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  • Fisheries  (511)
  • Conservation
  • Cell & Developmental Biology
  • Inorganic Chemistry
  • California Department of Fish and Game, Marine Resources Region  (346)
  • NOAA/National Marine Fisheries Service  (167)
  • 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
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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
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    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
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    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
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    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 and estuarine ecosystem and habitat classification (2021)
    NOAA/National Marine Fisheries Service | Silver Spring, MD
    In:  http://aquaticcommons.org/id/eprint/14565 | 403 | 2014-02-19 22:33:38 | 14565 | United States National Marine Fisheries Service
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    Publication Date: 2021-06-28
    Description: The Ecological Society of America and NOAA's Offices of Habitat Conservation and Protected Resources sponsored a workshop to develop a national marine and estuarine ecosystem classification system. Among the 22 people involved were scientists who had developed various regional classification systems and managers from NOAA and other federal agencies who might ultimately use this system for conservation and management. The objectives were to: (1) review existing global and regional classification systems; (2) develop the framework of a national classification system; and (3) propose a plan to expand the framework into a comprehensive classification system. Although there has been progress in the development of marine classifications in recent years, these have been either regionally focused (e.g., Pacific islands) or restricted to specific habitats (e.g., wetlands; deep seafloor). Participants in the workshop looked for commonalties across existing classification systems and tried to link these using broad scale factors important to ecosystem structure and function.
    Keywords: Conservation ; Ecology ; Policies
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  • 8
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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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  • 9
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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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  • 10
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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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  • 11
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    Results of Jack Mackerel tagging study, 1971-75 (2021)
    California Department of Fish and Game, Marine Resources Region | Menlo Park, CA
    In:  http://aquaticcommons.org/id/eprint/234 | 8 | 2011-09-29 22:22:22 | 234 | California Department of Fish and Game
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    Publication Date: 2021-06-27
    Description: Methods and materials used to tag and recapture jack mackerel, Trachurus symmetricus, off the coast of southern Ca1ifornia and Baja California, Mexico, are described. Tagging, recapture, and movement data resulting from this program are reported. Analysis of these data indicates substantial movement of jack mackerel within the range of the California fishery and suggests a seasonal inshore-offshore movement pattern. (13pp.)
    Keywords: Management ; Fisheries ; Biology ; Jack mackerel ; Trachurus symmetricus ; California
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  • 12
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    Pelagic shark/swordfish drift gill net fishery: management information document (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/242 | 8 | 2020-08-24 03:42:30 | 242 | California Department of Fish and Game
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    Publication Date: 2021-06-27
    Description: In 1977 a new fishery began to develop off the coast ofsouthern California. Long gill nets, drifted near the surface in the deep offshore waters, were being used successfully in landing pelagic sharks, primarily threshers. Recent increases in the retail demand for fish had led wholesale buyers to look for new sources of fish protein. Shark meat looked promising to many buyers. Aided by the public's rekindled fascination for sharks, the timing seemed favorable for introducing sharks as food. Word spread that wholesalers were willing to pay a good price for sharks. This created what appeared to many commercial fishermen to be the beginning of a bonanza.The new shark fishery grew rapidly. The number of vesselsengaged in offshore drift gill net operations grew from about 15 in 1977 to approximately 230 by 1984.Fishery biologists have expressed concern over the rapidexpansion of the commercial shark fleet. Historically, sharkfisheries have tended to decline after their initial success, due principally to slow growth and reproductive rates which seem to characterize sharks as a group. Perhaps the new thresher shark fishery might also be subject to a similar decline.Biologists were not the only ones who looked on the newindustry with concern. Among sport fishermen and conservation groups, rumors of marlin, whales, and seals taken by the hundreds became commonplace.Concern spread among the traditional swordfish harpoonfleet that landings by drift gill nets might glut the swordfish markets, driving prices down to the point that harpooners could no longer compete. Some harpooners voiced fears that drift gill nets might even overfish the swordfish stocks, causing serious declines in the availability of fish.Some conservation groups sought to ban the use of all gillnets, feeling that gill nets are inherently indiscriminant in what they catch and that the benefits derived from their use is always over-shadowed by the waste of marine life resulting from their use.In September of 1980, the Legislature enacted Assembly Bill2564 (Kapiloff), which directed the Department of Fish and Game to conduct a study of the drift gill net shark fishery. The purpose of the study was to determine what impact the use of drift gill nets might have on existing fisheries or upon other members of the local marine community such as whales, dolphins, and seals. The final report of that study "Pelagic Shark/Swordfish Drift Gill Net Fishery Management Information Document" was sent to the California Legislature in January 1983.In September 1982, the Legislature enacted Senate Bill 1573(Beverly), directing the Department of Fish and Game to continue monitoring the drift gill net fishery. It also directed, that a further study be conducted on the status of the thresher shark and swordfish resources off California and on the effects of the fishery on other resources. A report on this study would be prepared and delivered to the Legislature on or before January 1, 1985. The study was conducted. This is the report on that work. (77pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 13
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    Status of the spawning biomass of the Pacific sardine, 1981-82 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/288 | 8 | 2010-12-14 15:34:09 | 288 | California Department of Fish and Game
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    Publication Date: 2021-06-28
    Description: State law requires that the population of Pacificsardines, Sardinops sagax caeruleus, must reach aminimum spawning biomass of 20,000 short tons beforeinitiation of a fishery. Data from ichthyoplanktonsurveys, the anchovy live bait fishery, sea surveycruises, the mackerel purse seine fishery, and a brownpelican food study are discussed concerning evidenceof an increase in population size. The spawningbiomass of the northern stock of sardines appears tobe remaining well below 20,000 tons. (9pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific sardines ; Sardinops sagax caeruleus
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  • 14
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    Status of the spawning biomass of the Pacific sardine, 1982-83 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/286 | 8 | 2010-12-14 15:34:03 | 286 | California Department of Fish and Game
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    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a fishery forPacific sardines, Sardinops sagax caeruleus, when thespawning biomass of sardines reaches 20,000 short tons.Data from ichthyoplankton surveys, sea survey cruises,the mackerel fishery sampling program, and the live baitmonitoring program are discussed with regard to an increasein population size. It appears that the spawningbiomass of the northern stock of Pacific sardines remainsbelow 20,000 tons. (7pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific sardines ; Sardinops sagax caeruleus
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  • 15
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    Biomass estimates of Pacific herring, Clupea harengus pallasi, in California from the 1980-81 spawning ground surveys (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/309 | 8 | 2011-09-29 22:15:35 | 309 | California Department of Fish and Game
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    Publication Date: 2021-06-28
    Description: The spawning biomass of Pacific herring in San FranciscoBay and Tomales Bay was estimated to be 65,441 tons and 5,583tons, respectively during the 1980-81 season. This is thehighest estimate to date for San Francisco and continuesa rising trend in abundance. The Tomales Bay population hasfluctuated around an annual mean of 6,000 tons since 1973. (24pp.)
    Keywords: Management ; Fisheries ; Pacific herring ; Clupea harengus pallasi ; Tomales Bay ; San Francisco Bay
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  • 16
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    Southern California marine sport fishing from privately owned boats: catch and effort for January-March 1982 (2021)
    California Department of Fish and Game, Marine Resources Region | Santa Barbara, CA
    In:  http://aquaticcommons.org/id/eprint/308 | 8 | 2010-12-14 15:34:49 | 308 | California Department of Fish and Game
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    Publication Date: 2021-06-28
    Description: The catch landed and effort expended by private-boat sportfishermen were studied in southern California betweenJanuary and March 1982, to determine the impact ofone segment of the sport fishery on local marine resources.Fishermen returning from fishing trips were interviewed atlaunch ramps, hoists, and boat-rental facilities. This report contains quantitative data and statistical estimates of total effort, total catch, catch of preferred species, and length frequencies for those species whose catches are regulated by minimum size limits.An estimated 155,000 organisms were landed by 52,000 anglersand 2,400 divers. The two major components of the catch werewhite croaker, Genyonemus lineatus, 44,000 landed and Pacific mackerel, Scomber japonicus, 23,000 landed. Together these two species made up over a third of the estimated southern California sport catch.Angler compliance with size limit regulations was generallyfavorable. Ninety-one percent of all basses, Paralabrax spp., examined were of legal size, as were 73% of the California halibut, Paralichthys californicus. A 24-inch (fork length) size limit was imposed upon Pacific bonito, Sarda chiliensis, as of March 1, 1982; none of the 399 bonito measured in March were of legal size. (31pp.)
    Keywords: Management ; Fisheries ; white croaker ; Genyonemus lineatus ; Pacific mackerel ; Scomber japonicus ; bass ; Paralabrax spp. ; California halibut ; Paralichthys californicus ; Pacific bonito ; Sarda chiliensis
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  • 17
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    Pacific herring, Clupea harengus pallasii studies in San Francisco Bay, December 1981 to March 1982 (2021)
    California Department of Fish and Game, Marine Resources Region | Menlo Park, CA
    In:  http://aquaticcommons.org/id/eprint/315 | 8 | 2011-09-29 22:14:05 | 315 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Hydroacoustic monitoring and sampling of San Francisco Bayherring stocks were conducted from December 1981 to March 1982. Major schools usually were located in central San Francisco Bay between 30 and 90 ft deep prior to spawning. The largest school observed had an estimated volume of 1.5 billion ft3. There was some consistency between the maximum calculated volume of a school prior to spawning and the subsequent spawning biomass estimate, based on egg counts, by Marine Resources Region personnel.Herring samples were obtained with variable mesh gill nets, a midwater trawl and from commercial purse seine and lampara vessels. Eight discrete spawns were sampled for size and age composition, although data from December and early January samples were biased due to selectivity of the gill net mesh array. In general, a trend was observed of decreasing mean size and age as the season progressed.Ages of herring ranged from 2 to 9 years. From 87 to 94% of the fish sampled with a midwater trawl, 1.5- to 2.5-in mesh array gill net, and from commercial roundhaul samples consisted of 2-, 3-, and 4-year-olds.Calculation of desired sample size for future work indicatesthat 17 fish per 10-mm size interval need to be aged to determine age composition of each spawning population. (51pp.)
    Keywords: Management ; Fisheries ; Pacific herring ; Clupea harengus pallasii
    Repository Name: AquaDocs
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  • 18
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    Status of the spawning biomass of the Pacific sardine, 1983-84 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/321 | 8 | 2011-09-29 22:14:42 | 321 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a fishery for Pacific sardines, Sardinops sagax caeruleus, when the spawning biomass of sardines reaches 20,000 short tons. Data from ichthyoplankton surveys, sea survey cruises, the mackerel fishery sampling program, and the live-bait fishery monitoring program are discussed with regard to an increase in population size. It appears that the spawning biomass of the northern stock of Pacific sardines remains below 20,000 tons. Legislation passed in 1983 which affects the incidental take and commercial use of sardines is also discussed. (9pp.)
    Keywords: Management ; Fisheries ; Pacific sardine ; Sardinops sagax caeruleus
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  • 19
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    Status of the spawning biomass of the Pacific sardine, 1984-85 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/325 | 8 | 2011-09-29 22:15:06 | 325 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: State law provides for the initiation of a 1000-ton fishery for Pacific sardines, Sardinops sagax, when the spawning biomass of sardines reaches 20 000 short tons.Data from ichthyoplankton surveys, an aerial spotter index, sea survey cruises, the mackerel fishery, and the live bait fishery are discussed as indicators of the relative abundance of sardines compared to previous years. It appears the spawning biomass of the northern subpopulation of Pacific sardine remains below 20 000 tons. A proposedsurvey plan is described for determining the relative magnitude of the sardine spawning biomass on an annual basis. Legislation is discussed which was passed in 1984 and pertains to the sardine resource. (23pp.)
    Keywords: Management ; Fisheries ; Pacific sardines ; Sardinops sagax
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  • 20
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    Biological characteristics of the catch from 1984-85 Pacific herring, Clupea harengus pallasi, roe fishery in California (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/327 | 8 | 2011-09-29 22:15:10 | 327 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: In Tomales Bay, 5-, 6-, and 7-yr-old herring, Clupea harengus pallasi, composed 75% by number of the 1984-85 season's catch. In San Francisco Bay, 2-, 3-, and 4-yr-old herring composed 82% by number of the roundhaul catch, and 5-, 6-, and 7-yr-old herring composed 68% by number ofthe gill net catch.The percent of 4-yr-old herring increased to a record high level in the San Francisco Bay gill net catch.Recruitment of 2-yr-old herring into the San Francisco Bay roundhaul fishery was excellent, with 2-yr-old herring composing 41% of the catch.The growth rate of herring improved in both Tomales and San Francisco Bays, after the period of poor growth during the recent El Nino, when the weight of herring averaged 20% below normal.(23pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasi
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  • 21
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    Biological characteristics of the catch from the 1986-87 Pacific herring, Clupea harengus pallasi, roe fishery in California (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/334 | 8 | 2011-09-29 22:13:42 | 334 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: In Tomales Bay, 4-, 5-, and 6-yr-old herring, Clupea harengus pallasi, composed 85% by number of the 1986-87 season's catch. In San Francisco Bay, 2-, 3-, and 4-yr-old herring composed 88% of the roundhaul catch, and 4-, 5-, and 6-yr-old herring composed 86% by number of the gill net catch.The age composition of both the Tomales Bay and San Francisco Bay gill net catch has shifted to primarily 4-, 5-, and 6-yr-old herring.Recruitment of 2-yr-old herring into the San Francisco Bay roundhaul fishery was good, with the 1985 yr class composing 37% of the catch.The mean length of herring in the San Francisco Bay roundhaul catch decreased to 174 mm BL, and the mean length of the gill net catch decreased to 194 mm BL. The mean length of the Tomales Bay catch also decreased to197 mm BL.Average weight at age of Tomales Bay herring is below average for the fourth consecutive year. In San Francisco Bay the average weight at age is above average, even though length at age declined slightly. (20pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasi
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  • 22
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    Pacific herring, Clupea harengus pallasi, studies in San Francisco Bay, April 1986 to March 1987 (2021)
    California Department of Fish and Game, Marine Resources Region | Menlo Park, CA
    In:  http://aquaticcommons.org/id/eprint/335 | 8 | 2011-09-29 22:13:44 | 335 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Herring schools were surveyed hydroacoustically and sampled in San Francisco Bay from late October 1986 to March 1987. Eight large schools (greater than 1000 tons each) spawned from December to February and seven smaller schools were detected throughout the spawning season. Total acoustic biomass estimate using a "visual integration" technique was 40,930 tons, and it was determined from spawn escapement and commercial landings that an additional 2240 tons were not detected. This is a slight increase from last season's total of approximately 42,200 tons. For the first time, biomass was also estimated using echo integration equipment. A total biomass was obtained of 33,050 tons, including herring not detected acoustically. This estimate must be considered preliminary and subject to revision after target strength of San Francisco Bay herring is determined.Eighty-seven samples, containing a total of 13,125 herring, were collected with variable-mesh gill net and midwater trawl or obtained from the roundhaul and gill net fisheries. Mean body length (BL) of sampled herring decreased by about 20 mm from the beginning to the end of the spawning season. A combination of variable-mesh gill net and midwater trawl samples for a particular school closely approximates mean BL and age composition data from unbiased roundhaul samples.Age-weight and age-length relationships were average to above average compared with those of the previous two seasons. The 1982 year class exhibited unusually good growth, with a mean BL of 202.8 mm for herring aged from stratified random samples.The 1982 through 1985 year classes (5- through 2-yr olds)contributed 97% by number and 95% by weight to the total 1986-87 spawning biomass in San Francisco Bay. Good recruitment has occurred during the past four seasons. The weak 1981 year class contributed little to the total biomass as 6-yr olds.Average catch per tow of young-of-the-year (YOY) herring is a potential index of abundance for recruitment 18 months later as 2-yr olds. Estimated recruitment has only varied by 15% during the past three seasons and does not reflect the magnitude or trend in YOY catches in the bay. (85pp.)
    Keywords: Management ; Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasi ; San Francisco Bay ; California
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  • 23
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    Southern California marine sport fishing from privately owned boats: catch and effort for October-December 1982 (2021)
    California Department of Fish and Game, Marine Resources Region | Santa Barbara, CA
    In:  http://aquaticcommons.org/id/eprint/330 | 8 | 2011-09-29 22:13:13 | 330 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: The catch landed and effort expended by private-boat sportfishermen were studied in southern California marine watersbetween October and December 1982, to determine the impact of one segment of the sport fishery on local marine resources. Fishermen returning from fishing trips were interviewed at launch ramps, hoists, and boat-rental facilities. This report contains quantitative data and statistical estimates of total effort, total catch, catch of preferred species, and length frequencies for those species whose catches are regulated by minimum size limits.An estimated 157,000 organisms were landed by 57,700 anglers and 4800 divers. The major components of the angler catch were Pacific mackerel, Scomber japonicus (28,700 estimated catch): white croaker, Genyonemus lineatus (24,000 estimated catch); and Pacific bonito, Sarda chiliensis (16,700 estimated catch). These three species represented almost half the total estimated angler catch. Rockfishes, Sebastes spp: were a major catch component; the 35 rockfish species landed made up 24% of the estimated catch. Divers landed an estimated 14,700 fishes and invertebrates. Chief among these were abalone, Haliotis spp. (4200 estimated catch);rock scallop, Hinnites rugosus (3600 estimated catch); andCalifornia spiny lobster, Panulirus interruptus (2500 estimated catch).Angler and diver compliance with size-limit regulations wasgenerally favorable, with diver compliance being particularly scrupulous, especially with invertebrate species. The compliance rate for California halibut, Paralichthys californicus, showed a drop from the previous quarter (July - September 1982) from 70 to 59% legal. During the same time period, size-limit compliance rose from 4 to 20% for Pacific bonito, a species with a tolerance allowing the take of some under-sized fish. (28p.)
    Keywords: Management ; Fisheries ; Pacific mackerel ; Scomber japonicus ; white croaker ; Genyonemus lineatus ; Pacific bonito ; Sarda chiliensis ; Rockfishes ; Sebastes spp ; abalone ; Haliotis spp. ; rock scallop ; Hinnites rugosus ; California spiny lobster ; Panulirus interruptus ; California halibut ; Paralichthys californicus
    Repository Name: AquaDocs
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  • 24
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 16, April to June, 1983 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/345 | 8 | 2011-09-29 22:12:20 | 345 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in April to June of 1983, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas;secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (149pp.)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 25
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 19, January to March, 1984 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/348 | 8 | 2011-09-29 22:12:53 | 348 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in January to March 1984, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas;secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (141pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 26
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 17, July to September, 1983 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/346 | 8 | 2011-09-29 22:12:47 | 346 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreationa1 Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in July to September 1983, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas;secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (159p.)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 27
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 8, April to June, 1981 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/350 | 8 | 2011-09-29 22:11:53 | 350 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in April to June 1981, is presented in a data report format. Data in this quarterly report aresubdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (131pp.)
    Keywords: Management ; Fisheries ; Biology
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  • 28
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    Southern California marine sport fishing from privately owned boats: catch and effort for January-March 1983 (2021)
    California Department of Fish and Game, Marine Resources Region | Santa Barbara, CA
    In:  http://aquaticcommons.org/id/eprint/329 | 8 | 2011-09-29 22:15:29 | 329 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: The catch landed and effort expended by private-boat sport fishermen were studied in southern California between January and March 1983 in order to determine the impact on local marine resources by one segment of the sport fishery. Fishermen returning from fishing trips were interviewed at launch ramps, hoists, and boat-rental facilities. Thisreport contains quantitative data and statistical estimates of total effort, total catch, catch of selected species, and length frequencies for those species with minimum size limits.An estimated 74,200 organisms were landed by 29,400 anglers and 1500 divers. The major species in the angler catch included white croaker, Genyonemus lineatus, (16,000 landed) and Pacific mackerel, Scomber japonicus (14,000 landed). The two species combined made up 44% of the total estimated angler catch. Divers, hampered in their activity by stormy conditions, landed an estimated 1700 rock scallop, Hinnitesmultirugosus. This single species represented almost a third of the estimated diver catch.The length frequency data, collected for size-regulated fish and shellfish species, show that minimum size-limit compliance was very good for both angler-caught and diver-caught species during the reporting period. (31pp.)
    Keywords: Management ; Fisheries ; white croaker ; Genyonemus lineatus ; Pacific mackerel ; Scomber japonicus ; rock scallop ; Hinnites multirugosus
    Repository Name: AquaDocs
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  • 29
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 18, October to December 1983 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/347 | 8 | 2011-09-29 22:12:50 | 347 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December 1983, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (133pp.)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 30
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 9, July to September 1981 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/351 | 8 | 2011-09-29 22:11:24 | 351 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in July to September 1981, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas;secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area,length-frequency histograms and tables are presented for select species. (149pp.)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 31
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    Southern California marine sport fishing from privately owned boats: catch and effort for April - June 1982 (2021)
    California Department of Fish and Game, Marine Resources Region | San Diego, CA
    In:  http://aquaticcommons.org/id/eprint/287 | 8 | 2011-09-29 22:17:08 | 287 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: The catch landed and effort expended by private-boatsport fishermen in southern California were studiedbetween April and June 1982, in order to determine theimpact of this segment of the sport fishery on localmarine resources. Fishermen returning from fishingtrips were interviewed at launch ramps, hoists, andboat-rental facilities. This report contains quantitative data and statistical estimates of total effort, total catch, catch of preferred species, and length frequencies for those species whose catches are regulated by minimum size limits.An estimated 213,000 organisms were landed by 102,000anglers and 3,300 divers. The major components of thecatch were white croaker, Genyonemus lineatus (56,000landed); and Pacific mackerel, Scomber japonicus (43,000landed). Together these two species made up almost one half of the estimated southern California sport catch.Anglers' compliance with size limit regulations wasvariable. Approximately 91% of all basses, Paralabraxspp., measured were legal size. Only 10% of the whiteseabass, Stractoscion nobilis, were larger than the minimumsize limit imposed on March 1, 1982. Divers' compliancewith size limit regulations on abalone, averaged 94%. (33pp.)
    Keywords: Management ; Fisheries ; white croaker ; Genyonemus lineatus ; Pacific mackerel ; Scomber japonicus ; white seabass ; Stractoscion nobilis
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  • 32
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    Biological characteristics of the catch from the 1980-81 and 1981-82 Pacific herring (Clupea harengus pallasi) roe fishery in California (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/289 | 8 | 2011-09-29 22:17:28 | 289 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: The age and size composition of the 1980-81 and 1981-82herring catch in Tomales and San Francisco Bays have remained relatively stable over the past two seasons. TheTomales Bay gill net catch was dominated by 5-, 6-, and 7-yr-old herring which combined for an average of 76% ofthe catch each season. The San Francisco Bay gill netcatch was dominated by 5- and 6-yr-old herring whichcombined for an average of 62% of the catch over the pasttwo seasons. The average size of herring in the gill netcatch declined in San Francisco Bay due to smaller meshnets employed by fishermen late in the season when largeherring are less abundant. (18pp.)
    Keywords: Fisheries ; Biology ; Pacific herring ; Clupea harengus pallasi
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  • 33
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    Mendocino Power Plant site ecological study annual report; July 1, 1971 to December 31, 1972 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/290 | 8 | 2011-09-29 22:17:20 | 290 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: This report is the first annual report submitted in partialfulfillment of Research Contract No. S-1902 between the Department of Fish and Game and the Pacific Gas and Electric Company. Through this contract the Department of Fish and Game is to conduct a preoperational ecological study to establish a base line inventory of the marine biota with special reference to fish and to abalone,including food chains.This first annual report covers all work from September 1971 through December 1972.This annual report covers the first 18 month period of the project from July 1, 1971 through December 31, 1972. The report includes results (discussion and tables) of our subtidal, intertidal, sportfishery, fish collection, fish food habit, and plankton studies. The quarterly reportfor October 1 to December 31, 1972 is included herein and these data are incorporated in this annual report. (86pp.)
    Keywords: Ecology ; Fisheries ; Biology ; Mendocino Power Plant ; California ; environmental impact
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  • 34
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 6, October to December, 1980 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/337 | 8 | 2011-09-29 22:14:00 | 337 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-28
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December. 1980, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (143pp.)
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
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  • 35
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    Marine recreational fisheries statistics survey for Northern and Central California, Quarterly Report No. 29, July to September 1986 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/523 | 8 | 2011-09-29 21:56:59 | 523 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in July to September of 1986, is presented in a data report format. Data in this quarterly report aresubdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally bycatch definition for each area, mode, and gear type. Tables are presented forthese categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (Document has 210 pages.)
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries ; marine fishes ; sport fishing ; California
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  • 36
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 20, April to June 1984 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/524 | 8 | 2011-09-29 21:57:02 | 524 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in April to June of 1984, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas: secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort(CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (Document has 141 pages)
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 37
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    Marine recreational fisheries statistics survey for Northern and Central California, Quarterly Report No. 28, April to June, 1986 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/519 | 8 | 2011-09-29 21:56:39 | 519 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in April to June of 1986, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas;secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (Document has 155 pages.)
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries ; marine species ; recreational fishing ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 38
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 30, October to December, 1986 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/522 | 8 | 2011-09-29 21:56:54 | 522 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Fleld intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December of 1986, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented forthese categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species.
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 39
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 23, January to March 1985 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/531 | 8 | 2011-09-29 21:55:08 | 531 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in January to March 1985, are presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presented for these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (140pp.)
    Keywords: Management ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
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  • 40
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    Marine recreational fisheries statistics survey for Northern and Central California, Quarterly Report No. 4, April to June, 1980 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/529 | 8 | 2011-09-29 21:55:11 | 529 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in April to June 1980, is presented in a data report format. Data in this quarterly report aresubdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presentedfor these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (155pp.)
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries ; marine species ; recreational fishing ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 41
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    Marine recreational fisheries statistics survey for northern and central California, Quarterly Report no. 22, October to December 1984 (2021)
    California Department of Fish and Game, Marine Resources Region | Fort Bragg, CA
    In:  http://aquaticcommons.org/id/eprint/526 | 8 | 2011-09-29 21:55:41 | 526 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: Field intercept Marine Recreational Fisheries Statistics Survey (MRFSS) data for central and northern California, collected in October to December of 1984, is presented in a data report format. Data in this quarterly report are subdivided into three categories: primarily by five geographical areas; secondarily by fishing modes and gear types within each area; and finally by catch definition for each area, mode, and gear type. Tables are presentedfor these categories, each with three sections: sampled effort, ranked catch, and catch-per-unit-effort (CPUE). Also, within each area, length-frequency histograms and tables are presented for select species. (Document has 128 pages)
    Description: The supplement (Appendix A) to this report is currently awaiting digitization, as the supplement is on microfiche and is poor quality.
    Keywords: Management ; Fisheries
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 42
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    Cruise Report 71-KB-10: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/567 | 8 | 2011-09-29 21:53:45 | 567 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Pacific bonito ; Sarda chiliensis ; Pacific mackerel ; Scomber japonicus ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 43
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    Cruise Report 71-KB-5: Pelagic Fish Program (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/562 | 8 | 2011-09-29 21:53:22 | 562 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; San Pedro Bay ; sardine ; Engraulis spp. ; spawning
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 44
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    Cruise Report 72-KB-7: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/584 | 8 | 2011-09-29 21:50:24 | 584 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Redondo Beach ; California ; Pacific bonito ; Sarda chiliensis
    Repository Name: AquaDocs
    Type: monograph
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  • 45
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    Cruise report 73-KB-1: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/609 | 8 | 2011-09-29 21:48:57 | 609 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Document has 1 page.
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; Pacific bonito ; Sarda chiliensis ; white seabass ; Cynoscion nobilis ; California barracuda ; Sphyraena argentea ; Jack mackerel ; Trachurus symmetricus ; Pacific mackerel ; Scomber japonicus
    Repository Name: AquaDocs
    Type: monograph
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  • 46
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    Cruise Report 71-KB-19: Jack mackerel tagging program (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/575 | 8 | 2011-09-29 21:54:26 | 575 | California Department of Fish and Game
    Details
    Publication Date: 2021-06-30
    Description: (1p.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Southern California ; jack mackerel ; Trachurus symmetricus ; Pacific mackerel ; Scomber japonicus ; cruise report
    Repository Name: AquaDocs
    Type: monograph
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  • 47
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    Cruise Report 72-KB-31: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/607 | 8 | 2011-09-29 21:48:50 | 607 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Document has 3 pages.
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; California ; Pacific bonito ; Sarda chiliensis ; California barracuda ; Sphyraena argentea ; white seabass ; Cynoscion nobilis ; Jack mackerel ; Trachurus symmetricus
    Repository Name: AquaDocs
    Type: monograph
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  • 48
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    Cruise Report 73-KB-33: Abalone-Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/636 | 8 | 2011-09-29 21:46:10 | 636 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: 2pp.
    Description: 2 pp.
    Keywords: Fisheries ; Biology ; Green abalone ; Haliotis fulgens ; Spiny lobster ; Panuliris interruptus ; Santa Catalina Island ; California
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 49
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    Cruise Report 73-KB-27: Big game fish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/631 | 8 | 2011-09-29 21:46:15 | 631 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Document has 1 page
    Description: 1 p.
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Pacific bonito ; Sarda chiliensis ; California barracuda ; Sphyraena argentea ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus
    Repository Name: AquaDocs
    Type: monograph
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  • 50
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    Unknown
    Cruise Report 74-KB-5: Abalone and Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/657 | 8 | 2011-09-29 21:43:49 | 657 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-01
    Description: Document has 8pp.
    Keywords: Ecology ; Management ; Fisheries ; Biology ; Anacapa Island ; Santa Cruz Island ; California ; Pink abalone ; Haliotis corrugata ; White abalone ; Haliotis sorenseni ; Spiny lobster ; Panulirus interruptus
    Repository Name: AquaDocs
    Type: monograph
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  • 51
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    Unknown
    Cruise Report 74-KB-8 and 74-M-1: Abalone-Lobster investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/820 | 8 | 2011-09-29 21:34:00 | 820 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (6pp.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; spiny lobster ; Panulirus interruptus ; abalones ; Haliotis kamtschatkana ; Santa Cruz Island ; Santa Rosa Island ; San Miguel Island ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 52
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    Cruise Report 74-KB-15: Lobster investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/827 | 8 | 2011-09-29 21:30:48 | 827 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (1 page)
    Keywords: Fisheries ; Biology ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history ; R/V Kelp Bass
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 53
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    Unknown
    Cruise Report 74-KB-18 and 74-M-4: Abalone-Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/830 | 8 | 2011-09-29 21:31:13 | 830 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (4pp.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; San Clemente Island ; California ; Pink abalone ; Haliotis corrugata
    Repository Name: AquaDocs
    Type: monograph
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  • 54
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    Cruise Report 74-KB-22: Abalone Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/834 | 8 | 2011-09-29 21:31:31 | 834 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (1 page)
    Keywords: Fisheries ; Biology ; Russian River ; Shelter Cove ; California ; R/V Kelp Bass ; red abalone ; Haliotis rufescens
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
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  • 55
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    Cruise Report 74-KB-25: Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/837 | 8 | 2011-09-29 21:31:49 | 837 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (1 page)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; Santa Catalina Island ; California ; Spiny lobster ; Panulirus interruptus ; life history
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
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  • 56
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    Cruise Report 74-KB-30 and 74-M-6: Abalone - Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/842 | 8 | 2011-09-29 21:32:12 | 842 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (3pp.)
    Keywords: Management ; Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; San Clemente Island ; Santa Catalina Island ; California ; green abalone ; Haliotis fulgens ; tag and recapture
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
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  • 57
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    Cruise Report 74-KB-31: Sportfish-Kelp Habitat Project (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/843 | 8 | 2011-09-29 21:32:17 | 843 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (2pp.)
    Keywords: Management ; Fisheries ; Biology ; R/V Kelp Bass ; Catalina Island ; Palos Verdes Peninsula ; California ; Giant kelp ; Macrocystis sp.
    Repository Name: AquaDocs
    Type: monograph
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  • 58
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    Cruise Report 74-KB-11 and 74-M-2: Abalone-Lobster Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/823 | 8 | 2011-09-29 21:32:34 | 823 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-03
    Description: (4pp.)
    Keywords: Fisheries ; Biology ; R/V Kelp Bass ; R/V Mollusk ; San Miguel Island ; California ; Spiny lobster ; Panulirus interruptus ; red sea urchin ; Strongylocentrotus franciscanus ; purple sea urchin ; Strongylocentrotus purpuratus
    Repository Name: AquaDocs
    Type: monograph
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  • 59
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    Unknown
    Report for the month of September 1970 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1361 | 8 | 2014-10-14 21:35:47 | 1361 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 18
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  • 60
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    Unknown
    Report for the month of October 1970 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1362 | 8 | 2014-10-14 21:37:22 | 1362 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 18
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  • 61
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    Report for the month of March 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1367 | 8 | 2014-10-14 22:04:37 | 1367 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 19
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  • 62
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    Report for the month of January 1973 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1448 | 8 | 2014-10-15 22:22:10 | 1448 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendices re: Wildlife Protection Branch; Marine Resources Region annual achievement report for 1972; and MRR publications.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 50
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  • 63
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    Report for the month of February 1973 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1449 | 8 | 2014-10-15 22:23:37 | 1449 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 23
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  • 64
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    Report for the month of May 1973 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1458 | 8 | 2014-10-15 22:30:06 | 1458 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendices re: Wildlife Protection Branch and Marine Fisheries Statistics reports.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 27
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  • 65
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    Report for the month of June 1973 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1459 | 8 | 2014-10-15 22:32:39 | 1459 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 29
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  • 66
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    Report for the month of July 1973 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1460 | 8 | 2014-10-15 22:34:46 | 1460 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 25
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  • 67
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    Report for the month of December 1969 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1349 | 8 | 2014-10-14 17:27:07 | 1349 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 20
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  • 68
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    Report for the month of November 1969 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1348 | 8 | 2014-10-14 17:25:33 | 1348 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Report for the month of March 1974 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1468 | 8 | 2014-10-20 21:32:47 | 1468 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Format: 26
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  • 70
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    Report for the month of January 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1365 | 8 | 2014-10-14 21:50:03 | 1365 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendices re: Wildlife Protection Branch; MRR Reference Series; and Marine Resources Region annual report for 1970.
    Keywords: Management ; Fisheries ; Biology
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    Format: 36
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  • 71
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    Report for the month of July 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1371 | 8 | 2014-10-14 22:13:38 | 1371 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Format: application/pdf
    Format: 18
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  • 72
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    Report for the month of September 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1374 | 8 | 2014-10-14 22:15:47 | 1374 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Format: 20
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  • 73
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    Report for the month of November 1971 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1376 | 8 | 2014-10-14 22:19:31 | 1376 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-07
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
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    Format: 21
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  • 74
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    Report for the month of June 1972 (2021)
    California Department of Fish and Game, Marine Resources Region | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/1410 | 8 | 2014-10-15 18:35:59 | 1410 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-08
    Description: Report includes appendix re: Wildlife Protection Branch.
    Keywords: Management ; Fisheries ; Biology
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 22
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  • 75
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    Cruise Report 69-S-1: Bottomfish Program (2021)
    California Department of Fish and Game, Marine Resources Region | Terminal Island, CA
    In:  http://aquaticcommons.org/id/eprint/1948 | 8 | 2011-09-29 19:53:30 | 1948 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 2 pages)
    Keywords: Fisheries ; Biology ; N. B. Scofield ; Dover sole ; Microstomus pacificus ; stock ; Eureka ; von Bertalanffy ; trawl ; growth estimates
    Repository Name: AquaDocs
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  • 76
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    Cruise Report 70-S-8: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2038 | 8 | 2011-09-29 19:45:56 | 2038 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Table Bluff ; Oregon border ; market crab ; Cancer magister ; tanner crabs ; Chionoecetes tanneri ; tag
    Repository Name: AquaDocs
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  • 77
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    Cruise Report 70-S-6: Sportfish Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2034 | 8 | 2011-09-29 19:47:14 | 2034 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 2 pages.)
    Keywords: Fisheries ; Biology ; Baja California ; Mexico ; tag and release ; sand bass ; Paralabrax nebulifer ; Pacific bonito ; Sarda chiliensis ; California yellowtail ; Seriola dorsalis ; N.B.Scofield
    Repository Name: AquaDocs
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    Cruise Report 72-S-1: Big Game Fisheries Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2037 | 8 | 2011-09-29 19:45:54 | 2037 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; Baja California ; Mexico ; Los Coronados Islands ; Gorda Point ; tag and release ; Pacific bonito ; Sarda chiliensis ; Pacific mackerel ; Scomber japonicus ; jack mackerel ; Trachurus symmetricus
    Repository Name: AquaDocs
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  • 79
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    Cruise Report 71-S-3 (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2042 | 8 | 2011-09-29 19:43:06 | 2042 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 7 pages.)
    Keywords: Fisheries ; Biology ; southern Channel Islands ; Tanner Bank ; Cortez Bank ; southern California ; sablefish ; Anoplopoma fimbria ; Santa Rosa-Cortez Ridge ; N.B.Scofield
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  • 80
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    Cruise Report 71-S-6: Sportfish Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2044 | 8 | 2011-09-29 19:43:09 | 2044 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 1 pages.)
    Keywords: Fisheries ; Biology ; Baja California ; sand bass ; Paralabrax nebulifer ; recapture ; tag ; N.B.Scofield
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  • 81
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    Cruise Report 71-S-2: Prawns (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2040 | 8 | 2011-09-29 19:46:24 | 2040 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; Usal ; Oregon border ; spot prawns ; Pandalus platyceros ; coonstripe shrimp ; Pandalus danae ; ocean shrimp ; Pandalus jordani ; N.B.Scofield
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    Cruise Report 71-S-8: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2046 | 8 | 2011-09-29 19:43:13 | 2046 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-11
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; False Cape ; Oregon border ; market crab ; Cancer magister ; ocean shrimp ; Pandalus jordani ; tag ; N.B. Scofield
    Repository Name: AquaDocs
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  • 83
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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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  • 84
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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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    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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  • 86
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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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  • 87
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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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  • 88
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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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  • 89
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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
    Details
    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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  • 90
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    Cruise Report 72-S-5: Inshore fisheries habitat evaluation and monitoring (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2180 | 8 | 2011-09-29 19:37:53 | 2180 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Huntington Beach ; California ; trawling ; ridgeback prawns ; Eusicyonia ingentis ; urchins ; Allocentratus fragilis ; sea cucumbers ; Parastichopus sp. ; sea stars ; Astropectin verrilli
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  • 91
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    Cruise Report 72-S-4: Big Game Fish Investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2179 | 8 | 2011-09-29 19:37:52 | 2179 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 2 pages.)
    Keywords: Fisheries ; Biology ; Baja California ; Magdalena Bay ; Guadalupe Island ; tag and release ; Pacific bonito ; Sarda chiliensis ; California yellowtail ; Seriola dorsalis ; California barracuda ; Sphyraena argentea ; white seabass ; Cynoscion nobilis ; Pacific mackerel ; Scomber japonicus ; Jack mackerel ; Trachurus symmetricus ; trolling
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  • 92
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    Cruise Report 72-S-6: Shellfish investigations (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2181 | 8 | 2011-09-29 19:37:55 | 2181 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 3 pages.)
    Keywords: Fisheries ; Biology ; Trinidad ; California ; Cape Sebatian ; Oregon ; ocean shrimp ; Pandalus jordani ; Pacific hake ; Merluccius productus ; trawls
    Repository Name: AquaDocs
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  • 93
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    Cruise Report 72-S-8: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2184 | 8 | 2011-09-29 19:38:16 | 2184 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 4 pages.)
    Keywords: Fisheries ; Biology ; Eureka ; California ; Oregon border ; market crab ; Cancer magister ; trawling ; trapping ; ocean shrimp ; Pandalus jordani ; Dover sole
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  • 94
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    Cruise Report 72-S-9: Bottomfish (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2183 | 8 | 2011-09-29 19:38:14 | 2183 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; Santa Cruz ; California ; Point Sur ; California ; demersal fishes ; life history ; rockfish
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  • 95
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    Cruise Report 72-S-7: Crab (2021)
    California Department of Fish and Game, Marine Resources Region | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/2182 | 8 | 2011-09-29 19:37:57 | 2182 | California Department of Fish and Game
    Details
    Publication Date: 2021-07-12
    Description: (PDF contains 5 pages.)
    Keywords: Fisheries ; Biology ; Point San Pedro ; California ; Bodega Head ; California ; market crab ; Cancer magister ; trawling
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  • 96
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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
    Repository Name: AquaDocs
    Type: monograph
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  • 97
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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
    Repository Name: AquaDocs
    Type: monograph
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  • 98
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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
    Repository Name: AquaDocs
    Type: monograph
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  • 99
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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
    Repository Name: AquaDocs
    Type: monograph
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  • 100
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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
    Repository Name: AquaDocs
    Type: monograph
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