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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">uzakuesc</journal-id><journal-title-group><journal-title xml:lang="ru">Ученые записки Казанского университета. Серия Естественные науки</journal-title><trans-title-group xml:lang="en"><trans-title>Uchenye Zapiski Kazanskogo Universiteta Seriya Estestvennye Nauki</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2542-064X</issn><issn pub-type="epub">2500-218X</issn><publisher><publisher-name>Kazan (Volga Region) Federal University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/2542-064X.2024.3.476-494</article-id><article-id custom-type="elpub" pub-id-type="custom">uzakuesc-165</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Эколого‑геохимическая оценка состояния территории города Уфы по данным изучения листьев тополя (Populus balsamifera L.)</article-title><trans-title-group xml:lang="en"><trans-title>Ecological and Geochemical Assessment of the Urban Environment in the Ufa City Based on the Study of Poplar Leaves (Populus balsamifera L.)</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Гончаров</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Goncharov</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Гончаров Гавриил Александрович, инженер отделения геологии Инженерной школы природных ресурсов</p><p>пр. Ленина, д. 30, г. Томск, 634050.</p></bio><bio xml:lang="en"><p>Tomsk, 634050.</p></bio><email xlink:type="simple">gavriil.goncharov@gmail.com</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>Соктоев</surname><given-names>Б. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Soktoev</surname><given-names>B. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Соктоев Булат Ринчинович, кандидат геолого-минералогических наук, доцент отделения геологии Инженерной школы природных ресурсов,</p><p>пр. Ленина, д. 30, г. Томск, 634050.</p></bio><bio xml:lang="en"><p>Tomsk, 634050.</p></bio><email xlink:type="simple">bulatsoktoev@tpu.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>Ляпина</surname><given-names>Е. Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Lyapina</surname><given-names>E. E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ляпина Елена Евгеньевна, кандидат геолого-минералогических наук, старший научный сотрудник лаборатории физики климатических систем,</p><p>пр. Академический, д. 10/3, г. Томск, 634055.</p></bio><bio xml:lang="en"><p>Tomsk, 634055.</p></bio><email xlink:type="simple">eeldv@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>Фархутдинов</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Farhutdinov</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фархутдинов Исхак Мансурович, кандидат геолого-минералогических наук, доцент, ученый секретарь,</p><p>ул. Моховая, стр. 11, г. Москва, 125009.</p></bio><bio xml:lang="en"><p>Moscow, 125009.</p></bio><email xlink:type="simple">iskhakgeo@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский Томский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tomsk Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт мониторинга климатических и экологических систем Сибирского отделения Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Государственный геологический музей им. В.И. Вернадского Российской академии наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Vernadsky State Geological Museum, 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>22</day><month>09</month><year>2024</year></pub-date><volume>166</volume><issue>3</issue><fpage>476</fpage><lpage>494</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гончаров Г.А., Соктоев Б.Р., Ляпина Е.Е., Фархутдинов И.М., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Гончаров Г.А., Соктоев Б.Р., Ляпина Е.Е., Фархутдинов И.М.</copyright-holder><copyright-holder xml:lang="en">Goncharov G.A., Soktoev B.R., Lyapina E.E., Farhutdinov I.M.</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://uzakuesc.elpub.ru/jour/article/view/165">https://uzakuesc.elpub.ru/jour/article/view/165</self-uri><abstract><p>Актуальность изучения эколого-геохимического состояния городской среды обитания заключается в необходимости ее устойчивого развития, обеспечения условий для сохранения здоровья населения, а также защиты окружающей среды. Проведена оценка эколого-геохимического состояния окружающей среды на территории г. Уфы по данным изучения элементного состава листьев тополя (Populus balsamifera L.) с применением инструментального нейтронно-активационного анализа, атомно-абсорбционной спектроскопии, сканирующей электронной микроскопии и картографирования (пространственное распределение индикаторных геохимических показателей и содержания приоритетных химических элементов). По результатам проведенного исследования выделены основные элементы-загрязнители (As, Br, Cr, Zn, Co, La, Ce, Nd и Ta), поступление которых связано с деятельностью предприятий нефтепереработки, теплоэнергетики и машиностроения. Влияние техногенных источников проявляется также в микроминеральных фазах на поверхности листьев: нефтепереработка и нефтехимия – фосфаты редкоземельных элементов, машиностроение – металлы в самородной форме (W, Ti), участки с повышенной транспортной нагрузкой – интерметаллиды (Cr-Ni, Ni-Cr-Fe).</p></abstract><trans-abstract xml:lang="en"><p>Assessing the ecological and geochemical state of urban areas is important for ensuring their sustainable development, maintaining public health, and protecting the natural environment. In this article, the ecological and geochemical features of the Ufa city were studied by investigating the elemental composition of poplar leaves (Populus balsamifera L.) using instrumental neutron activation analysis, atomic absorption spectroscopy, scanning electron microscopy, and mapping (spatial distribution of geochemical indicators and concentrations of key chemical elements). The main pollutants (As, Br, Cr, Zn, Co, La, Ce, Nd, and Ta) from oil refining, heat power engineering, and machine building industry were identified. Depending on the source of anthropogenic activity, various micro-mineral phases on the surface of poplar leaves were found: rare earth phosphates associated with oil refining and petrochemical industry, native metals (W, Ti) resulting from machine building, and intermetallic compounds linked to the areas with heavy traffic (Cr-Ni, Ni-Cr-Fe).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>биоиндикация</kwd><kwd>листья тополя</kwd><kwd>Уфа</kwd><kwd>эколого-геохимическая оценка</kwd><kwd>металлообработка</kwd><kwd>нефтехимический комплекс</kwd></kwd-group><kwd-group xml:lang="en"><kwd>bioindication</kwd><kwd>poplar leaves</kwd><kwd>Ufa</kwd><kwd>ecological and geochemical assessment</kwd><kwd>metal processing</kwd><kwd>petrochemical complex</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Министерства науки и высшего образования Российской Федерации (проект № FSWW-2023-0010). Анализ ртути выполнен в рамках бюджетного проекта ИМКЭС СО РАН (г. Томск).  Авторы выражают благодарность А.Ф. Судыко и Л.Ф. Богутской за проведение нейтронно-активационного анализа, а также к. г.-м. н. Е.Е. Ляпиной и к. г.-м. н. С.С. Ильенку за консультации по атомно-абсорбционному анализу и сканирующей электронной микроскопии соответственно.</funding-statement><funding-statement xml:lang="en">This study was supported by the Ministry of Science and Higher Education of the Russian Federation (project no. FSWW-2023-0010). The mercury analysis was performed as part of the budget project of the Institute of Monitoring of Climatic and Ecological Systems, Siberian Branch, Russian Academy of Sciences (Tomsk, Russia).  We thank A.F. Sudyko and L.F. Bogutskaya for their assistance with the neutron-activation analysis, as well as E.E. Lyapina (PhD in Geology and Mineralogy) and S.S. 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