Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 1
... length ranging from 75 to 145mm . , and then migrate to sea . After spending from 2 to 6 years in the ocean , shad ... fork length , were taken near spawning and The homing instinct of the Chesapeake Bay shad , Alosa sapidissima ...
... length ranging from 75 to 145mm . , and then migrate to sea . After spending from 2 to 6 years in the ocean , shad ... fork length , were taken near spawning and The homing instinct of the Chesapeake Bay shad , Alosa sapidissima ...
Página 2
... fork length Area and river Collect- Loca- Collec- Speci- ing gear tions tions mens Number Number Number Mm . 23 1222 North Atlantic : Connecticut ... Seine Hudson ........ Seine Chesapeake Bay : Susquehanna ... Seine Rappahannock ...
... fork length Area and river Collect- Loca- Collec- Speci- ing gear tions tions mens Number Number Number Mm . 23 1222 North Atlantic : Connecticut ... Seine Hudson ........ Seine Chesapeake Bay : Susquehanna ... Seine Rappahannock ...
Página 5
... fork length and age 2 ; 100 percent at 350 mm . and age 3 . 3.13 Mating No record of observation but probably promiscuous . 3.14 Fertilization External . 3.15 Gonads No data are available on the relation of number of eggs to age and ...
... fork length and age 2 ; 100 percent at 350 mm . and age 3 . 3.13 Mating No record of observation but probably promiscuous . 3.14 Fertilization External . 3.15 Gonads No data are available on the relation of number of eggs to age and ...
Página 12
... fork length ( 2 years old ) and 100 percent at 35 cm.fork length ( 3 years old ) . Jack mackerel taken erratically in the salt- water sport fishery range from 45 to over 75 cm . total length and to 2.3 kg . These large jack mackerel ...
... fork length ( 2 years old ) and 100 percent at 35 cm.fork length ( 3 years old ) . Jack mackerel taken erratically in the salt- water sport fishery range from 45 to over 75 cm . total length and to 2.3 kg . These large jack mackerel ...
Página
... Length composition . Weight composition . Mean lengths and weights Review of the Fishery Summary • Acknowledgment ... fork length ( mm . ) of Atlantic menhaden in purse seine catches , 1962 , and mean of the mean lengths , 1955-61 ...
... Length composition . Weight composition . Mean lengths and weights Review of the Fishery Summary • Acknowledgment ... fork length ( mm . ) of Atlantic menhaden in purse seine catches , 1962 , and mean of the mean lengths , 1955-61 ...
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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.