Oogamochlamys kurilensis sp. nov. (Chlorophyta, Volvocales) from the Soils of Iturup Island (Sakhalin Region, Russia) [PDF]
A strain of oogamous biflagellate green alga was isolated during a study on soil algal diversity in the Russian Far East (Sakhalin Region, Iturup Island) and examined using an integrative approach.
Vyacheslav Yu. Nikulin +4 more
doaj +2 more sources
Genomic insights into adaptive evolution of Island brown rats (Rattus norvegicus): evidence from Iturup Island in the Russian Far East [PDF]
Background The global spread of Rattus norvegicus has been shaped by human activity and climate change, with island isolation driving unique evolutionary paths.
Ning Liu +6 more
doaj +2 more sources
Remote sensing techniques in the study of structural and geotectonic features of Iturup Island (the Kuril Islands) [PDF]
The article presents structural and geotectonic features of Iturup Island, the largest island in the Greater Kuril Ridge, a unique natural site, which can be considered as a geological reference. The structural and geotectonic analysis carried out on the
Irina V. Talovina +3 more
doaj +3 more sources
Estimating the occurrence of chum salmon Oncorhynchus keta of artificial origin on spawning grounds in the rivers and lakes of Iturup Island [PDF]
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 +3 more sources
Coastal thermal springs in the central part of Iturup island: macro- and microelement composition [PDF]
Based on the results of expeditionary studies (July 2021), geochemical features of thermal waters (natural manifestations and borehole waters) discharging near or directly on the Sea of Okhotsk and Pacific coasts of the central part of Iturup Island were
Kalacheva E.G. +3 more
doaj +3 more sources
New findings to discussion on local versus fluctuating stocks of pink salmon Oncorhynchus gorbuscha [PDF]
Some patterns in dynamics of catch and biological parameters of pink salmon Oncorhynchus gorbuscha returned to the southeastern coast of Sakhalin Island and the Aniva Bay in 2014 (additional peak in the return abundance and unusual increase in relative ...
Alexander M. Kaev, Lev A. Zhivotovsky
doaj +3 more sources
Sockeye salmon of Iturup Island: characteristics of spawners from commercial catches in 2021
Spawners of sockeye salmon caught in northern Iturup and in the Prostor Bay and Kurilsky Bay in July-August, 2021 are investigated. Almost all of them had the age 1.2+ or 1.3+, with prominent prevalence of the former both for females (88.9 %) and males ...
A. N. Elnikov, O. V. Zelennikov
doaj +1 more source
Wave characteristics in the southern part of the Sea of Okhotsk – the area of water transport routes to the southern Kuril Islands [PDF]
This paper describes the results of studying the waves in the southern part of the Sea of Okhotsk on the sea routes between Sakhalin and Iturup islands by means of autonomous wave recorders.
Dmitry P. Kovalev +3 more
doaj +1 more source
Based on comparative study of published Russian and Japanese sources, the article describes the history of the Russian settlement on the island of Urup in 1795–1805.
V. V. Shchepkin
doaj +1 more source
Geological evidence of strong tsunami manifestations on the Iturup Island (Kuril Islands) at last 3500 years [PDF]
The distribution of tsunami deposits in the lacustrine-swamp sections on the Kasatka Bay coast is analyzed. The main objects were a swamp formed on the place of overgrown lagoon-type lake located behind dune ridge, and a low swampy isthmus between ...
Nadezhda G. Razjigaeva +5 more
doaj +1 more source

