Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 3
... larva surveys along the U.S. and Baja California coasts indicate that the greatest amount of jack mackerel spawning ... larvae were taken on a special cruise ( NORPAC ) at stations off the Oregon and Washington coasts to 1500 west ...
... larva surveys along the U.S. and Baja California coasts indicate that the greatest amount of jack mackerel spawning ... larvae were taken on a special cruise ( NORPAC ) at stations off the Oregon and Washington coasts to 1500 west ...
Página 4
... LARVAE 1952 SAN DIEGO 115 ° Figure 2 .-- Distribution of jack mackerel as indicated by larval distribution . 110 ° 40 ° 35 30 ° 25 20 ESTIMATED NUMBERS OF EGGS 2 IN THOUSANDS σ 8 이 4.
... LARVAE 1952 SAN DIEGO 115 ° Figure 2 .-- Distribution of jack mackerel as indicated by larval distribution . 110 ° 40 ° 35 30 ° 25 20 ESTIMATED NUMBERS OF EGGS 2 IN THOUSANDS σ 8 이 4.
Página 5
... larvae . The adults are present off southern California throughout the year , and seasonal and annual variations in landings are caused by primarily economic factors acting upon the fishing industry . 2.3 Determinants of distribution ...
... larvae . The adults are present off southern California throughout the year , and seasonal and annual variations in landings are caused by primarily economic factors acting upon the fishing industry . 2.3 Determinants of distribution ...
Página 7
... larvae total 10,726 10.1 986 .9 320 .3 183 .2 14 .01 0 .00 The average age of the above larvae is 6.6 days from spawning , and therefore the larval occurrences should adequately indicate the spawning season . Farris ( 1961 ) determined ...
... larvae total 10,726 10.1 986 .9 320 .3 183 .2 14 .01 0 .00 The average age of the above larvae is 6.6 days from spawning , and therefore the larval occurrences should adequately indicate the spawning season . Farris ( 1961 ) determined ...
Página 8
... larvae of jack mackerel ( figures 1 through 8 of Ahlstrom and Ball , 1954 ) . Full complement 3 .. Table 1 .-- Jack mackerel larvae. b C 10 d f MATTSON Larva , 4.9 mm . , lateral view . Yolk - sac larva , 2 mm . Soon after hatching ...
... larvae of jack mackerel ( figures 1 through 8 of Ahlstrom and Ball , 1954 ) . Full complement 3 .. Table 1 .-- Jack mackerel larvae. b C 10 d f MATTSON Larva , 4.9 mm . , lateral view . Yolk - sac larva , 2 mm . Soon after hatching ...
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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.