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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">vetpress</journal-id><journal-title-group><journal-title xml:lang="ru">Аграрная наука</journal-title><trans-title-group xml:lang="en"><trans-title>Agrarian science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0869-8155</issn><issn pub-type="epub">2686-701X</issn><publisher><publisher-name>Редакция журнала "Аграрная наука"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32634/0869-8155-2024-380-3-109-113</article-id><article-id custom-type="elpub" pub-id-type="custom">vetpress-2989</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>АГРОНОМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>AGRONOMY</subject></subj-group></article-categories><title-group><article-title>Почвы ксерофитных лугов Среднего Подесенья: к вопросам накопления органических веществ и биохимической активности</article-title><trans-title-group xml:lang="en"><trans-title>Soils of xerophytic meadows of the Middle Podesen’ya: on the issues of accumulation of organic substances and biochemical activity</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4969-3189</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Поцепай</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Potsepai</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Светлана Николаевна Поцепай, кандидат сельскохозяйственных наук, доцент института экономики и агробизнеса</p><p>ул. Советская, 2А, Кокино, Выгоничский р-н, Брянская обл., 243365</p></bio><bio xml:lang="en"><p>Svetlana Nikolaevna Potsepai, Candidate of Agricultural Sciences, Associate Professor of the Institute of Economics and Agribusiness</p><p>2А Sovetskaya Str., Kokino, Vygonichy district, Bryansk region, 243365</p></bio><email xlink:type="simple">snpotsepai@yandex.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>Анищенко</surname><given-names>Л. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Anishchenko</surname><given-names>L. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Лидия Николаевна Анищенко, доктор сельскохозяйственных наук, профессор кафедры географии, экологии и землеустройства </p><p>ул. Бежицкая, 14А, Брянск, 241036</p></bio><bio xml:lang="en"><p>Lidiya Nikolaevna Anishchenko, Doctor of Agricultural Sciences, Professor of the Department of Geography, Ecology and Land Management</p><p>14А Bezhitskaya Str., Bryansk, 241036</p></bio><email xlink:type="simple">lanishchenko@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Семышев</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Semyshev</surname><given-names>M. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Михаил Васильевич Семышев, кандидат педагогических наук, доцент, доцент института экономики и агробизнеса</p><p>ул. Советская, 2А, Кокино, Выгоничский р-н, Брянская обл., 243365</p></bio><bio xml:lang="en"><p>Mikhail Vasil’evich Semyshev, Candidate of Pedagogical Sciences Associate Professor Associate Professor at the Institute of Economics and Agribusiness</p><p>2А Sovetskaya Str., Kokino, Vygonichy district, Bryansk region, 243365</p></bio><email xlink:type="simple">mwsemm@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-8295-9252</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Атрошенко</surname><given-names>П. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Atroshenko</surname><given-names>P. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Павел Петрович Атрошенко, аспирант</p><p>ул. Советская, 2А, Кокино, Выгоничский р-н, Брянская обл., 243365</p></bio><bio xml:lang="en"><p>Pavel Petrovich Atroshenko, Postgraduate Student</p><p>2А Sovetskaya Str., Kokino, Vygonichy district, Bryansk region, 243365</p></bio><email xlink:type="simple">bgsha@bgsha.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Брянский государственный аграрный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bryansk State Agrarian University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Брянский государственный университет им. академика И.Г. Петровского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Bryansk State University named after academician I.G. Petrovsky</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>25</day><month>03</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>109</fpage><lpage>113</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Поцепай С.Н., Анищенко Л.Н., Семышев М.В., Атрошенко П.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Поцепай С.Н., Анищенко Л.Н., Семышев М.В., Атрошенко П.П.</copyright-holder><copyright-holder xml:lang="en">Potsepai S.N., Anishchenko L.N., Semyshev M.V., Atroshenko P.P.</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.vetpress.ru/jour/article/view/2989">https://www.vetpress.ru/jour/article/view/2989</self-uri><abstract><sec><title>Актуальность</title><p>Актуальность. Естественные луговые сообщества, относящиеся к группе суходольных, в условиях уменьшения поемности ведущей водной артерии в Брянской области — реки Десны — характеризуются существенными изменениями в режиме хозяйственного использования. Однако значительная часть суходольных лугов используются как пастбищные угодья, поэтому режим их интенсивной эксплуатации изменяет экологические режимы фитоценозов, понижая углероддепонирующие функции. Для ксерофитных (суходольных) лугов естественного происхождения установление запасов почвенного углерода и выявление биохимической и микробиологической активности особенно актуально в свете низкой устойчивости этих сообществ при пастбищной нагрузке и широкого распространения по территории Среднего Подесенья.</p></sec><sec><title>Методы</title><p>Методы. Исследования предусматривали полевые маршрутные исследования и камеральную обработку данных с использованием методов пробных площадок, метода эколого-флористической классификации, метода экологических шкал (по Г. Элленбергу), эколого-химических методов — определения органического углерода, весового метода, биохимической и микробиологической методики для исследований биокосного тела.</p></sec><sec><title>Результаты</title><p>Результаты. Для почв ксерофитных (суходольных) лугов впервые для Среднего Подесенья установлены углеродпоглотительная способность, ферментативная активность для уреазы, каталазы, целлюлазы в зависимости от фитоценотического комплекса. Установлена положительная сильная корреляционная связь с органическим углеродом и среднемесячным количеством осадков в июне, июле, августе. За двухлетний период наблюдений количество Сорг изменялось в ряду сообществ ассоциаций: Festuco ovinae-Koelerium delavignei &gt; контроль &gt; Agrimonio eupatoriae-Poetum angustifoliae &gt; Caro carvi-Deschampsietum &gt; Anthoxantho-Agrostietum tenuis &gt; Hieracio pilosellae-Agrostietum tenuis &gt; Koelerio delavignei-Festucetum rubrae &gt; Anthyllidi-Trifolietum montani &gt; Polygalo vulgaris-Anthoxanthoetum.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Relevance</title><p>Relevance. Natural meadow communities, belonging to the dry meadows group, in the conditions of a decrease in floodplain of the leading water artery in the Bryansk region — the Desna River are characterized by significant changes in the mode of economic use. However, a significant part of dry meadows is used as pasture lands, so the regime of intensive exploitation of these lands significantly changes the ecological regimes of phytocenoses, reducing the carbon-depositing functions. For xerophytic (dry) meadows of natural origin, the establishment of soil carbon reserves, the identification of biochemical and microbiological activity is especially important in the light of the low stability of these communities under pasture load and wide distribution throughout the territory of the Middle Podesen’ya.</p></sec><sec><title>Methods</title><p>Methods. The research provided for field route studies and in-house data processing using the methods of trial sites, the method of ecological and floral classification, the method of ecological scales (according to G. Ellenberg), ecological and chemical methods — determination of organic carbon, the weight method, biochemical and microbiological methods for the study of the biocompatible body.</p></sec><sec><title>Results</title><p>Results. For the soils of xerophytic (dry) meadows, for the first time, carbon-absorbing capacity, enzymatic activity for urease, catalase, cellulase, depending on the phytocenotic complex, has been established for the Middle Podesen’ya. A positive strong correlation has been established with organic carbon and average monthly precipitation in June, July and August. Over a two-year observation period, the amount of total organic carbon in the soil changed in a number of associations communities: Festuco ovinae-Koelerium delavignei &gt; control &gt; Agrimonio eupatoriae-Poetum angustifoliae &gt; Caro carvi-Deschampsietum &gt; Anthoxantho-Agrostietum tenuis &gt; Hieracio pilosellae-Agrostietum tenuis &gt; Koelerio delavignei-Festucetum rubrae &gt; Anthyllidi-Trifolietum montani &gt; Polygalo vulgaris-Anthoxanthoetum.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>органический углерод почвы</kwd><kwd>почвенные ферменты</kwd><kwd>естественные луга</kwd><kwd>суходольные ксерофитизированные луга</kwd><kwd>Брянская область</kwd></kwd-group><kwd-group xml:lang="en"><kwd>soil organic carbon</kwd><kwd>soil enzymes</kwd><kwd>natural meadows</kwd><kwd>dry xerophytized meadows</kwd><kwd>Bryansk region</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Анищенко Л.Н., Поцепай С.Н., Справцев А.А., Васькина Т.И., Семышев М.В., Сычев С.М. 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