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  • Fisheries  (306)
  • Cell & Developmental Biology
  • Inorganic Chemistry
  • NOAA/National Marine Fisheries Service  (165)
  • California Department of Fish and Game, Marine Resources Operations  (141)
  • 1
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    An atlas of reproductive development in rockfishes, genus Sebastes (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  Frank.Morado@noaa.gov | http://aquaticcommons.org/id/eprint/14558 | 403 | 2014-02-21 00:23:40 | 14558 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-28
    Description: The genus Sebastes consists of over 100 fish species, all of which are viviparous and long-lived. Previous studies have presented schemes on the reproductive biology of a single targeted species of the genus Sebastes, but all appear to possess a similar reproductive biology asevidenced by this and other studies. This atlas stages major events during spermatogenesis, oogenesis, and embryogenesis, including atresia, in six species of Sebastes (S. alutus, S. elongatus, S. helvomaculatus, S. polyspinis, S. proriger, and S. zacentrus). Our study suggests that the male reproductive cycle of Sebastes is characterized by 11 phases of testicular development, with 10 stages of sperm development and 1 stage of spermatozoa atresia. Ovarian development was divided into 12 phases, with 10 stages of oocyte development, 1 stage of embryonic development, and 1 stage of oocyte atresia. Embryonic development up to parturition was divided into 33 stages following the research of Yamada and Kusakari (1991). Reproductive development of all six species examined followed the developmental classifications listed above which may apply to all species of Sebastes regardless of the number of broods produced annually. Multiple brooders vary in that not all ova are fertilized and progress to embryos; a proportion of ova are arrested at the pre-vitellogenic stage. Reproductive stage examples shown in this atlas use S. elongates for spermatic development, S. proriger for oocyte development, and S. alutus for embryological development, because opportunistic sampling only permitted complete analysis of each respective developmental phase for those species. The results of this study and the proposed reproductive phases complement the recommended scheme submitted by Brown-Peterson et al. (2011), who call for a standardization of terminology for describing reproductive development of fishes.
    Keywords: Biology ; Ecology ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 2
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    A guide to the deep-water sponges of the Aleutian Island Archipelago (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  Bob.Stone@noaa.gov | http://aquaticcommons.org/id/eprint/14560 | 403 | 2014-02-21 00:22:19 | 14560 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-28
    Description: The first dedicated collections of deep-water (〉80 m) sponges from the central Aleutian Islands revealed a rich fauna including 28 novel species and geographical range extensions for 53 others. Based on these collections and the published literature, we now confirm the presence of 125 species (or subspecies)of deep-water sponges in the Aleutian Islands. Clearly the deep-water sponge fauna of the Aleutian Islands is extraordinarily rich and largely understudied. Submersible observations revealed that sponges, rather than deep-water corals, are the dominant feature shaping benthic habitats in the region and that they provide important refuge habitat for many species of fish and invertebrates including juvenile rockfish (Sebastes spp.) and king crabs (Lithodes sp). Examination of video footage collected along 127 km of the seafloor further indicate that there are likely hundreds of species still uncollected from the region, and many unknown to science. Furthermore, sponges are extremely fragile and easily damaged by contact with fishing gear. High rates of fishery bycatch clearly indicate a strong interaction between existing fisheries and sponge habitat. Bycatch in fisheries and fisheries-independent surveys can be a major source of information on the location of the sponge fauna, but current monitoring programs are greatly hampered by the inability of deck personnel to identify bycatch. This guide contains detailed species descriptions for 112 sponges collected in Alaska, principally in the central Aleutian Islands. It addresses bycatch identification challenges by providing fisheries observers and scientists with the information necessary to adequately identify sponge fauna. Using that identification data, areas of high abundance can be mapped and the locations of indicator species of vulnerable marine ecosystems can be determined. The guide is also designed for use by scientists making observations of the fauna in situ with submersibles, including remotely operated vehicles and autonomous underwater vehicles.
    Keywords: Biology ; Ecology ; Fisheries
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  • 3
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    Our living oceans: report on the status of U.S. living marine resources, 6th edition (2021)
    NOAA/National Marine Fisheries Service | Washington, D.C.
    In:  http://aquaticcommons.org/id/eprint/14563 | 403 | 2014-02-19 22:20:21 | 14563 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-28
    Description: The National Marine Fisheries Service (NMFS) is dedicated to the stewardship of living marine resources (LMR’s). This is accomplished through science-based conservation and management, and the promotion of healthy ecosystems. As a steward, NMFS has an obligation to conserve, protect, and manage these resources in a way that ensures their continuation as functioning components of healthy marine ecosystems, affords economic opportunities, and enhances the quality of life for the American public. In addition to its responsibilities within the U.S. Exclusive Economic Zone (EEZ), NMFS plays a supportive and advisory role in the management of LMR’s in the coastal areas under state jurisdiction and provides scientific and policy leadership in the international arena. NMFS also implements international measures for the conservation and management of LMR’s, as appropriate.NMFS receives its stewardship responsibilities under a number of Federal laws. These include the Nation’s primary fisheries law, the Magnuson Fishery Conservation and Management Act. This law was first passed in 1976, later reauthorized as the Magnuson-Stevens Fishery Conservation and Management Act in 1996, and reauthorized again on 12 January 2007 as the Magnuson-Stevens Fishery Conservation and Management Reauthorization Act (MSRA). The MSRA mandates strong action to conserve and manage fishery resources and requires NMFS to end overfishing by 2010 in all U.S. commercial and recreational fisheries, rebuild all overfished stocks, and conserve essential fish habitat.
    Keywords: Ecology ; Fisheries ; Management
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  • 4
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    Age determination manual of the Alaska Fisheries Science Center Age and Growth Program (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  beth.matta@noaa.gov | http://aquaticcommons.org/id/eprint/14559 | 403 | 2014-02-21 00:23:02 | 14559 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-28
    Description: The Age and Growth Program at the Alaska Fisheries Science Center is tasked with providing age data in order to improve the basic understanding of the ecology and fisheries dynamics of Alaskan fish species. The primary focus of the Age and Growth Program is to estimate ages from otoliths and other calcified structures for age-structured modeling of commercially exploited stocks; however, the program has recently expanded its interests to include numerous studies on topics ranging from age estimate validation to the growth and life history of non-target species. Because so many applications rely upon age data and particularly upon assurances as to their accuracy and precision, the Age and Growth Program has developed this practical guide to document the age determination of key groundfish species from Alaskan waters. The main objective of this manual is to describe techniques specific to the age determination of commercially and ecologically important species studied by the Age and Growth Program. The manual also provides general background information on otolith morphology, dissection, and preparation, as well as descriptions of methods used to measure precision andaccuracy of age estimates. This manual is intended not only as a reference for age readers at the AFSC and other laboratories, but also to give insight into the quality of age estimates to scientists who routinely use such data.
    Keywords: Ecology ; Fisheries ; Management
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  • 5
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    Guide to the identification of larval and early juvenile pricklebacks (Perciformes: Zoarcoidei: Stichaeidae) in the northeastern Pacific Ocean and Bering Sea (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  ann.matarese@noaa.gov | http://aquaticcommons.org/id/eprint/14557 | 403 | 2014-03-10 21:09:22 | 14557 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-28
    Description: Stichaeidae, commonly referred to as pricklebacks, are intertidal and subtidal fishes primarily of the North Pacific Ocean. Broad distribution in relatively inaccessible and undersampled habitats has contributed to a general lack of information about this family. In this study, descriptions of early life history stages are presented for 25 species representing 18 genera of stichaeid fishes from the northeastern Pacific Ocean, Bering Sea, and Arctic Ocean Basin. Six of these species also occur in the North Atlantic Ocean. Larval stages of 16 species are described for the first time. Additional information or illustrations intended to augment previous descriptions are provided for nine species. For most taxa, we present adult and larval distributions, descriptions of morphometric, meristic, and pigmentation characters, and species comparisons, and we provide illustrations for preflexion through postflexion or transformation stages. New counts of meristic features are reported for several species.
    Keywords: Biology ; Ecology ; Fisheries
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  • 6
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    Larval development and identification of the genus Triglops (Scorpaeniformes: Cottidae) (2021)
    NOAA/National Marine Fisheries Service | Seattle, WA
    In:  Debbie.Blood@noaa.gov | http://aquaticcommons.org/id/eprint/14562 | 403 | 2014-02-21 00:20:54 | 14562 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-28
    Description: Prior to Pietsch’s (1993) revision of the genus Triglops, identification of their larvae was difficult; six species co-occur in the eastern North Pacific Ocean and Bering Sea and three co-occur in the western North Atlantic Ocean. We examined larvae from collections of the Alaska Fisheries Science Center and Atlantic Reference Centre and used updated meristic data, pigment patterns, and morphological characters to identify larvae of Triglops forficatus, T. macellus, T. murrayi, T. nybelini, T. pingeli, and T. scepticus; larvae of T. metopias, T. dorothy, T. jordani, and T. xenostethus have yet to be identified and are thus not included in this paper. Larval Triglops are characterized by a high myomere count (42–54), heavy dorsolateral pigmentation on the gut, and a pointed snout. Among species co-occurring in the eastern North Pacific Ocean, T. forficatus, T. macellus, and T. pingeli larvae are distinguished from each other by meristic counts and presence or absence of a series of postanal ventral melanophores. Triglops scepticus is differentiated from other eastern North Pacific Ocean larvae by having 0–3 postanal ventral melanophores, a large eye, and a large body depth. Among species co-occurring in the western North Atlantic Ocean, T. murrayi and T. pingeli larvae are distinguished from each other by meristic counts (vertebrae, dorsal-fin rays, and anal-fin rays once formed), number of postanal ventral melanophores, and first appearance and size of head spines. Triglops nybelini is distinguished from T. murrayi and T. pingeli by a large eye, pigment on the lateral line and dorsal midline in flexion larvae, and a greater number of dorsal-fin rays and pectoral-fin rays once formed.
    Keywords: Biology ; Ecology ; Fisheries
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  • 7
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    Marine Fisheries Stock Assessment Improvement Plan: report of the National Marine Fisheries Service National Task Force for Improving Fish Stock Assessments (2021)
    NOAA/National Marine Fisheries Service | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14566 | 403 | 2014-02-20 18:26:54 | 14566 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-28
    Description: This report argues for greatly increased resources in terms of data collection facilities and staff to collect, process, and analyze the data, and to communicate the results, in order for NMFS to fulfill its mandate to conserve and manage marine resources. In fact, the authors of this report had great difficulty defining the "ideal" situation to which fisheries stock assessments and management should aspire. One of the primary objectives of fisheries management is to develop sustainable harvest policies that minimize the risks of overfishing both target species and associated species. This can be achieved in a wide spectrum of ways, ranging between the following two extremes. The first is to implement only simple management measures with correspondingly simple assessment demands, which will usually mean setting fishing mortality targets at relatively low levels in order to reduce the risk of unknowingly overfishing or driving ecosystems towards undesirable system states. The second is to expand existingdata collection and analysis programs to provide an adequateknowledge base that can support higher fishing mortality targets while still ensuring low risk to target and associated species and ecosystems. However, defining "adequate" is difficult, especially when scientists have not even identified all marine species, and information on catches, abundances, and life histories of many target species, and most associated species, is sparse. Increasing calls from the public, stakeholders, and the scientific community to implement ecosystem-based stock assessment and management make it even more difficult to define "adequate," especially when "ecosystem-based management" is itself not well-defined. In attempting to describe the data collection and assessment needs for the latter, the authors took a pragmatic approach, rather than trying to estimate the resources required to develop a knowledge base about the fine-scale detailed distributions, abundances, and associations of all marine species. Thus, the specified resource requirements will not meet the expectations of some stakeholders. In addition, the Stock Assessment Improvement Plan is designed to be complementary to other related plans, and therefore does not duplicate the resource requirements detailed in those plans, except as otherwise noted.
    Keywords: Biology ; Ecology ; Fisheries ; Management
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  • 8
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    2007 biennial report to Congress on the progress and findings of studies of striped bass populations (2021)
    NOAA/National Marine Fisheries Service
    In:  http://aquaticcommons.org/id/eprint/14826 | 403 | 2014-02-28 21:18:46 | 14826 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-25
    Description: The 1997 reauthorization of the Atlantic Striped Bass Conservation Act (Striped Bass Act) mandated biennial reports to Congress and to the Atlantic States Marine Fisheries Commission (Commission) from the secretaries of the Department of Commerce and the Department of the Interior concerning the progress and findings of studies of Atlantic striped bass (Morone saxatilis). The Striped Bass Act specifically requests updates on studies that include, but are not limited to: annual stock assessments, investigations on the causes of fluctuations in Atlantic striped bass populations, the effects of environmental factors on the recruitment, spawning potential, mortality, and abundance of Atlantic striped bass populations, and investigations of interactions between Atlantic striped bass and other fish. This document is the fifth such report to Congress and includes data available through 2007 with emphasis on the 2005 and 2006 calendar years.
    Description: Submitted by the National Marine Fisheries Service and U.S. Fish and Wildlife Service to the Committee on Resources of the United States House of Representatives and the Committee on Commerce, Science, and Transportation of the United States Senate.
    Keywords: Fisheries ; Management
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  • 9
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    Northeast Fisheries Observer Program manual, 2013 (2021)
    NOAA/National Marine Fisheries Service | Woods Hole, MA
    In:  http://aquaticcommons.org/id/eprint/14884 | 403 | 2014-03-07 19:48:28 | 14884 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-27
    Description: The National Marine Fisheries Service (NMFS) Northeast Fisheries Science Center (NEFSC) Fisheries Sampling Branch (FSB) collects, maintains, and distributes data for scientific and management purposes in the northwest Atlantic Ocean. FSB manages three separate but related observer programs: the Northeast Fisheries Observer Program (NEFOP), the Industry Funded Scallop (IFS) Observer Program, and the At Sea Monitoring (ASM) Program. For the purposes of this manual, “observers” refers to any observer/monitor working for the FSB.In 2011, FSB trained and deployed over 200 observers, provided coverage on a variety of fisheries, and completed over 15,000 sea days. Observed trips are required under many of the region's fishery management plans, and for some fisheries by other federal laws and authorities such as Amendment 16 and Framework 44, Magnuson-Stevens Fishery Conservation and Management Act, Marine Mammal Protection Act, the Endangered Species Act, the and the Sustainable Fisheries Act.The purpose of this guide is to provide FSB observers, as well as end users of NEFSC Observer Program data, with a detailed description of each data field collected. In addition to this manual, the NEFSC Observer Program Biological Sampling and Catch Estimation Manual provides summaries and tables intended to enable observers to quickly determine the correct sampling protocols and methods while at sea.This manual represents a revision of the data forms, collection procedures, and protocols described in the 1996 NEFSC Observer Program Manual. For documentation of other changes see Documentation of changes made to the NEFSC Fisheries Observer Program Manual, 2013.
    Keywords: Fisheries ; Management ; Policies
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  • 10
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    Report for the month of October 1960 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/895 | 8 | 2014-10-02 18:22:42 | 895 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Keywords: Management ; Fisheries ; Biology
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    Type: monograph
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  • 11
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    Report for the month of February 1961 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/899 | 8 | 2014-10-09 19:24:40 | 899 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1-3 and 5-20; p. 4 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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  • 12
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    Report for the month of May 1961 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/902 | 8 | 2014-10-02 18:56:23 | 902 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Keywords: Management ; Fisheries ; Biology
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    Type: monograph
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  • 13
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    Report for the month of August 1961 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/905 | 8 | 2014-10-02 19:04:27 | 905 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1-3 and 5-24; p. 4 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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  • 14
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    Report for the month of December 1961 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/912 | 8 | 2014-10-09 19:25:42 | 912 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1-3 and 5-21; p. 4 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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    Type: monograph
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  • 15
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    Report for the month of September 1961 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/906 | 8 | 2014-10-02 19:05:59 | 906 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Keywords: Management ; Fisheries ; Biology
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  • 16
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    Report for the month of February 1962 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/914 | 8 | 2014-10-02 19:23:21 | 914 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1-3 and 5-18; p. 4 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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  • 17
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    Report for the month of December 1963 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/998 | 8 | 2014-10-02 19:38:31 | 998 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1 and 3-12; p. 2 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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  • 18
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    Report for the month of November 1963 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/997 | 8 | 2014-09-29 20:10:03 | 997 | California Department of Fish and Game
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    Publication Date: 2021-07-04
    Description: PDF includes pp. 1 and 3-16; p. 2 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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    Report for the month of April 1964 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1003 | 8 | 2014-10-06 23:08:55 | 1003 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Description: Report includes appendices re: Biostatistics Section and Bottomfish Program.
    Keywords: Management ; Fisheries ; Biology
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  • 20
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    Report for the month of August 1964 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1007 | 8 | 2014-10-06 23:25:51 | 1007 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
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  • 21
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    Report for the month of February 1965 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1018 | 8 | 2014-10-06 23:38:41 | 1018 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Description: Report includes appendices re: Tuna Program and Sportfish Program.
    Keywords: Management ; Fisheries ; Biology
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    Report for the month of January 1966 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1027 | 8 | 2014-10-07 19:54:43 | 1027 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Description: PDF includes pp. 1-13 and 15-27; p. 14 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
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  • 23
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    Report for the month of April 1967 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1051 | 8 | 2014-10-08 21:56:17 | 1051 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
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  • 24
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    Report for the month of June 1967 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1053 | 8 | 2014-10-08 21:59:24 | 1053 | California Department of Fish and Game
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    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
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  • 25
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    Report for the month of March 1967 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1050 | 8 | 2014-10-08 21:54:46 | 1050 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-05
    Description: Report includes appendices re: MRO Reference Series and CalCOFI Committee.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Report for the month of December 1966 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1047 | 8 | 2014-10-07 20:13:51 | 1047 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 27
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    Report for the month of August 1968 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1104 | 8 | 2014-10-10 22:39:59 | 1104 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-05
    Description: PDF includes pp. 1-5 and 7-27; p. 6 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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  • 28
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    Report for the month of May 1968 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1100 | 8 | 2014-10-10 22:34:58 | 1100 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-05
    Description: PDF includes pp. 1-5 and 7-24; p. 6 (blank) omitted.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Format: 24
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  • 29
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    Report for the month of October 1968 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1106 | 8 | 2014-10-10 22:45:35 | 1106 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-05
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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  • 30
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    Report for the month of January 1969 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1338 | 8 | 2014-10-14 21:55:04 | 1338 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendices re: Marine Resources Operations annual report for 1968; and MRO Reference Series.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 31
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    Report for the month of June 1969 (2021)
    California Department of Fish and Game, Marine Resources Operations | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1343 | 8 | 2014-10-10 23:12:17 | 1343 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 32
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    Cruise Report 65-S-1 - Shrimp (2021)
    California Department of Fish and Game, Marine Resources Operations | Menlo Park, CA
    In:  http://aquaticcommons.org/id/eprint/2354 | 8 | 2011-09-29 19:12:11 | 2354 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-13
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; cruise report ; Oregon ; Eureka ; California ; N.B. Scofield ; Ocean shrimp ; Pandalus jordani ; mortality ; Pacific hake ; Merluccius productus ; arrowtooth halibut ; Atheresthes stomias
    Repository Name: AquaDocs
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  • 33
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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
    Details
    Publication Date: 2021-07-13
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 34
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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
    Details
    Publication Date: 2021-07-13
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 35
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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
    Publication Date: 2021-07-13
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 36
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    Cruise Report 62S5,62S6, 62M1, 62M2 - Abalone (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2512 | 8 | 2011-09-29 18:59:51 | 2512 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 6 pages.)
    Keywords: Fisheries ; Biology ; Avila ; San Simeon ; Channel Islands ; cruise report ; N. B. Scofield ; M. V. Mollusk ; abalone ; growth ; transplanting ; maturity
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  • 37
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    Cruise Report 63-S-1 - Exploratory (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2514 | 8 | 2011-09-29 18:59:54 | 2514 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; southern California ; northern Channel Islands ; cruise report ; N. B. Scofield ; Cortez Bank ; trawling
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  • 38
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    Cruise Report 62-S-8 - Crab (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2513 | 8 | 2011-09-29 18:59:52 | 2513 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Cape Ferrelo ; OR ; Klamath River ; CA ; cruise report ; N. B. Scofield ; crabs ; sex ratio
    Repository Name: AquaDocs
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  • 39
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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
    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 40
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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
    Publication Date: 2021-07-13
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 41
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    Cruise Report 63-S-2 - Exploratory (2021)
    California Department of Fish and Game, Marine Resources Operations | Termiinal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2515 | 8 | 2011-09-29 18:59:56 | 2515 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; Santa Barbara Channel ; San Luis Obispo Bay ; cruise report ; N. B. Scofield ; trawling
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  • 42
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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
    Details
    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 43
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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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    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 44
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    Cruise Report 63-S-6 - Shrimp (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2527 | 8 | 2011-09-29 18:49:57 | 2527 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 7 pages.)
    Keywords: Fisheries ; Biology ; central California ; northern California ; Bodega Bay ; Oregon border ; pink shrimp ; Pandalus jordani ; mortality ; population
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  • 45
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    Cruise Report 63-S-8 - Crab (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2529 | 8 | 2011-09-29 18:50:11 | 2529 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Pt. Arena ; Cape Ferrelo ; Oregon ; crab ; Cancer magister ; life history
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  • 46
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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
    Details
    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 47
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    Cruise Report 63-S-5, 63-M-1 - Abalone (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2526 | 8 | 2011-09-29 18:49:54 | 2526 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; San Simeon ; Morro Bay ; Channel Islands ; abalone ; sea otters ; tag
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  • 48
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    Cruise Report 63-S-7 - Crab (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2528 | 8 | 2011-09-29 18:49:59 | 2528 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; San Francisco ; Russian River ; Point Montara
    Repository Name: AquaDocs
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  • 49
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    Pre-Cruise Plan: Cruise 64-S-3 - Albacore Survey (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2557 | 8 | 2011-09-29 18:52:57 | 2557 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; North Pacific Ocean ; central Baja California ; albacore
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  • 50
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    Cruise Report 64-S-6: N. B. Scofield, September 29 to October 25, 1964 (2021)
    California Department of Fish and Game, Marine Resources Operations | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/2561 | 8 | 2011-09-29 18:53:27 | 2561 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-25
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; scofield ; cruise ; San Francisco ; CA ; Russian River ; Point Mantara ; crab
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  • 51
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries
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  • 52
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries
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  • 53
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries
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  • 54
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Conservation ; Management ; Fisheries
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  • 55
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries
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  • 56
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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
    Details
    Publication Date: 2021-06-27
    Description: (PDF file contains 248 pages.)
    Keywords: Ecology ; Fisheries
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  • 57
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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
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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Conservation ; Management ; Fisheries
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  • 58
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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
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 59
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 60
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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
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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 61
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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
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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Ecology ; Fisheries
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  • 62
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries
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  • 63
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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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    Publication Date: 2021-06-27
    Description: (PDF file contains 112 pages.)
    Keywords: Ecology ; Fisheries
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  • 64
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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
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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Conservation ; Management ; Fisheries ; pantropical spotted ; Stenella attenuata ; spinner ; Stenella longirostTis ; striped ; Stenella coeruleoalba ; and common ; Delphinus delphis ; dolphins
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  • 65
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Conservation ; Fisheries ; Biology
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  • 66
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries ; Aquaculture
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  • 67
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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
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries
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  • 68
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 69
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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
    Details
    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Fisheries
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  • 70
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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
    Details
    Publication Date: 2021-06-25
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
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  • 71
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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
    Publication Date: 2021-06-26
    Description: 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.)
    Keywords: Management ; Fisheries ; Aquaculture
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  • 72
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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
    Details
    Publication Date: 2021-06-26
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 73
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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
    Details
    Publication Date: 2021-06-26
    Description: 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.)
    Keywords: Ecology ; Fisheries
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  • 74
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries
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  • 75
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
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  • 76
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 77
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 78
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 79
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries ; Brevoortia tyrannus ; Brevoortia patronus ; Atlantic menhaden ; Gulf menhaden
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  • 80
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries
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  • 81
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
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  • 82
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 83
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 84
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
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  • 85
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Management ; Fisheries ; Biology
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  • 86
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries ; Biology
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  • 87
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
    Repository Name: AquaDocs
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  • 88
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 89
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 90
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Fisheries ; Biology ; Chemistry
    Repository Name: AquaDocs
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  • 91
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries ; Biology
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  • 92
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology ; San Onofre Nuclear Power Plant ; California ; fish diversion
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  • 93
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries ; San Francisco Bay ; California ; fish diversity ; seasonal
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  • 94
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 95
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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
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Aquaculture ; Biology
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  • 96
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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
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Aquaculture ; Biology
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  • 97
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Fisheries ; Biology
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  • 98
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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
    Details
    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries
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  • 99
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Ecology ; Management ; Fisheries ; Biology
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  • 100
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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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    Publication Date: 2021-06-27
    Description: 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.)
    Keywords: Fisheries ; Information Management
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