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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">resar</journal-id><journal-title-group><journal-title xml:lang="ru">Природные ресурсы Арктики и Субарктики</journal-title><trans-title-group xml:lang="en"><trans-title>Arctic and Subarctic Natural Resources</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2618-9712</issn><issn pub-type="epub">2686-9683</issn><publisher><publisher-name>Академия наук Республики Саха (Якутия)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31242/2618-9712-2024-29-4-618-627</article-id><article-id custom-type="elpub" pub-id-type="custom">resar-601</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Биологические науки. Экология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Biological sciences. Ecology</subject></subj-group></article-categories><title-group><article-title>Температура тела и ритмика спячки бурундука Eutamias sibiricus в различных диапазонах окружающих температур</article-title><trans-title-group xml:lang="en"><trans-title>The body temperature and hibernation pattern of the chipmunk Eutamias sibiricus across various ambient temperature ranges</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1246-3275</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ануфриев</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Anufriev</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ануфриев Андрей Иванович, доктор биологических наук, главный научный сотрудник</p><p>Scopus Author ID: 7003764282</p><p>г. Якутск</p></bio><bio xml:lang="en"><p>Anufriev Andrey Ivanovich, Dr. Sci. (Biol.), Chief Researcher</p><p>Scopus Author ID: 7003764282</p><p>Yakutsk</p></bio><email xlink:type="simple">anufry@ibpc.ysn.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ядрихинский</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Yadrikhinsky</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ядрихинский Валерий Федорович, кандидат сельскохозяйственных наук, профессор</p><p>г. Якутск</p></bio><bio xml:lang="en"><p>Yadrikhinsky Valery Fedorovich, Cand. Sci. (Agr.), Professor</p><p>Yakutsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт биологических проблем криолитозоны СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute for Biological Problems of Cryolithozone, Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Арктический государственный агротехнологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Arctic State Agrotechnological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2024</year></pub-date><volume>29</volume><issue>4</issue><fpage>618</fpage><lpage>627</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ануфриев А.И., Ядрихинский В.Ф., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Ануфриев А.И., Ядрихинский В.Ф.</copyright-holder><copyright-holder xml:lang="en">Anufriev A.I., Yadrikhinsky V.F.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://resar.elpub.ru/jour/article/view/601">https://resar.elpub.ru/jour/article/view/601</self-uri><abstract><p>Целью работы является изучение хода зимней спячки сибирского бурундука в широком температурном диапазоне, выявление оптимальной для спячки температур среды и способности к зимовке при относительно низких окружающих температурах. Перед периодом спячки в конце августа трем зверькам, у которых выполнены наблюдения за температурой тела, были проведены операции по хирургическому вживлению термохронов – температурных накопителей DS-1922L-F5. Ритмику спячки четырех бурундуков проводили по изменению температуры в подстилке гнезда,зимовальных домиках зверьков. После перевода зверька в подземную лабораторию, где температура среды была –4 °С, градиент между температурами тела и среды вырос почти на 8 °С, а с понижением температуры среды увеличился до 12÷ 14 °С. Снизилась продолжительность периодов гипотермии, возросла частота пробуждений. Минимальная температура тела была не ниже 1о . Наиболее продолжительные периоды гипотермии отмечены у зверьков в диапазоне температур от –4 до 4 °С, достигая 226 ÷283 ч (9,4–11,8 сут.). Средняя продолжительность интервалов гипотермии за спячку у двух бурундуков, зимовавших при температурах ниже –6 °С, была 73 и 99 ч, у остальных особей 174÷188 ч. Зимняя спячка бурундука в Якутии оптимально проходит в температурном диапазоне от –4÷–6 °С до 5–6 °С. При температурах среды выше 12–14 °С спячка прекращается. Температура среды ниже –6÷–10 °С способствует изменению ритмики спячки, продолжительность интервалов гипотермии становится минимальной, как и при высоких положительных температурах. Полученные материалы, несомненно, расширяют представления о способности к зимней спячки относительно мелких млекопитающих при низких (до –10 °С) температурах среды. Данные могут быть использованы при сравнительном изучении зимней спячки относительно мелких, до 100 г, зимоспящих млекопитающих (хомячки, сони).</p></abstract><trans-abstract xml:lang="en"><p>The aim of this research was to investigate the hibernation pattern of the Siberian chipmunk across a broad range of temperatures, to determine the optimal temperature for hibernation, and to assess their ability to hibernate in relatively low environmental temperatures. In late August, three chipmunks had thermochron temperature sensors (DS-1922L-F5) surgically implanted to monitor their body temperature. The hibernation cycles of four chipmunks were studied by altering the temperature in their nesting materials. When the animals were moved to an underground lab with a temperature of –4 °C, the difference between their body temperature and the surrounding temperature increased by nearly 8 °C, reaching 12 °C to 14 °C as the ambient temperature dropped further. The length of hypothermia periods decreased while the frequency of awakenings increased. The lowest recorded body temperature was at least 1 °C. The longest hypothermia durations occurred in chipmunks exposed to temperatures between –4 °C and 4 °C, lasting 226 to 283 hours (9.4 to 11.8 days). For two chipmunks hibernating at temperatures below –6 °C, the hypothermia intervals averaged 73 and 99 hours, while other individuals had intervals of 174 to 188 hours. The optimal hibernation temperature range for chipmunksin Yakutia is between –4 °C to –6 °C and +5 °C to +6 °C. Hibernation ceases at ambient temperatures above 12 °C to 14 °C. When temperatures drop below –6 °C to –10 °C, the hibernation rhythm changes, resulting in shorter hypothermia intervals,similar to those observed at higher positive temperatures. Thisresearch enhances our understanding of how relatively small mammals can hibernate in low ambient temperatures (down to –10 °C). The findings may also be relevant for comparative studies on the hibernation of other small winter-hibernating mammals, such as hamsters and dormice, weighing up to 100 grams.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сибирский бурундук</kwd><kwd>зимняя спячка</kwd><kwd>температура тела</kwd><kwd>температура среды</kwd><kwd>ритмика спячки</kwd><kwd>гипотермия</kwd><kwd>нормотермия</kwd><kwd>временная организация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Siberian chipmunk</kwd><kwd>hibernation</kwd><kwd>body temperature</kwd><kwd>ambient temperature</kwd><kwd>hibernation rhythm</kwd><kwd>hypothermia</kwd><kwd>normothermy</kwd><kwd>temporary organization</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследования финансированы в рамках базового проекта ИБПК СО РАН «Популяции и сообщества животных водных и наземных экосистем криолитозоны восточного сектора российской Арктики и Субарктики: разнообразие, структура и устойчивость в условиях естественных и антропогенных воздействий» (код научной темы № FWRS-2021-0044; номер гос. регистрации в ЕГИСУ № 121020500194-9).</funding-statement><funding-statement xml:lang="en">This study was conducted within the framework of the basic project of the Institute for Biological Problems of Cryolithozone SB RAS “Populations and animal communities of aquatic and terrestrial ecosystems of the cryolithozone of the eastern sector of the Russian Arctic and Subarctic: diversity, structure and stability under natural and anthropogenic influences” (theme No. FWRS- 2021-0044; registration No. 121020500194-9).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Тавровский В.А., Егоров О.В., Кривошеев В.Г. и др. 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