Results 11 to 20 of about 239,898 (203)

Density‐dependent marine survival of hatchery‐origin Chinook salmon may be associated with pink salmon

open access: yesEcosphere, 2020
Understanding how protected species influence the population dynamics of each other is an essential part of ecosystem‐based management. Chinook salmon (Oncorhynchus tshawytscha) are critical prey for endangered southern resident killer whales (SRKWs ...
Neala W. Kendall   +2 more
doaj   +1 more source

Abundance and some parameters of reproduction for pink salmon Oncorhynchus gorbuscha on Sakhalin coast of the Tatar Strait

open access: yesИзвестия ТИНРО, 2023
Annual data on biomass and number of pink salmon in catches, mainly landed from their feeding aggregations by trap nets, are presented for the Sakhalin coast of the Tatar Strait in 2003–2022. Number of the spawners entered to the rivers of this coast and
A. M. Kaev, L. V. Romasenko
doaj   +1 more source

Comparative characteristics of growth of the scales from pink salmon in returns to Sakhalin Island (southeast coast) and Iturup Island in 2017 and 2018

open access: yesИзвестия ТИНРО, 2020
Iturup Island (in southern Kuril Islands) and southeastern Sakhalin Island are known by the highest catches of salmons within the Sakhalin-Kuril region. The timing of pink salmon mass return to Iturup is 5–10 days later than to Sakhalin, and the females ...
A. M. Kaev, L. V. Romasenko, D. A. Kaev
doaj   +1 more source

SNP-based discrimination of pink salmon stocks of the Sea of Okhotsk basin: resolution of the approach and possible ways to increase it

open access: yesFrontiers in Marine Science, 2023
In this work, we studied the intraspecific polymorphism of pink salmon, Oncorhynchus gorbuscha (Walbaum, 1792), the least genetically explored species among Pacific salmon and one of the central fisheries objects in the Russian Far East.
Daria A. Zelenina   +5 more
doaj   +1 more source

TO THE METHODOLOGY FOR SEPARATION OF MIGRATING POPULATION COMPLEXES OF THE OKHOTSK SEA PINK SALMON IN THE PACIFIC WATERS AT KURIL ISLANDS USING THE GONAD-SOMATIC INDEX

open access: yesИзвестия ТИНРО, 2020
New method is proposed for operational differentiation of pink salmon runs with different time of spawning and different state of gonads measured quantitatively with a gonad-somatic index.
E. A. Shevlyakov   +3 more
doaj   +1 more source

Dynamics of abundance and intrapopulation structure of pink salmon at the western and northeastern coasts of Kamchatka

open access: yesИзвестия ТИНРО, 2022
Interannual changes of the pink salmon abundance at the western and northeastern coasts of Kamchatka are analyzed. Local stocks with certain patterns of the abundance dynamics are revealed.
E. A. Shevlyakov, N. A. Dederer
doaj   +1 more source

DECREASING OF THE PINK SALMON (ONCORHYNCHUS GORBUSCHA) ABUNDANCE IN SAKHALIN-KURIL REGION AS CONSEQUENCE OF EXTREME ENVIRONMENTAL FACTORS IMPACT

open access: yesИзвестия ТИНРО, 2018
The pink salmon abundance dynamics is considered for Sakhalin-Kuril region in 2007–2016. The year-classes of pink salmon originated from Iturup Island and four areas of eastern Sakhalin became weaker if they were affected by typhoons during their ...
A. M. Kaev
doaj   +1 more source

Growth features for pink salmon Oncorhynchus gorbuscha in generations with different survival rate in the marine period of life

open access: yesИзвестия ТИНРО, 2021
There is believed in classical fishery ichthyology, that slower growth can be a reason for decreasing of fish abundance. A sharp decrease occurred recently in the pink salmon abundance on the eastern coast of Sakhalin Island that inspired this study of ...
A. M. Kaev
doaj   +1 more source

Structure and Function of a Multi‐Megadalton Virus‐Like Proteolytic Dodecahedron

open access: yesAngewandte Chemie, EarlyView.
Zuzalysin, a virulence metallopeptidase of the periodontal pathogen Porphyromonas gingivalis, is secreted as a latent, flexible ≈95‐kDa monomer. Calcium triggers cysteine‐switch activation and hierarchical assembly into pentamers, bipentamers, tripentamers, and a ≈5.6‐MDa, ≈355‐Å dodecahedron. Structures at 1.8–3.6 Å reveal a virus‐sized catalytic cage
Mariusz Madej   +20 more
wiley   +2 more sources

Survival of Kamchatka pink salmon as result of combined influence of density regulation and environmental factors

open access: yesИзвестия ТИНРО, 2015
Dynamics of stock abundance and survival is similar for the pink salmon populations from East Kamchatka and West Kamchatka, obviously because of the same large-scale environmental factors influence, as the Pacific Decadal Oscillation (PDO) and the ...
Mark G. Feldman, Eugeny A. Shevlyakov
doaj   +1 more source

Home - About - Disclaimer - Privacy