Возрастной состав чукотской нерки Oncorhynchus nerka
Известия ТИНРО (Тихоокеанского научно-исследовательского рыбохозяйственного центра), 2014 Long-term data on age composition for Chukchi populations of sockeye salmon are presented. Spawners of 23 ages are recognized in the period 1970-2013 for 10 populations: 2+, 3+, 0.1+, 0.2+, 0.3+, 0.4+, 0.5+, 1.1+, 1.2+, 1.3+, 1.4+, 1.5+, 2.1+, 2.2+, 2.3+, 2.4+, 2.5+, 3.1+, 3.2+, 3.3+, 3.4+, 4.2+, and 4.3+. The brood stock basis is formed by fiveand six-
openaire +1 more source
Satellite-Based Time Series of Chlorophyll in Chilko Lake, British Columbia, Canada
Canadian Journal of Remote Sensing, 2019 In Canada, many northern lakes are remote and difficult to access, with limited limnological data. Satellite sensors provide widespread coverage and growing time series of data unavailable via conventional sampling, but global validation is still limited.
Leslie N. Brown +6 more
doaj +1 more source
Effects of an Inert, Palatable Resource Subsidy on Live Prey Selection by Juvenile Fish [PDF]
, 2012 Resource subsidies, defined as energy and nutrients that enter ecosystems from external sources, can have diverse and complex effects on consumer populations.
Yang, Xiaoxue
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Population structure of chum salmon (Oncorhynchus keta) across the Pacific Rim, determined from microsatellite analysis [PDF]
, 2009 The Pacific Rim population structure of chum salmon (Oncorhynchus keta) was examined with a survey of microsatellite variation to describe the distribution of genetic variation and to evaluate whether chum salmon may have originated from two or more ...
Beacham, Terry D. +3 more
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Transcriptional Response to Acute Thermal Exposure in Juvenile Chinook Salmon Determined by RNAseq. [PDF]
, 2015 Thermal exposure is a serious and growing challenge facing fish species worldwide. Chinook salmon (Oncorhynchus tshawytscha) living in the southern portion of their native range are particularly likely to encounter warmer water due to a confluence of ...
Baerwald, Melinda R +6 more
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Effect of Edwardsiella ictaluri Infection on Plasma Corticosterone Levels in Channel Catfish (Ictalurus punctatus) [PDF]
, 1984 Channel catfish (Ictalurus punctatus) were innoculated with a new host specific bacterium, Edwardsiella ictaluri, to observe the influence of bacterial infection on plasma corticosterone levels at various temperatures.
Beadles, John K. +2 more
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Extinction by Miscalculation: [PDF]
Species at Risk Act, Sakinaw sockeye, Cultus sockeye, fisheries management, extinction.
Barbara Roberts +5 more
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Pacific Salmon, Oncorhynchus spp., and the Definition of "Species" Under the Endangered Species Act [PDF]
, 1991 For purposes ofthe Endangered Species Act (ESA), a "species" is defined to include "any distinct population segment of any species of vertebrate fish or wildlife which interbreeds when mature. "Federal agencies charged with carrying out the provisions of
Waples, Robin S.
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Lohenkalastuksen kantakohtaiset säätelyjärjestelmät : Kirjallisuuskatsaus [PDF]
, 2016 Atlantin ja Tyynenmeren lohikannat ovat taantuneet viime vuosikymmeninä monista syistä, mm. merellä tapahtuneen voimakkaan sekakantakalastuksen takia. Merikalastusta onkin monin paikoin rajoitettu tai se on lopetettu kokonaan, jotta lohikannat elpyisivät.
Erkinaro, Jaakko +3 more
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Surface ocean currents and distribution of organisms [PDF]
, 2011 Morske struje su stalna gibanja mora, a rezultat su kombiniranog djelovanja vjetra, temperature i saliniteta. Iako poput valova i struje djeluju na gibanje čestica u moru, one ipak nemaju takvu snagu kojom bi mogle oštetiti organizme.
Homan, Dora
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