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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">isplta</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Санкт-Петербургской лесотехнической академии</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-4304</issn><issn pub-type="epub">2658-5871</issn><publisher><publisher-name>СПбГЛТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21266/2079-4304.2025.256.198-212</article-id><article-id custom-type="elpub" pub-id-type="custom">isplta-648</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>ЛЕСНОЕ ХОЗЯЙСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FORESTRY</subject></subj-group></article-categories><title-group><article-title>Свойства гидрогелей и факторы внешней среды, влияющие на скорость их деградации</article-title><trans-title-group xml:lang="en"><trans-title>Properties of Hydrogels and Environmental Factors Affecting Their Degradation Rate</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2091-905X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пожарская</surname><given-names>О. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Pozharskaya</surname><given-names>O. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ПОЖАРСКАЯ Олеся Дмитриевна – аспирант кафедры общей экологии, анатомии и физиологии растений; младший научный сотрудник </p><p>194024, Институтский пер., д. 5, Санкт-Петербург</p><p>199034, Университетская наб., д. 5, Санкт-Петербург</p></bio><bio xml:lang="en"><p>POZHARSKAYA Olesya D. – PhD student of the Ecology, Anatomy and Physiology of Plants Department; research assistant </p><p>194021. Institute per. 5. St. Petersburg</p><p>199034. Universitetskaya emb. 5. St. Petersburg</p></bio><email xlink:type="simple">olesyapozharskaya@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>Хомяков</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Khomyakov</surname><given-names>Yu. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ХОМЯКОВ Юрий Викторович – доцент кафедры общей экологии, анатомии и физиологии растений; заведующий лабораторией биохимии почвенно-растительных систем </p><p> 194024, Институтский пер., д. 5, Санкт-Петербург</p><p>195220, Гражданский пр., д. 14, Санкт-Петербург</p><p>AuthorID: 601515</p></bio><bio xml:lang="en"><p>KHOMYAKOV Yuriy V. – Associate Professor of the Ecology, Anatomy and Physiology of Plants Department; head of the Laboratory of Biochemistry of Soil and Plant Systems </p><p>194021. Institute per. 5. St. Petersburg</p><p>195220. Grazhdanskiy av. 14. St. Petersburg</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный лесотехнический университет имени С.М. Кирова; Санкт-Петербургский научный центр РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St.Petersburg State Forest Technical University; St. Petersburg Research Center of the Russian Academy of Science</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный лесотехнический университет имени С.М. Кирова; Агрофизический НИИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>St.Petersburg State Forest Technical University; Agrophysical Research Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>12</day><month>03</month><year>2026</year></pub-date><volume>0</volume><issue>256</issue><fpage>198</fpage><lpage>212</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пожарская О.Д., Хомяков Ю.В., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Пожарская О.Д., Хомяков Ю.В.</copyright-holder><copyright-holder xml:lang="en">Pozharskaya O.D., Khomyakov Y.V.</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://izvestiya-lta.spbftu.ru/jour/article/view/648">https://izvestiya-lta.spbftu.ru/jour/article/view/648</self-uri><abstract><p>Водный дефицит является глобальной проблемой для многих сфер деятельности, включая сельское хозяйство и лесомелиоративные работы, которые необходимы для улучшения водного режима почв, уменьшения эрозии и увеличения содержания органического вещества в почве. Сельское хозяйство и лесомелиорация нуждаются в технологиях улучшения водообеспеченности культур и саженцев после пересадки. В качестве такой технологии используют суперабсорбирующие полимеры, или гидрогели. Область применения гидрогелей достаточно широкая: помимо перечисленного, они используются в медицине, строительстве, для очистки сточных вод и рекультивации. Находясь в корнеобитаемом слое, гидрогель накапливает влагу, а затем продолжительное время высвобождает ее, тем самым поддерживая водный баланс прикорневой зоны. Необходимо понимать, что гидрогель, внесенный в почву, остается там настолько, насколько он устойчив к микробиологическому разложению. При этом, оставаясь в почве, гидрогель может утратить свои свойства набухания, то есть потенциально может храниться в почве долгое время, потеряв свои свойства, и придется добавлять новую дозу гидрогеля. Учитывая продолжающееся применение гидрогеля и его постоянное попадание в окружающую среду, особенно в почву, крайне важно знать об устойчивости гидрогеля к биодеградации. Поскольку наше текущее понимание фрагментации гидрогелей в почве ограничено и часто основано на теоретических соображениях, крайне важно исследовать конкретные условия окружающей среды, а также свойства самих гидрогелей, которые определяют его судьбу в почве и его влияние на функционирование экосистемы.</p></abstract><trans-abstract xml:lang="en"><p>Water scarcity represents a critical global issue for many areas of activity, including agriculture and forest reclamation, both of which are pivotal for optimizing soil water regimes, mitigating erosion and enhancing soil organic matter content. For instance, forest reclamation activities require advanced technologies to improve water availability for transplanted seedlings. One such approach involves the application of superabsorbent polymers, commonly referred to as hydrogels. Hydrogels exhibit a broad spectrum of applications, spanning medicine, agriculture, construction, wastewater treatment, and land reclamation. Within the root zone, hydrogels function as moisture reservoirs, absorbing water and releasing it gradually over extended periods, thereby stabilizing the water balance in the rhizosphere. However, it is critical to acknowledge that once introduced into the soil, hydrogels persist for a duration dictated by their resistance to microbial degradation. Over time, they may lose their swelling capacity, potentially remaining in the soil in a degraded state, necessitating the periodic supplementation of new hydrogel doses. Given the continued utilization of hydrogels and their recurrent introduction into the environment, particularly into soils, it is imperative to evaluate their resistance to biodegradation. Considering that our current knowledge regarding hydrogel fragmentation in soils is limited and predominantly theoretical, it is essential to investigate specific environmental conditions and properties of the hydrogels themselves, that govern the fate of hydrogels in soil systems and their implications for ecosystem functionality.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водный дефицит</kwd><kwd>гидрогель</kwd><kwd>почва</kwd><kwd>микроорганизмы</kwd><kwd>биодеградация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>water scarcity</kwd><kwd>hydrogel</kwd><kwd>soil</kwd><kwd>microorganisms</kwd><kwd>biodegradation</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">Асаматдинов, А.О. 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