Results 11 to 20 of about 16,436 (269)

Hatcheries to High Seas: Climate Change Connections to Salmon Marine Survival [PDF]

open access: yesEcology and Evolution
We investigated variations in the marine survival of Japanese hatchery chum salmon (Oncorhynchus keta) during 25 years of climate change (1998–2023).
Shuichi Kitada   +2 more
doaj   +2 more sources

Genetic assessment of a summer chum salmon metapopulation in recovery. [PDF]

open access: yesEvol Appl, 2014
AbstractPrograms to rebuild imperiled wild fish populations often include hatchery‐born fish derived from wild populations to supplement natural spawner abundance. These programs require monitoring to determine their demographic, biological, and genetic effects.
Small MP   +3 more
europepmc   +4 more sources

Jellyfish in Pacific salmon food

open access: yesИзвестия ТИНРО, 2022
Ctenophores, hydroid jellyfish, appendicularians, salpas, and the pteropoda mollusk Clione limacina, conditionally combined into the group of “jellyfish”, are found in the food of all Pacific salmon — chum salmon, pink salmon, sockeye salmon, coho salmon
A. F. Volkov
doaj   +1 more source

Two Hæmoglobins in Chum Salmon [PDF]

open access: yesNature, 1959
OCCURRENCE of multiple haemoglobins has been reported recently in fish as well as in other vertebrates. In particular, Salmonidae was found electrophoretically to contain fairly close amounts of two or more components1,2. Some physico-chemical properties of the two components of blood haemoglobin in the salmon Oncorhynchus keta, which were prepared ...
K, HASHIMOTO, F, MATSUURA
openaire   +2 more sources

On state of commercial herd of chum salmon Oncorhynchus keta and forecasting its abundance at Iturup Island

open access: yesИзвестия ТИНРО, 2023
Population dynamics and size-age structure are analyzed for the chum salmon herd formed in the Prostor and Kurilsky Bays of Iturup Island (Kuril Islands). Release of chum juveniles into the waters of the bays increased from 10.7.106 ind. in 1996 to 197.6.
A. N. Elnikov, O. V. Zelennikov
doaj   +1 more source

Results of otolith marking of chum salmon Oncorhynchus keta for testing efficiency of their artificial reproduction

open access: yesИзвестия ТИНРО, 2023
Otoliths from 3473 chum salmon spawners caught at the mouth of Naiba River and at Bereznyakovsky and Sokolovsky salmon hatcheries in 2013–2019 are investigated.
A. A. Vorozhtsova   +2 more
doaj   +1 more source

The Migratory Biology and Feeding Habits of Downstream-Migrating Juvenile Chum Salmon Oncorhynchus keta in the Amur River of Northeast China

open access: yesFishes, 2023
The size of chum salmon juveniles is crucial to their survival. In order to understand the population status and migration patterns of juvenile chum salmon in the waters of the Amur River in China, this study investigated the status of juvenile chum ...
Jilong Wang   +4 more
doaj   +1 more source

Delayed high seas migration by chum salmon

open access: gold, 1994
Richard J. Beamish   +2 more
openalex   +2 more sources

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