Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 4
... Organisms were identified to the lowest taxonomic group possible -- often determined by the state of digestion of the organisms . Biological Environment No detailed plankton studies were made on Ruth Lake before it was treated in 1955 ...
... Organisms were identified to the lowest taxonomic group possible -- often determined by the state of digestion of the organisms . Biological Environment No detailed plankton studies were made on Ruth Lake before it was treated in 1955 ...
Página 16
... organisms per square meter in the shallow water of Little Kitoi Lake ( 0.624 g . ) was only 38.9 percent of that in Ruth Lake ( 1.604 g . ) . In deep water , Little Kitoi Lake had 2.433 g . of organisms per square meter , or 44.5 ...
... organisms per square meter in the shallow water of Little Kitoi Lake ( 0.624 g . ) was only 38.9 percent of that in Ruth Lake ( 1.604 g . ) . In deep water , Little Kitoi Lake had 2.433 g . of organisms per square meter , or 44.5 ...
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... organisms has been well known since ancient times . It should suffice to note that discolored water has been observed in widely scattered seas ; the Red Sea and the Gulf of California ( once named the Vermilion Sea ) are cases in point ...
... organisms has been well known since ancient times . It should suffice to note that discolored water has been observed in widely scattered seas ; the Red Sea and the Gulf of California ( once named the Vermilion Sea ) are cases in point ...
Página 2
... organisms has been well known since ancient times . It should suffice to note that discolored water has been observed in widely scattered seas ; the Red Sea and the Gulf of California ( once named the Vermilion Sea ) are cases in point ...
... organisms has been well known since ancient times . It should suffice to note that discolored water has been observed in widely scattered seas ; the Red Sea and the Gulf of California ( once named the Vermilion Sea ) are cases in point ...
Página 3
... organisms appear to thrive from 16 ° to 27 ° C. ( fig . 2 ) . Beyond this range organisms occurred only in low abundance . These observations agree remarkably well with the laboratory results of Aldrich ( 1959 ) . The effect of cold ...
... organisms appear to thrive from 16 ° to 27 ° C. ( fig . 2 ) . Beyond this range organisms occurred only in low abundance . These observations agree remarkably well with the laboratory results of Aldrich ( 1959 ) . The effect of cold ...
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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.