composition of the landings (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2761 | 403 | 2011-09-29 18:25:59 | 2761 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: Routine biostatistical port sampling data and landings records collected from the gulf menhaden purse seine fishery between 1974 and 1985 are updated. During most of the period, a total of 11 menhaden reduction plants operated in Mississippi and Louisiana, and the number of vessels in the purse seine fleet varied from 71 to 82. Total annual landings ranged from 447,100 metric tons in 1977 to the record landings for the fishery of 982,800 metric tons in 1984. Age-I and -2 gulf menhaden annually comprised almost 96% of the landings. Estimated totalnumbers of menhaden landed varied from 4,510.5 million in 1975 to 11,154.9 million in 1985. Annual mean lengths and weights of sampled fish-at-age showed lillie variation. Nominal or observed fishing effort gradually increased through Ihe 1970s and 1980s, reaching 655,800 vessel-ton-weeks in 1983. (PDF file contains 14 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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  • 194
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    Limited access alternatives for the Pacific groundfish fishery (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2770 | 403 | 2011-09-29 18:26:57 | 2770 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: Despite its wide acceptance in other fisheries, limited access remains a controversial topic among Pacific coast groundfish fishermen and fishery managers. It is controversial because it immediately opens a wide array of public policy issues. How should the public conservefish stocks, and who should benefit from harvesting thosefish? What are the costs and benefits to the public, the taxpayer, the fishing industry, and the coastal communities supporting the groundfish industry? Should the government push the industry to be economically efficient in harvesting; or should it discourage technical efficiency to conserve fish stocks? Should management preserve the economic status quo by protecting existing harvest shares? These are the broad issues occupying the discussions ofpolicy makers and academic writers concerned with resourcemanagement.The goal of this introductory section is to define limited access, to dispel some basic misunderstandings about limited access, to clarify the optional forms oflimited access, and to review the various resource management objectives addressed. This should set the stage for the following more lengthy discussions. By reducing the scopeof needless misunderstandings, it should also help to make future discussions of limited access more productive. (PDF file contains 52 pages.)
    Schlagwort(e): Ecology ; Management ; Fisheries ; Biology
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  • 195
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    Ecology of east Florida sea turtles: Proceedings of the Cape Canaveral, Florida Sea Turtle Workshop Miami, Florida February 26-27, 1985 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2769 | 403 | 2011-09-29 18:26:47 | 2769 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: The Cape Canaveral, Florida, marine ecosystem is unique. There are complex current and temperature regimes that form a faunal transition zone between Atlantic tropical and subtropical waters. This zone is rich faunistically andsupports large commercial fISheries for fish, scallops, and shrimp. Canaveral is also unique because it has large numbers of sea turtles year-round, this turtle aggregation exhibiting patterned seasonal changes in numbers, size frequency, and sex ratio. Additionally, a significant portion of this turtle aggregation hibernates in the Canaveral ship channel, a phenomenon rare in marine turtle populations. The Cape Canaveral area has the largest year-round concentration of sea turtles in the United States. However,the ship channel is periodically dredged by the U.S. Army Corps of Engineers in order to keep Port Canaveral opento U.S. Navy vessels, and preliminary surveys showed that many sea turtles were incidentally killed during dredgingoperations. In order for the Corps of Engineers to fulfill its defense dredging responsibilities, and comply with theEndangered Species Act of 1973, an interagency Sea Turtle Task Force was formed to investigate methods of reducingturtle mortalities. This Task Force promptly implemented a sea turtle research plan to determine seasonal abundance, movement patterns, sex ratios, size frequencies, and other biological parameters necessary to help mitigate dredging conflicts in the channel. The Cape Canaveral Sea Turtle Workshop is a cooperative effort to comprehensively present research results of these important studies.I gratefully acknowledge the support of everyone involved in this Workshop, particularly the anonymous team of referees who painstakingly reviewed the manuscripts. The cover illustration was drawn by Jack C. Javech. (PDF file contains 86 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 196
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    Reproduction, movements, and population dynamics of the southern kingfish, Menticirrhus americanus, in the northwestern Gulf of Mexico (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2773 | 403 | 2011-09-29 18:27:17 | 2773 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: Menlicirrhus americanus in the northwestern Gulf of Mexico mature at 150-220 mm TL and 12-14 months of age, with males maturing when 10-40 mm smaller than females. Spawning occurs within a broad period from February throughNovember with two discrete peaks which coincide with the periodicity of downcoast alongshore currents (towards Mexico) in spring and fall. This species occurs at depths of less than 5 to 27 m, being most abundant at 5 m or shallower. Young-of-the-year recruit primarily at 5-9 m or shallower and gradually expand their bathymetric range. Age determination by length frequency is feasible in M.americanus but not as simple as in species that spawn in one major period of the year. Only one or two spawned groups normally predominated at anyone time and no more than three co-occurred with few possible exceptions. Observed mean sizes were 138 mm TL at 6 months, and 192 and 272 mm at ages I and II, respectively. Typical maximum size was 296-308 mm and typical maximum age is probably 2-3 years. The largest fISh captured were 392 and 455 mm. Observed sex ratio was 1.2 females to 1 male. Weight, girth, and length-length regressions are presented.(PDF file contains 27 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 197
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    Preparation of acetate peels of valves from the ocean quahog, Arctica islandica, for age determinations (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2772 | 403 | 2011-09-29 18:27:13 | 2772 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: Techniques are described for preparing acetate peels of sectioned valves of ocean quahogs, Arctica islandica, for age determinations. The respective sequence of preparation begins by sectioning left valves oriented to include a single hinge tooth, bleaching to remove the heavy periostracum, embedding the valves in an epoxy resin, grinding and polishing the embedments to a high luster, etching the exposed cut valve surfaces, and applying sheet acetate with acetone. Annuli are clearly defined relative to growth increments in the peel preparations for all sizes and ages of ocean quahogs. (PDF file contains12 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology ; Chemistry
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  • 198
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    Status, biology, and ecology of fur seals: Proceedings of an International Symposium and Workshop Cambridge, England, 23-27 April 1984 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2771 | 403 | 2011-09-29 18:27:10 | 2771 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: The 1984 International Symposium and Workshop on the Biologyof Fur Seals originated in informal talks in 1981. However, the scope and focus of the symposium remained unclear until an informal workshop was held in San Diego in June 1983. This meeting synthesised data on the foraging and pup attendance activities of six species of fur seals, and attempted to formulate a coherent framework for the adaptations associated with their maternal strategies (Gentry et al. 1986).During the workshop it was clear that comparative data on many key aspects of fur seal biology and ecology were missing. This absence of data applied not only to less well known species, for some of which considerable unpublished data existed, but also to better known species for which research in some areas had either been neglected or unreported. The value of applying the comparative method to seals, especially comparisons integrating physiology,ecology, and reproductive biology, was amply demonstrated by the results of the 1983 workshop (Gentry and Kooyman 1986). However, we were also aware that many other problems outside the area of maternal strategies could benefit from comparative data, such as recovery of populations from the effects of harvesting. Therefore, to accommodate the range of potential research, we organized this symposium to produce an up-to-date synthesis of relevant information for all species of fur seals.It was also clear that fur seal research could benefit from increased communication and collaboration among its practitioners. To foster the spread of ideas, we held oral presentations on some topics of current research and techniques and organized workshops on specific topics, in addition to providing opportunities for informal talksamong participants. Thanks to generous support from the British Antarctic Survey, the National Marine Fisheries Service of the United States, and the Scientific Committee on Antarctic Research, the International Fur Seal Symposium was held at the British Antarctic Survey, Cambridge, England, 23-27 April 1984. The 36 participants are shown in Figure 1. A list of Symposium participants and authors is presented in Appendix 1 of the Proceedings. (PDF file contains 220 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 199
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    Widow rockfish: Proceedings of a workshop, Tiburon, California, December 11-12, 1980 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2774 | 403 | 2011-09-29 18:27:34 | 2774 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: This workshop was organized because of the increase between 1978 and 1980 in coastwide landings of widow rockfish, from less than 1,000 mt to more than 20,000 mt, and because of scientists' concern with the lack of knowledge both of the fishery and biology of the species. Most scientists active in research on Pacific groundfish, as well as some members of the fishing industry and fishery managers, attended the workshop.These proceedings contain the report of the workshop discussion panel, status reports on California, Oregon, and Washington fisheries through 1980, and a collection of seven papers presented at the workshop. The status reports provide an historical perspective of the development of an important fishery. The papers present a fairly complete survey of biological knowledge of widow rockfish,economic status of the fishery, and fishery-independent methods for estimation of abundance. The papers also contain some information developed after the workshop.Since the workshop, the fishery has matured. Largest landings were made in 1981, when more than 28,000 mt were landed. Maximum sustainable yield (MSY) is estimated to be slightly less than 10,000 mt, and the stock appeared to be at about the MSY level in 1985. The Pacific Fishery Management Council and National Marine Fisheries Service have implemented regulations that have maintained landings since 1983 at approximately the maximum sustainable yield level. Fishery-dependent stock assessments are being made on an annual basis for the Pacific Fishery ManagementCouncil. While these assessments are considered to be the best possible with available data, scientists responsible for the assessment have chosen to delay their publication in the formal scientific literature until more data are obtained. However, the stock assessment reports are available from the Pacific Fishery Management Council.In addition to the papers in this collection, three papers have been published on widow rockfish since 1980. BoehIert, Barss, and Lamberson (1982) estimate fecundity of the species off Oregon; Gunderson (1984) describes the fishery and management actions; and Laroche and Richardson (1981) describe the morphology and distribution of juvenile widow rockfish off Oregon.During the past decade, the fishery for widow rockfish hasdeveloped from a minor fishery to one of the more important on the Pacific Coast. Our knowledge of the biology and dynamics of the species has progressed from minimal to relatively extensive for a groundfish species. It is our intention in preparing this collection of papers to make this knowledge readily available to the scientificcommunity. (PDF file contains 63 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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  • 200
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    Distribution and relative abundance of pelagic nonsalmonid nekton Off Oregon and Washington, 1979-84 (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/2776 | 403 | 2011-09-29 18:27:43 | 2776 | United States National Marine Fisheries Service
    Details
    Publikationsdatum: 2021-06-28
    Beschreibung: Fifteen fine-mesh (32-mm mesh) pelagic purse seine surveys were conducted between 1979 and 1984 off the Oregon and Washington coasts. Environmental conditions varied greatly among the years sampled, and even within years, due to variability in upwelling conditions and productivity and the effects of a strong El Nino from late 1982 to the middle of 1984. In the 843 sets made, a total of 115,891 specimens from 69 taxa was collected. Most individuals collected belonged to nine dominant taxa. Seasonal and interannual variations in the abundance and distribution patterns of these dominant taxa are presented in detail. A recurrent group analysis delineated four major groupings of nekton. (PDF file contains 91 pages.)
    Schlagwort(e): Ecology ; Fisheries ; Biology
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