Results 41 to 50 of about 202 (128)

Lichens of the eastern slope of Berutarube volcano, Iturup Island (the Kuril Islands, Far East of Russia) [PDF]

open access: yesГеосистемы переходных зон
The paper presents an annotated list of lichens of the eastern slope of Berutarube volcano, one of the most inaccessible and poorly studied active volcanoes on Iturup Island.
Ezhkin, Alexander K., Romanyuk, Fedor A.
doaj   +1 more source

Estimation of abundance for the migrating juvenile pink salmon in the rivers of Sakhalin and Iturup Islands in 2024

open access: yesИзвестия ТИНРО
Pink salmon is the leading object of salmon fishery in the Sakhalin-Kuril region. To forecast the status of its stocks, the number of juveniles migrated downstream was counted in the rivers Dagi, Malaya Khuzi, Pugachevka, Voznesenka, Ochepukha, Taranai ...
A. M. Kaev, P. S. Sukhonos
doaj   +1 more source

On fecundity of chum salmon Oncorhynchus keta in the commercial herd at Iturup Island

open access: yesИзвестия ТИНРО, 2023
Absolute fecundity of chum salmon Oncorhynchus keta is investigated for the commercial herd dwelled at Iturup Island. Currently, the herd is formed mostly by fish of hatchery origin but has retained the same species and regional features that ...
A. N. Elnikov, O. V. Zelennikov
doaj   +1 more source

Complex geological-geophysical studies of the underwater volcano 7.10 (Kuril Island Arc)

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле, 2021
Submarine volcano 7.10, which is part of the North Iturup group of submarine volcanoes of the Kuril island arc, was studied in 5 voyages of the research vessel Vulkanolog in 1982–1989.
Блох Ю.И.   +7 more
doaj   +1 more source

Characteristics of adult chum salmon Oncorhynchus keta from the commercial stock at Iturup Island in 2023

open access: yesИзвестия ТИНРО
Adult chum salmon Oncorhynchus keta specimens returning to spawn were caught in the Prostor and Kurilsky Bays of Iturup Island and examined in the period from September 18 to October 31, 2023.
A. N. Elnikov, O. V. Zelennikov
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

Estimating the occurrence of chum salmon Oncorhynchus keta of artificial origin on spawning grounds in the rivers and lakes of Iturup Island

open access: yesИзвестия ТИНРО
Artificial reproduction of pacific salmon has been repeatedly criticized due to negative impact on natural populations. One of its aspects is replacement of wild spawners by spawners originated from hatchery on natural spawning grounds.
M. Yu. Stekolshchikova   +3 more
doaj   +1 more source

Ivan Grozny volcano (Iturup Island, Kuril Islands): material composition of eruption products and current activity

open access: yesВестник Камчатской региональной ассоциации "Учебно-научный центр". Серия: Науки о Земле
The paper presents summary data on the historical activity of Ivan Grozny volcano (Iturup Island, Kuril Islands), including the results of our own studies of solfatar-hydrothermal and eruptive activity of the volcano since 2004.
R.V. Zharkov   +4 more
doaj   +1 more source

“Iturup 2022–2023” expedition: main directions of work and preliminary results [PDF]

open access: yesГеосистемы переходных зон
The paper provides information on the objectives, methods, targets and some preliminary results of the expeditionary work carried out within the framework of the RSF project No.21-17-00049 by the employees of the Institute of Volcanology and Seismology
Philip I. Batanov   +9 more
doaj   +1 more source

THE GENESIS OF THE THERMAL LAKE LOCATED WITHIN THE COASTAL AREA OF ITURUP ISLAND (THE KURILS)

open access: yesГеодинамика и тектонофизика
The 3D model of tectonic fragmentation of the block of rock for the central part of Iturup Island has been developed to clarify the permeable zones of the upper part of the Earth’s crust.
O. R. Khubayeva   +6 more
doaj   +1 more source

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