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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Environmental Dynamics and Global Climate Change</journal-id><journal-title-group><journal-title xml:lang="en">Environmental Dynamics and Global Climate Change</journal-title><trans-title-group xml:lang="ru"><trans-title>Environmental Dynamics and Global Climate Change</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2218-4422</issn><issn publication-format="electronic">2541-9307</issn><publisher><publisher-name xml:lang="en">Yugra State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">685717</article-id><article-id pub-id-type="doi">10.18822/edgcc685717</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Experimental works</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Экспериментальные работы</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">СО<sub>2 </sub> fluxes between clear-cut surface and atmosphere in the protective zone of the Central Forest State Nature Biosphere Reserve</article-title><trans-title-group xml:lang="ru"><trans-title>СО<sub>2 </sub> fluxes between clear-cut surface and atmosphere in the protective zone of the Central Forest State Nature Biosphere Reserve</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name><surname>Tatarinov</surname><given-names>F. A.</given-names></name><address><country country="IL">Israel</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name><surname>Molchanov</surname><given-names>A. G.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name><surname>Ivanov</surname><given-names>D. G.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Mamkin</surname><given-names>V. V.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Avilov</surname><given-names>V. K.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Trusova</surname><given-names>S. N.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff3"/></contrib><contrib contrib-type="author"><name><surname>Kurbatova</surname><given-names>J. A.</given-names></name><address><country country="RU">Russian Federation</country></address><email>fedor.tatarinov@weizmann.ac.il</email><xref ref-type="aff" rid="aff3"/></contrib></contrib-group><aff id="aff1"><institution>Weizmann Institute of science</institution></aff><aff id="aff2"><institution>Institute of forest science of Russian academy of sciences</institution></aff><aff id="aff3"><institution>A.N. Severtsov Institute of Ecology and Evolution of Russian academy of sciences</institution></aff><pub-date date-type="pub" iso-8601-date="2025-11-21" publication-format="electronic"><day>21</day><month>11</month><year>2025</year></pub-date><volume>16</volume><issue>3</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>99</fpage><lpage>111</lpage><history><date date-type="received" iso-8601-date="2025-06-24"><day>24</day><month>06</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Tatarinov F.A., Molchanov A.G., Ivanov D.G., Mamkin V.V., Avilov V.K., Trusova S.N., Kurbatova J.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Tatarinov F.A., Molchanov A.G., Ivanov D.G., Mamkin V.V., Avilov V.K., Trusova S.N., Kurbatova J.A.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Tatarinov F.A., Molchanov A.G., Ivanov D.G., Mamkin V.V., Avilov V.K., Trusova S.N., Kurbatova J.A.</copyright-holder><copyright-holder xml:lang="ru">Tatarinov F.A., Molchanov A.G., Ivanov D.G., Mamkin V.V., Avilov V.K., Trusova S.N., Kurbatova J.A.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://edgccjournal.org/EDGCC/article/view/685717">https://edgccjournal.org/EDGCC/article/view/685717</self-uri><abstract xml:lang="en"><p>Timber harvesting is currently one of the main reasons for the alteration of the natural carbon cycle in forest ecosystems. The evaluation of the related changes in CO<sub>2</sub> fluxes can be complicated by the heterogeneity of vegetation in naturally regrowing clear-cut areas. This study presents the results of experimental measurements of CO<sub>2</sub> fluxes at a clear-cut site in the southwest of the Valdai Upland (European Russia) with herbaceous vegetation and patchy aspen regeneration surrounded by spruce-birch-aspen forest. The measurements of CO<sub>2</sub> flux from soil with herbaceous vegetation were made by the static chamber method. Estimates of total primary production, balance, and CO<sub>2</sub> emissions from undisturbed soils were obtained. The parallel measurements were carried out in various plant communities of the clear-cut area, as well as in a forest stand adjacent to it and similar to the cut one. It is shown that CO<sub>2</sub> emission in the clear-cut was significantly (p = 0.001) higher than in the adjacent forest. For instance, mean daytime midsummer soil CO<sub>2</sub> efflux was 8.3 and 10.7 µmol × m<sup>-2</sup> × s<sup>-1</sup>in the forest and clear-cut area, respectively. During three years of observation soil CO<sub>2</sub> efflux in the clear-cut increased from year to year from 6.9 to 12.3 µmol × m<sup>-2</sup> × s<sup>-1</sup>. The emission fluxes in the clear-cut site are statistically significantly higher in areas with meadow vegetation compared to areas overgrown with woody vegetation, with median values in the last year 11.5 and 7.5 µmol × m<sup>-2</sup> × s<sup>-1</sup>, respectively. The assessment of integration fluxes in the clear-cut area using chamber methods of observation must be carried out considering the heterogeneity of the vegetation cover.</p></abstract><trans-abstract xml:lang="ru"><p>Лесозаготовки в настоящее время являются одной из основных причин нарушения естественного цикла углерода в лесных экосистемах. Оценка связанных с этим изменений потоков CO<sub>2</sub> может быть осложнена гетерогенностью растительности на естественно возобновляющихся вырубках. В данной работе представлены результаты экспериментальных измерений потоков CO<sub>2</sub> на вырубке на юго-западе Валдайской возвышенности (европейская часть России) с травянистой растительностью и очаговым возобновлением осины, окруженной елово-берёзово-осиновым лесом. Измерения газообмена CO<sub>2</sub> почвы с травянистой растительностью проводились с помощью статической камеры. Результаты камерных измерений сопоставлялись с общим экосистемным дыханием, полученным методом турбулентных пульсаций на той же вырубке. Параллельные измерения проводились в различных растительных сообществах вырубки, а также в прилегающем к ней лесном массиве, аналогичном вырубленному. Показано, что эмиссия CO<sub>2</sub> на вырубке была достоверно (p = 0,001) выше, чем в прилегающем лесу. Например, средняя дневная эмиссия CO<sub>2</sub> из почвы в середине лета составила 8,3 и 10,7 мкмоль·м<sup>-2</sup>·с<sup>-1</sup> в лесу и на вырубке соответственно. За три года наблюдений эмиссия CO<sub>2</sub> из почвы на вырубке увеличивалась из года в год с 6,9 до 12,3 мкмоль·м<sup>-2</sup>·с<sup>-1</sup>. Эмиссия CO<sub>2</sub> на вырубке статистически значимо выше на участках с луговой растительностью по сравнению с участками, заросшими древесной растительностью, с медианными значениями за последний год 11,5 и 7,5 мкмоль·м<sup>-2</sup>·с<sup>-1</sup> соответственно. Наблюдалась линейная зависимость эмиссии CO<sub>2</sub> из почвы с общим экосистемным дыханием (r<sup>2</sup>=0,52). Таким образом, проведенное исследование показало, что оценку интеграционных потоков на вырубке с использованием камерных методов наблюдений необходимо проводить с учетом неоднородности растительного покрова.</p></trans-abstract><kwd-group xml:lang="en"><kwd>carbon emission</kwd><kwd>chamber method</kwd><kwd>deforestation</kwd><kwd>herbaceous vegetation</kwd><kwd>soil respiration</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>выбросы углерода</kwd><kwd>камерный метод</kwd><kwd>вырубка лесов</kwd><kwd>травянистая растительность</kwd><kwd>почвенное дыхание</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The study was carried as part of the most important innovative project of national importance «Development of a system for ground-based and remote monitoring of carbon pools and greenhouse gas fluxes in the territory of the Russian Federation, ensuring the creation of recording data systems on the fluxes of climate-active substances and the carbon budget in forests and other terrestrial ecological systems» (№123030300031-6). V. Mamkin and S. Trusova were supported by the state assignment of Ecology and Climate research laboratory of A.N. Severtsov Institute of Ecology and Evolution of RAS (FFER-2025-0001, № 1024100700075-7-1.6.19).</funding-statement><funding-statement xml:lang="ru">The study was carried as part of the most important innovative project of national importance «Development of a system for ground-based and remote monitoring of carbon pools and greenhouse gas fluxes in the territory of the Russian Federation, ensuring the creation of recording data systems on the fluxes of climate-active substances and the carbon budget in forests and other terrestrial ecological systems» (№123030300031-6). V. Mamkin and S. Trusova were supported by the state assignment of Ecology and Climate research laboratory of A.N. 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