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  • 1
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/684 | 8 | 2011-09-29 21:41:45 | 684 | California Department of Fish and Game
    Publication Date: 2021-07-02
    Description: Sea otter foraging along Monterey Bay beaches and at Atascadero State Beach has precluded recreational Pismo clam fisheries at six major clamming beaches. Outside the sea otter's foraging range Pismo clam stocks are yielding good catches; apparently the stringent controls on the recreational fishery is adequate to maintain the State's Pismo clam stocks. Clammer interviews at Orange and Los Angeles County beaches and at beaches near Pismo Beach and Morro Bay and in Monterey Bay revealed the clam stocks to be on a healthy, sustainable yield basis. Exceptionallylarge numbers of small 1.5 to 3.5 inch Pismo clams were reported at all clam beaches surveyed north of Pt. Conception indicating good year class survival in recent years. Sea otters forage dense Pismo clam beds by moving along a "front", progressively foraging from one beach to the next, reducing the clams to low levels before moving on. Some sea otters continue to forage throughout the areas previously depleted by the larger aggregate moving northward, thus the large numbers of sublegal clamsin the 1.5 to 3.5 inch size group in these intertidal and shallow subtidal areas are not expected to reach legal size in numbers sufficient to develop a recreational fishery. In Monterey Bay about 60,000 Pismo clams were removed or killed by human activity in the April 1974 to March 1975 period. A rough estimate of the Pismo clams consumed by sea otters during this same period in Monterey Bay is over 500,000 clams. (51pp.)
    Keywords: Ecology ; Management ; Biology ; Pismo clam ; Tivela stultorum ; Sea otter ; Enhydra lutris L. ; Monterey Bay ; California
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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  • 2
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/664 | 8 | 2011-09-29 21:43:00 | 664 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: The market crab (Canaer magister) resource offCalifornia is undergoing heavy pressure and appears tobe near full exportation. The fisheries in the SanFrancisco and Central California areas are at low levelsof abundance but the population off Eureka and CrescentCity appears relatively healthy. (18pp.)
    Keywords: Management ; Fisheries ; Biology ; Market crab ; Cancer magister ; California
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    California Department of Fish and Game | Monterey, CA
    In:  http://aquaticcommons.org/id/eprint/482 | 8 | 2020-08-24 03:46:17 | 482 | California Department of Fish and Game
    Publication Date: 2021-06-30
    Description: This report summarizes the history of the slough, ecological attractions, educational value, and problems facing its continued existence. Appended references provide the interested and concerned citizen with sources of more specific information.As a result of the initial survey of estuarine areas of California(California Department of Fish and Game, 1969), the critical status of the coastal marshes became obvious. This report on Elkhorn Slough is part of the high priority inventory and assessment of coastal wetlands by the Department of Fish and Game, and it is intended as a guide for citizens, planners, administrators, and all others interested in the use and development of coastal lands and waters. As such, this report transcends local issues on pollution and development and, in fact, documents the status and future of natural resources that should be a part of the inheritance of following generations.This publication is one of a scheduled series. It follows similar documents on Upper Newport Bay (orange county), Goleta Slough (Santa Barbara County) and the Bolinas Lagoon (Marin county). (Document has 126 pages)
    Keywords: Conservation ; Pollution ; Biology ; Environment ; Elkhorn Slough ; Monterey County ; Moss Landing
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    California Department of Fish and Game | Long Beach, CA
    In:  http://aquaticcommons.org/id/eprint/670 | 8 | 2011-09-29 21:42:56 | 670 | California Department of Fish and Game
    Publication Date: 2021-07-01
    Description: The fishery for ocean shrimp (Pandalus jordani) wasbegan in the early 1950's after exploratory fishing bythe Department of Fish and Game discovered five denseconcentrations. The fishery has been fully regulatedsince its beginning and is currently being managed formaximum sustained yield by a quota system. (19pp.)
    Keywords: Management ; Fisheries ; Biology ; Ocean shrimp ; Pandalus jordani
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
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