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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">aari</journal-id><journal-title-group><journal-title xml:lang="ru">Проблемы Арктики и Антарктики</journal-title><trans-title-group xml:lang="en"><trans-title>Arctic and Antarctic Research</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0555-2648</issn><issn pub-type="epub">2618-6713</issn><publisher><publisher-name>Государственный научный центр Российской Федерации Арктический и антарктический научно-исследовательский институт</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.30758/0555-2648-2024-70-1-46-70</article-id><article-id custom-type="elpub" pub-id-type="custom">aari-592</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>ГИДРОЛОГИЯ СУШИ И ГИДРОХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROLOGY OF LAND AND HYDROCHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Адаптация озер полуострова Файлдс  (о. Кинг Джордж, Восточная Антарктида)  к климатическим изменениям и антропогенному воздействию</article-title><trans-title-group xml:lang="en"><trans-title>Adaptation of Fildes Peninsula Lakes  (King George Island, East Antarctica)  to climate change and anthropogenic impacts</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5370-427X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Фёдорова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Fedorova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p><p>Текущий адрес: Институт Ботаники им. А.Л. Тахтаджяна Национальной академии наук Республики Армении, Ереван, Армения</p></bio><bio xml:lang="en"><p>Irina V. Fedorova</p><p> St. Petersburg</p><p>Present Address: Institute of Botany after A.L. Takhtajyan National Academia of Sciences of the Republic of Armenia, Erevan, Armenia</p></bio><email xlink:type="simple">i.fedorova@botany.am</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4463-4024</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чернова</surname><given-names>Е. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Chernova</surname><given-names>E. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Elizaveta S. Chernova</p><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2758-7361</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Евграфова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Evgrafova</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Красноярск</p></bio><bio xml:lang="en"><p>Svetlana Yu. Evgrafova</p><p>Krasnoyarsk</p><p> </p><p> </p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8296-6882</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кадуцкий</surname><given-names>В. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Kadutzkii</surname><given-names>V. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Красноярск</p></bio><bio xml:lang="en"><p>Valeriy K. Kadutzkii</p><p>Krasnoyarsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8721-2142</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прокушкин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Prokushkin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Красноярск</p></bio><bio xml:lang="en"><p>Anatoly S. Prokushkin</p><p>Krasnoyarsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6373-0639</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сидорина</surname><given-names>И. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Sidorina</surname><given-names>I. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Inessa E. Sidorina</p><p>St. Petersburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт леса им. В.Н. Сукачева СО РАН, Федеральный исследовательский центр&#13;
 «Красноярский научный центр» СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sukachev Institute of Forest Siberian Branch of Russian Academia of Sciences, Federal Research Center Krasnoyarsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>31</day><month>03</month><year>2024</year></pub-date><volume>70</volume><issue>1</issue><fpage>46</fpage><lpage>70</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Фёдорова И.В., Чернова Е.С., Евграфова С.Ю., Кадуцкий В.К., Прокушкин А.С., Сидорина И.Е., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Фёдорова И.В., Чернова Е.С., Евграфова С.Ю., Кадуцкий В.К., Прокушкин А.С., Сидорина И.Е.</copyright-holder><copyright-holder xml:lang="en">Fedorova I.V., Chernova E.S., Evgrafova S.Y., Kadutzkii V.K., Prokushkin A.S., Sidorina I.E.</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://www.aaresearch.science/jour/article/view/592">https://www.aaresearch.science/jour/article/view/592</self-uri><abstract><p>В последнее время возрастает нагрузка на оазисы Антарктиды, что ведет к увеличению нагрузки на водные экосистемы озер и водотоков оазисов на фоне потепления климата и таяния краевой части ледника. В данной работе приведены результаты изучения водных экосистем озер полуострова Файлдс (о. Кинг Джордж) в летний период в январе–феврале 2020 г. Помимо результатов гидрологических и гидрохимических исследований представлены данные измерений самоочищающей способности репрезентативных водоемов оазиса и потоков парниковых газов с поверхности озер. Наиболее полноводными являются водотоки, вытекающие с ледника. Озера имеют чаще всего нейтральную реакцию среды; хорошо аэрированы; концентрация биогенных элементов в воде имеет значительные амплитуды; большинство озер по своему гидрохимическому составу относятся к хлоридно-натриевым водам II типа. Оценка самоочищающей способности озер показала способность водоемов в целом справляться с внешними (природными) нагрузками на экосистемы, но не во всех случаях. Отмечается эвтрофирование озер и долин ручьев. В большинстве водотоков и водоемов происходит поглощение углекислого газа (СО2), в некоторых также метана (СН4). Однако для СН4 в основном характерна эмиссия с поверхности водоемов. Полученные результаты позволяют судить об определенной устойчивости озер к климатическим изменениям, но уже можно говорить о том, что пресноводные экосистемы оазиса испытывают значительную антропогенную нагрузку.</p></abstract><trans-abstract xml:lang="en"><p>The load on the Antarctic oases has been recently increasing, with intensive research carried out by various countries and ecological tourism developing. This leads to an increase in the impact on the aquatic ecosystems of the lakes and streams in addition to the warming climate and glacier melting. This paper presents findings from a study of the Fildes Peninsula (King George Island) lakes’ aquatic ecosystems in the summer period of January–February 2020. In addition to results of hydrological and hydrochemical studies, the paper provides data from measurements of the self-cleaning ability of representative oasis lakes, as well as greenhouse gas fluxes from the lakes surface. The water level of the streams decreased 5 times over the summer season, and the water discharge — 10 times. The streams flowing from the glacier have the fullest water. The lakes have a neutral reaction, sometimes weakly alkaline; they are well aerated: the average value of dissolved oxygen in water is 85 %, occasionally supersaturation of up to 137% was observed. The concentration of nutrients in the water has amplitudes that are considerable for Antarctic oases lakes. A significant correlation can only be observed between nitrates and phosphates, and also between the water turbidity and the nutrients’ concentration. Maximum turbidity is observed in lakes with abundant content of bacterial mats. Most of the lakes have hydrochemical type II sodium chloride waters. The assessment of the lake self-cleaning ability using the ratio of destruction and organic matter production showed the general ability of ecosystems to cope with external (natural) pressures on ecosystems, but not in all cases. Eutrophication of the lakes and stream valleys is also noted. Carbon dioxide (CO2) absorption was observed in most of the streams and lakes, in some of them — methane (CH4) absorption as well. However, CH4 is generally emitted from the surface of the lakes. The largest values are recorded for small lakes located on glacial moraines and in places where ornithosoils are present. The agreement of the findings from the hydroecological studies of the Fildes peninsula lakes with those presented earlier by other authors makes it possible to conclude that there is a certain resistance of the lakes to climatic changes, but one can already talk about a significant anthropogenic impact on the freshwater oasis ecosystems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>антарктические оазисы</kwd><kwd>гидрология</kwd><kwd>гидрохимия</kwd><kwd>озера</kwd><kwd>о. Кинг Джордж</kwd><kwd>парниковые  газы</kwd><kwd>полуостров Файлдс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Antarctic oases</kwd><kwd>Fildes peninsula</kwd><kwd>greenhouse gases</kwd><kwd>hydrochemistry</kwd><kwd>hydrology</kwd><kwd>King George  Island</kwd><kwd>lakes</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Результаты анализа данных использованы для выполнения гранта Российского научного фонда (РНФ № 23-27-00201 «Создание электронного атласа озер антарктических оазисов»). Анализ потоков метана проведен при поддержке гранта РНФ № 21-17-00163.</funding-statement><funding-statement xml:lang="en">The results of the data analysis were used to the grant report of the Russian Scientific Foundation (RSF No. 23-27-00201 “Creation of an electronic atlas of Antarctic oases lakes”). Methane flux was analyzed within grant RSF No. 21-17-00163.</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">Bargagli R. Atmospheric chemistry of mercury in Antarctica and the role of cryptogams to assess deposition patterns in coastal ice-free areas. Chemosphere. 2016;163:202–208. https://doi.org/10.1016/j.chemosphere.2016.08.007</mixed-citation><mixed-citation xml:lang="en">Bargagli R. Atmospheric chemistry of mercury in Antarctica and the role of cryptogams to assess deposition patterns in coastal ice-free areas. 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