Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 5
... July 1957 has been found to be in error . 2.2 Differential distribution The distribution of adult jack mackerel ap- pears to correspond closely to that of eggs and larvae . The adults are present off southern California throughout the ...
... July 1957 has been found to be in error . 2.2 Differential distribution The distribution of adult jack mackerel ap- pears to correspond closely to that of eggs and larvae . The adults are present off southern California throughout the ...
Página 7
... July February 2,457 2.3 March April ....... May June .. ..... 13,014 12.3 August ....... September . 19,441 18.4 October ........ 26,800 25.3 31,799 30.1 November December ..... Month Total number Percentage of of larvae total 10,726 ...
... July February 2,457 2.3 March April ....... May June .. ..... 13,014 12.3 August ....... September . 19,441 18.4 October ........ 26,800 25.3 31,799 30.1 November December ..... Month Total number Percentage of of larvae total 10,726 ...
Página 3
... July ( 16 percent ) , September ( 16 per- cent ) , October ( 8 percent ) , and April ( 1 per- cent ) . Chesapeake Bay Area The fleet comprised 24 vessels from Chesapeake Bay plants and , from about June 2 to September 14 , 5 vessels ...
... July ( 16 percent ) , September ( 16 per- cent ) , October ( 8 percent ) , and April ( 1 per- cent ) . Chesapeake Bay Area The fleet comprised 24 vessels from Chesapeake Bay plants and , from about June 2 to September 14 , 5 vessels ...
Página 4
... July most of the catches were made off the southern shore of western Long Island from Jones Beach to Fire Island . Throughout this period catches were large . From the middle of July until early October , fish were scarce in all ...
... July most of the catches were made off the southern shore of western Long Island from Jones Beach to Fire Island . Throughout this period catches were large . From the middle of July until early October , fish were scarce in all ...
Página 13
... July . Favorable weather permitted con- tinual fishing during this period , and catches were larger in May and June than in the same period of any previous year . After these older fish disappeared in July , the catches in the Middle ...
... July . Favorable weather permitted con- tinual fishing during this period , and catches were larger in May and June than in the same period of any previous year . After these older fish disappeared in July , the catches in the Middle ...
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Términos y frases comunes
3-check abundance Amer American shad anchovy larvae Atlantic Area Atlantic menhaden August Baja California ber Occur ber rences taken blooms breve brevis Bull Bureau of Commercial central Baja California Chesapeake Bay coast Commercial Fisheries concentrations cruise dead fish dinoflagellates distribution eggs estimate females fin rays FISH AND WILDLIFE Florida fork length fur seals growth Gulf Gymnodinium jack mackerel July June kill Lake Erie lake trout larvae Little Kitoi Lake males migration mortality Number Number Number Number Percent offshore OOSTEN organisms outbreaks Paul Island pelagic Petersen tag phosphorus plankton population Pribilof Islands pups purse seine purse seine catches red tide red-tide rences taken rences River Rock Island Dam Ruth Lake salinity salmon sardine sea lamprey season smolts sockeye spawning Spec species Station lines striped bass surface survival taken rences taken temperature tion toxic U.S. Fish Wildl zooplankton
Pasajes populares
Página 71 - UNITED STATES DEPARTMENT OF THE INTERIOR FISH AND WILDLIFE SERVICE UNITED STATES DEPARTMENT OF THE INTERIOR, Fred A.
Página 4 - US DEPARTMENT OF THE INTERIOR, FISH AND WILDLIFE SERVICE, BUREAU OF COMMERCIAL FISHERIES, Washington, DC, June 13, 1962.
Página 10 - Hydr., 36: 57-130. 1941. Age and growth of the rock bass, Ambloplites rupestris (Rafinesque), in Nebish Lake, Wisconsin.
Página 7 - This project covers the expenses of the two American members of the International Board of Inquiry for the Great Lakes Fisheries...
Página 7 - An investigation of the relative efficiencies of natural and artificial propagation of sockeye salmon (Oncorhynchus nerka) at Cultus Lake, British Columbia.
Página 57 - No. 23, 26 pp. 1948. A record of pilchard eggs and larvae collected during surveys made in 1939 to 1941. US Dept.
Página 60 - I would appreciate it. (The information referred to follows :) DEPARTMENT OF THE INTERIOR, FISH AND WILDLIFE SERVICE, BUREAU OF COMMERCIAL FISHERIES, Washington, DC Hon.