Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 1
... organisms of commercial value . As of this time several organizations , including the Bureau of Commercial Fisheries , have agreed to collaborate with F.A.O. in this undertaking . Some Bureau of Commercial Fisheries personnel have ...
... organisms of commercial value . As of this time several organizations , including the Bureau of Commercial Fisheries , have agreed to collaborate with F.A.O. in this undertaking . Some Bureau of Commercial Fisheries personnel have ...
Página 8
... organisms . Concentrations of major ions have increased as much as 10 p.p.m. Late - summer oxygen depletion is becoming more severe and affecting greater areas . All evidence points toward progressive eutrophica tion . BEETON , ALFRED M ...
... organisms . Concentrations of major ions have increased as much as 10 p.p.m. Late - summer oxygen depletion is becoming more severe and affecting greater areas . All evidence points toward progressive eutrophica tion . BEETON , ALFRED M ...
Página 26
... organism due to active metabolic uptake of the element directly from water . The ratio Sr / Ca seems to remain constant , al- though it varies in the environment . MCLAIN , ALBERTON L. 1952. Diseases and parasites of the sea lamprey ...
... organism due to active metabolic uptake of the element directly from water . The ratio Sr / Ca seems to remain constant , al- though it varies in the environment . MCLAIN , ALBERTON L. 1952. Diseases and parasites of the sea lamprey ...
Página 32
... organisms and schedule and procedure of feeding . SAWYER , PHILIP J. 1959a . Burrowing activities of the larval lampreys . Copeia 1959 ( 3 ) : 256-257 . Larval lampreys enter a substrate by a swimming motion that forces the head into it ...
... organisms and schedule and procedure of feeding . SAWYER , PHILIP J. 1959a . Burrowing activities of the larval lampreys . Copeia 1959 ( 3 ) : 256-257 . Larval lampreys enter a substrate by a swimming motion that forces the head into it ...
Página 50
... organisms . WILSON , CHARLES B. 1929b . The macroplankton of Lake Erie . In A biological survey of the Erie . Niagara System , p . 67-76 . N. Y. Conserv . Dep . , Suppl . 18th Annu . Rep . Report on same materials covered in paper ...
... organisms . WILSON , CHARLES B. 1929b . The macroplankton of Lake Erie . In A biological survey of the Erie . Niagara System , p . 67-76 . N. Y. Conserv . Dep . , Suppl . 18th Annu . Rep . Report on same materials covered in paper ...
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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.