Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 7
... concentrations of larvae ( 50 or more larvae per standardized haul ) occurred within a 20 range , 14 ° to 16 ° C. They also found that 80.1 percent of the larvae occurred offshore between Point Conception , California , ( about lat ...
... concentrations of larvae ( 50 or more larvae per standardized haul ) occurred within a 20 range , 14 ° to 16 ° C. They also found that 80.1 percent of the larvae occurred offshore between Point Conception , California , ( about lat ...
Página 3
... concentrations of fish were found as far south as Georgetown , S.C. , but from July 7 to August 2 , fish were so scarce that the vessels remained in port most of the time ( catches were landed only on July 17 , 20 , and 23 ) . Fish ...
... concentrations of fish were found as far south as Georgetown , S.C. , but from July 7 to August 2 , fish were so scarce that the vessels remained in port most of the time ( catches were landed only on July 17 , 20 , and 23 ) . Fish ...
Página 2
... concentrations lethal to sea lampreys . The discovery and development for practical field use of toxicants that ... concentration of larvicides in stream water , the fabrication of equipment for the automatic recording of the ...
... concentrations lethal to sea lampreys . The discovery and development for practical field use of toxicants that ... concentration of larvicides in stream water , the fabrication of equipment for the automatic recording of the ...
Página 5
... concentrations of Na , K , Ca , C1 , SO4 , SiO2 , and dissolved oxygen off the mouth of Saginaw Bay and along a transect from Harbor Beach , Mich . , to Goderich , Ontario , June- October 1956. Chemical composition did not vary with ...
... concentrations of Na , K , Ca , C1 , SO4 , SiO2 , and dissolved oxygen off the mouth of Saginaw Bay and along a transect from Harbor Beach , Mich . , to Goderich , Ontario , June- October 1956. Chemical composition did not vary with ...
Página 6
... concentrations re- quired to kill ammocetes and to inflict significant mortality on rainbow trout , brown trout , and bluegills . APPLEGATE , VERNON C. , and EVERETT L. KING , JR . 1962. Comparative toxicity of 3 - trifluor- methyl - 4 ...
... concentrations re- quired to kill ammocetes and to inflict significant mortality on rainbow trout , brown trout , and bluegills . APPLEGATE , VERNON C. , and EVERETT L. KING , JR . 1962. Comparative toxicity of 3 - trifluor- methyl - 4 ...
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Términos y frases comunes
abundance Alaska Amer American shad anchovy larvae Appendix table Atlantic Area Atlantic menhaden August Baja California 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 FISH AND WILDLIFE Florida fork length frequency 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 Occur offshore OOSTEN organisms outbreaks Paul Island pelagic Petersen tag phosphorus plankton population Pribilof Islands pups purse seine purse seine catches red tide red-tide River Rock Island Dam Ruth Lake salinity salmon sardine sea lamprey season smolts sockeye spawning Spec species Station lines striped bass surface survival Tampa Bay temperature tion Total Number toxic U.S. Fish Wildl WILDLIFE SERVICE zooplankton
Pasajes populares
Página 73 - 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 1 - EH 1959. Vertical distribution of pelagic fish eggs and larvae off California and Baja California. US Fish Wildl.
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.