Special Scientific Report: Fisheries, Números 525-540National Marine Fisheries Service, 1965 |
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Página 10
... females generally were larger than males . The greater differences occurred among the older , larger fish ( fig . 5 ) . Sex ratios were nearly equal ( table 6 ) , with about the same variation as in past years . Table 6 .-- Sex ratio of ...
... females generally were larger than males . The greater differences occurred among the older , larger fish ( fig . 5 ) . Sex ratios were nearly equal ( table 6 ) , with about the same variation as in past years . Table 6 .-- Sex ratio of ...
Página 11
... FALL FISHERY 100 150 200 FEMALES 250 300 350 FORK LENGTH ( MM ) Figure 5 .-- Length frequencies of male and female Atlantic menhaden in samples from purse seine catches , 1962 . BODY WEIGHT ( G. ) Figure 6 .-- Weight composition 11 15.
... FALL FISHERY 100 150 200 FEMALES 250 300 350 FORK LENGTH ( MM ) Figure 5 .-- Length frequencies of male and female Atlantic menhaden in samples from purse seine catches , 1962 . BODY WEIGHT ( G. ) Figure 6 .-- Weight composition 11 15.
Página 24
... Females Both sexes Males Females Both sexes Fork length ( mm . ) : Fork length ( mm . ) : 0 .... 151.8 ( 8 ) 1 ... 2 ... 3 ...... Weight ( g . ) : 0 .... 1 ....... 157.7 ( 454 ) 159.2 ( 429 ) ( 8 ) 151.8 158.4 ( 883 ) 0 ....... 1 ... 2 ...
... Females Both sexes Males Females Both sexes Fork length ( mm . ) : Fork length ( mm . ) : 0 .... 151.8 ( 8 ) 1 ... 2 ... 3 ...... Weight ( g . ) : 0 .... 1 ....... 157.7 ( 454 ) 159.2 ( 429 ) ( 8 ) 151.8 158.4 ( 883 ) 0 ....... 1 ... 2 ...
Página 6
... females-- sizes of eggs , number per individual ( range of 24,000 to 110,000 ; mean of 61,500 ) and its variation with body length and weight , and percentage of unspawned eggs ( estimated at 5.0 ) . APPLEGATE , VERNON C. 195lb . The ...
... females-- sizes of eggs , number per individual ( range of 24,000 to 110,000 ; mean of 61,500 ) and its variation with body length and weight , and percentage of unspawned eggs ( estimated at 5.0 ) . APPLEGATE , VERNON C. 195lb . The ...
Página 7
... female older than the V group were mature . Males dominated the younger age groups , but females were more numer- ous in the 7.
... female older than the V group were mature . Males dominated the younger age groups , but females were more numer- ous in the 7.
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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.
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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.