Solovyeva M.A.- Severtsov Institute of Ecology and Evolution
Solovyeva M.A.
- Severtsov Institute of Ecology and Evolution
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33
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Introduction
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Publications
Publications (33)
Genetic diversity of neutral markers (15 microsatellite loci) was assessed for the first time in two landlocked seal species, the Baikal seal Pusa sibirica and Caspian seal P. caspica, and compared with that in the oceanic species ringed seal P. hispida of the same genus. Lower genetic diversity was observed in both of the landlocked seal species,...
The allelic diversity of exon 2 (DQB gene) and exon 3 (DRB gene) of major histocompatibility complex class II was studied for the first time in two species of the landlocked pinnipeds, Baikal (N = 79) and Caspian (N = 32) seals, and these were in compared with the widespread Arctic species, the ringed seal (N = 13). The analysis of the second exon...
Measuring hair cortisol concentrations is a widespread method of hormonal research in natural populations. In particular, it has increasingly been used for assessing the chronic physiological stress over long time periods. This study showed for the first time the experience of using hair of Baikal seals to examine their hormonal status. We collecte...
To develop a method for monitoring the condition of Baikal seals (Pusa sibirica Gmelin 1788) and to count their numbers in summer haul-outs using an unmanned aerial vehicle (UAV) in July–August 2020 and 2021 on the islands of Tonkiy, Kruglyi and Dolgiy (the Ushkany Islands archipelago), visual surveys and surveys with UAVs were carried out. The max...
Tissue contamination with persistent organic pollutants (POPs) in organisms proved possible to comprehensively characterize in a single test by combining gas chromatography and high-resolution accurate mass spectrometry. Adipose tissue samples were collected from two Caspian seals (Pusa caspica Gmelin, 1788) found dead on the Caspian Sea shore in 2...
Forestalling the decline of global biodiversity requires urgent and transformative action at all levels of government and society, particularly in the Arctic Ocean and adjacent seas where rapid changes are already underway. Amid growing scientific support and mounting pressure, the majority of nations have committed to the most ambitious conservati...
The aim of this research was to assess the current abundance of the Caspian seal population on ice in the Russian part of the North Caspian using instrumental methods of aerial survey in the infrared and optical ranges using a manned aircraft and UAV.
The main method of the research was a multispectral aerial survey, the essence of which is to surv...
We present a spatial analysis of Baikal seal location data acquired using satellite telemetry. We assessed the role of environmental factors in location preferences of seals, including water depth, distance to shore, as well as satellite-derived surface temperature, chlorophyll content and turbidity. Seals were found to move to open-water, further...
Nucleotide sequence diversity in two mtDNA loci (the cytochrome b gene and the control region) was for the first time studied in the Baikal seal Pusa sibirica with the use of several spatiotemporal samples. The population was found to be evolutionarily young and to be in the stage of demographic expansion.
For the first time, the diversity of nucleotide sequences of different mtDNA loci (the cytochrome b gene and the control region) of the Baikal seal (Pusa sibirica) based on of several spatio-temporal samples was studied. It is shown that in the evolutionary time scale the population formed recently and is in the stage of demographic expansion.
The aim of this research was to assess the scale and determine the possible reasons of the death of Caspian seals (Pusa caspica), that were washed up by a storm on the coast of the Republic of Dagestan in early December 2020. The corpses of seals were found on the Dagestan coast from the mouth of the Terek River to the southern outskirts of Derbent...
In this article presented new data about movements activity of the Baikal seal (Pusa sibirica) — endemic of the Lake Baikal, obtained using satellite telemetry from July 2019 to March 2020. The average distances during the day was 9.9 ± 2.7 SE km for females, 17.0 ± 2.1 km for males, range of movements during the observation period was up to 5459 k...
Впервые методом спутниковой телеметрии проведено изучение использования половозрелым самцом ладожской нерпы (Pusa hispida ladogensis) акватории Ладожского озера в осенне-зимний период.
Все время прослеживания (с ноября 2017 г. по февраль 2018 г.) тюлень активно перемещался только
в юго-восточной части озера, периодически заходя в устьевые участки к...
For the first time, satellite telemetry has been used to study migrations of a mature male of the
Ladoga seal (Pusa hispida ladogensis). During the entire period of tracking (from November 2017 to February
2018), the seal moved only in the southeastern part of Lake Ladoga, occasionally entering the estuaries of
larger rivers. These areas are highly...
3.11.2017 г. до 3.02.2018 г. (92 дня). В анализ вошло 664 локации-7,6 (SD=3,4) в сутки. Тюлень активно использовал акваторию южной и юго-восточной частей озера и не заходил в его северную часть. Фактором, наиболее влияющим на перемещения тюленя, оказался ледовый покров. Наиболее используемыми (ключевыми) участками акватории в период до начала стано...
Настоящий Атлас знакомит читателей c морскими млекопитающими морей Арктики и Дальнего Востока России. В главах, предваряющих описания видов, представлена информация о климатических и океанографических особенностях морей, истории изучения, проблемах охраны и использования морских млекопитающих и основных методах их изучения. Издание подготовлено ООО...
