Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 5
... pelagic species , the sardine , Sardinops caerulea ( Girard ) , the Paci- fic mackerel , Pneumatophorus diego ( Ayres ) , and the anchovy , Engraulis mordax Girard , taken by the purse seine fishery . 3 2.4 Hybridization No evidence of ...
... pelagic species , the sardine , Sardinops caerulea ( Girard ) , the Paci- fic mackerel , Pneumatophorus diego ( Ayres ) , and the anchovy , Engraulis mordax Girard , taken by the purse seine fishery . 3 2.4 Hybridization No evidence of ...
Página 7
... pelagic , nonadhesive , spherical , 0.98 mm . ( range 0.90-1.08 ) in di- ameter , with a yolk 0.80 mm . ( 0.68-0.88 ) in diameter , a single oil globule 0.26 mm . ( 0.18- 0.35 ) in diameter , and a perivitelline space 0.09 mm . wide ...
... pelagic , nonadhesive , spherical , 0.98 mm . ( range 0.90-1.08 ) in di- ameter , with a yolk 0.80 mm . ( 0.68-0.88 ) in diameter , a single oil globule 0.26 mm . ( 0.18- 0.35 ) in diameter , and a perivitelline space 0.09 mm . wide ...
Página 16
... pelagic fish eggs and larvae off California and Baja California . U.S. Fish Wildl . Serv . , Fish . Bull . 60 : 107-146 . AHLSTROM , ELBERT H. , and ORVILLE P. BALL . 1954. Description of eggs and larvae of jack mackerel ( Trachurus ...
... pelagic fish eggs and larvae off California and Baja California . U.S. Fish Wildl . Serv . , Fish . Bull . 60 : 107-146 . AHLSTROM , ELBERT H. , and ORVILLE P. BALL . 1954. Description of eggs and larvae of jack mackerel ( Trachurus ...
Página 12
... pelagic behavior . For example , the substrate - boring petro- myzontids exhibit little galvanotaxis , if any . Fresh - water and euryhaline cottids and the brown and black bullheads move a minimal distance , if at all , and only just ...
... pelagic behavior . For example , the substrate - boring petro- myzontids exhibit little galvanotaxis , if any . Fresh - water and euryhaline cottids and the brown and black bullheads move a minimal distance , if at all , and only just ...
Página 36
... pelagic and bottom in- vertebrates succumbed to the unknown poison . Large numbers of shrimp were seen dead , as well as common blue crabs , fiddler and mud crabs , barnacles , oysters and coquinas . Observations made by the author in ...
... pelagic and bottom in- vertebrates succumbed to the unknown poison . Large numbers of shrimp were seen dead , as well as common blue crabs , fiddler and mud crabs , barnacles , oysters and coquinas . Observations made by the author in ...
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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.