Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 7
... 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 10.1 986 .9 320 .3 183 .2 14 .01 0 .00 The average ...
... 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 10.1 986 .9 320 .3 183 .2 14 .01 0 .00 The average ...
Página 3
... June ( 19 percent ) , May ( 18 per- cent ) , 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 ...
... June ( 19 percent ) , May ( 18 per- cent ) , 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 ...
Página 4
... June , and again in October , the season would have been the poorest in several decades . June ranked first in percentage of the season's catch ( 28 percent ) , followed by October ( 21 percent ) , May ( 19 percent ) , July ( 14 percent ) ...
... June , and again in October , the season would have been the poorest in several decades . June ranked first in percentage of the season's catch ( 28 percent ) , followed by October ( 21 percent ) , May ( 19 percent ) , July ( 14 percent ) ...
Página 6
... June and Reintjes ( 1959 ) . The number of samples taken at each port ranged from 12 to 193 ( table 2 ) . The number of tons Table 2 .-- Number of samples of Atlantic menhaden taken from purse seine catches , by season and locality ...
... June and Reintjes ( 1959 ) . The number of samples taken at each port ranged from 12 to 193 ( table 2 ) . The number of tons Table 2 .-- Number of samples of Atlantic menhaden taken from purse seine catches , by season and locality ...
Página 13
... June than in the same period of any previous year . After these older fish disappeared in July , the catches in the Middle and North Atlantic Areas declined . From July to September they were smaller than in any previous year . The ...
... June than in the same period of any previous year . After these older fish disappeared in July , the catches in the Middle and North Atlantic Areas declined . From July to September they were smaller than in any previous year . The ...
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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.