INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN

Chum salmon in the Amur River basin are represented by two races: summer and fall ones. For the summer race, one population with specific type of spawning grounds is known, but the fall race includes three populations with different types of spawning grounds. In total, four eco-geographical grouping...

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Main Author: S. F. Zolotukhin
Format: Article
Language:Russian
Published: Transactions of the Pacific Research Institute of Fisheries and Oceanography 2019-06-01
Series:Известия ТИНРО
Subjects:
Online Access:https://izvestiya.tinro-center.ru/jour/article/view/469
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author S. F. Zolotukhin
author_facet S. F. Zolotukhin
author_sort S. F. Zolotukhin
collection DOAJ
description Chum salmon in the Amur River basin are represented by two races: summer and fall ones. For the summer race, one population with specific type of spawning grounds is known, but the fall race includes three populations with different types of spawning grounds. In total, four eco-geographical groupings of the species are separated in their reproduction by geographical boundaries of geomorphological zones, as well as temporally and ecologically. Chum salmon do not spawn in the Chinese part of the Amur basin in more than 50 years. In the Russian part, the summer chum salmon spawn completely in the hyporheic waters in late July — August, the major grouping of fall chum (77.1 %) spawns in the spring waters in September-November, other two groupings spawn in the hyporheic waters of the lower Amur in September (20.4 %) and in the spring waters of the lakes near the Amur mouth in October-November (2.5 %).
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spelling doaj.art-c6fa869bf15b4214b78fca9f2ed10aa12023-08-02T07:49:15ZrusTransactions of the Pacific Research Institute of Fisheries and OceanographyИзвестия ТИНРО1606-99192658-55102019-06-011972213410.26428/1606-9919-2019-197-21-34447INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASINS. F. Zolotukhin0Хабаровский филиал ВНИРО (ХабаровскНИРО)Chum salmon in the Amur River basin are represented by two races: summer and fall ones. For the summer race, one population with specific type of spawning grounds is known, but the fall race includes three populations with different types of spawning grounds. In total, four eco-geographical groupings of the species are separated in their reproduction by geographical boundaries of geomorphological zones, as well as temporally and ecologically. Chum salmon do not spawn in the Chinese part of the Amur basin in more than 50 years. In the Russian part, the summer chum salmon spawn completely in the hyporheic waters in late July — August, the major grouping of fall chum (77.1 %) spawns in the spring waters in September-November, other two groupings spawn in the hyporheic waters of the lower Amur in September (20.4 %) and in the spring waters of the lakes near the Amur mouth in October-November (2.5 %).https://izvestiya.tinro-center.ru/jour/article/view/469река амуркетавнутривидовые группировкипопуляциинерестилищатип водоснабжения нерестовых гнезд
spellingShingle S. F. Zolotukhin
INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
Известия ТИНРО
река амур
кета
внутривидовые группировки
популяции
нерестилища
тип водоснабжения нерестовых гнезд
title INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
title_full INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
title_fullStr INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
title_full_unstemmed INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
title_short INTRA-SPECIES GROUPINGS OF CHUM SALMON ONCORHYNCHUS KETA (SALMONIDAE) OF THE AMUR RIVER AND THEIR DISTRIBUTION WITHIN THE BASIN
title_sort intra species groupings of chum salmon oncorhynchus keta salmonidae of the amur river and their distribution within the basin
topic река амур
кета
внутривидовые группировки
популяции
нерестилища
тип водоснабжения нерестовых гнезд
url https://izvestiya.tinro-center.ru/jour/article/view/469
work_keys_str_mv AT sfzolotukhin intraspeciesgroupingsofchumsalmononcorhynchusketasalmonidaeoftheamurriverandtheirdistributionwithinthebasin