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
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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.