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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">sevin</journal-id><journal-title-group><journal-title xml:lang="ru">ПОВОЛЖСКИЙ ЭКОЛОГИЧЕСКИЙ ЖУРНАЛ</journal-title><trans-title-group xml:lang="en"><trans-title>Povolzhskiy Journal of Ecology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1684-7318</issn><issn pub-type="epub">2541-8963</issn><publisher><publisher-name>Федеральное государственное бюджетное учреждение науки Институт проблем экологии и эволюции им. А. Н. Северцова РАН; Товарищество научных изданий КМК.</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35885/1684-7318-2023-3-331-351</article-id><article-id custom-type="elpub" pub-id-type="custom">sevin-467</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ARTICLES</subject></subj-group></article-categories><title-group><article-title>Морфологическая изменчивость в популяциях таксонов Chondrilla (Asteraceae, Magnoliophyta) в Европейской России и на прилегающих территориях</article-title><trans-title-group xml:lang="en"><trans-title>Morphological variability in Chondrilla taxon populations in European Russia and adjacent territories</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9948-7298</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пархоменко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Parkhomenko</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">parkhomenko_as@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/0000-0001-5000-8914</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кондратьева</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondratieva</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>83 Astrakhanskaya St., Saratov 410012</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/0000-0002-2248-1285</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Богослов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bogoslov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>83 Astrakhanskaya St., Saratov 410012</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/0000-0002-9828-4229</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шилова</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shilova</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>83 Astrakhanskaya St., Saratov 410012</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/0000-0002-2342-2172</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кашин</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Kashin</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>83 Astrakhanskaya St., Saratov 410012</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Саратовский национальный исследовательский государственный университет имени Н. Г. Чернышевского</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saratov State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>10</month><year>2023</year></pub-date><volume>0</volume><issue>3</issue><fpage>331</fpage><lpage>351</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Пархоменко А.С., Кондратьева А.О., Богослов А.В., Шилова И.В., Кашин А.С., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Пархоменко А.С., Кондратьева А.О., Богослов А.В., Шилова И.В., Кашин А.С.</copyright-holder><copyright-holder xml:lang="en">Parkhomenko A.S., Kondratieva A.O., Bogoslov A.V., Shilova I.V., Kashin A.S.</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://sevin.elpub.ru/jour/article/view/467">https://sevin.elpub.ru/jour/article/view/467</self-uri><abstract><p>Морфологическая изменчивость в популяциях таксонов Chondrilla слабо изучена и особенности её распределения, как пространственная, так и между таксонами, не очевидны. Представлены результаты сравнительного анализа характера этой изменчивости на примере 28 популяций восьми таксонов рода юго-востока Европейской России и СевероЗападного Казахстана. Проанализирована изменчивость восьми морфологических признаков, большая часть из которых до настоящего времени используется для определения видовой принадлежности растений. Показано, что уровень изменчивости этих признаков, четыре из которых являются таксономически значимыми, в один год мониторинга оказывается столь широким, что полностью перекрывает границы их изменчивости всех восточноевропейских таксонов. При этом популяции разных таксонов, произрастающие рядом в близких условиях окружающей среды, демонстрировали весьма сходный (в ряде случаев фактически одинаковый) диапазон морфологической изменчивости. Сделано заключение о том, что причинами этой очень динамичной и своеобразной изменчивости признаков, скорее всего, являются локальные условия произрастания популяций в конкретный год мониторинга. Сравнительный анализ межгодовой (2015, 2016 и 2022 гг.) изменчивости по этим количественным признакам в 14 популяциях пяти таксонов Chondrilla показал её существенную динамику и по годам. Методом неметрического многомерного шкалирования количественных морфометрических параметров показано, что градиент их изменчивости имеет место в направлении от условий минимального увлажнения и максимальной температуры к условиям максимальной влажности и минимальной температуры. При этом сочетания этих климатических факторов в конкретных местообитаниях популяций в большей мере сказываются на значениях морфологических параметров, чем их географические градиенты или таксономическая принадлежность. </p></abstract><trans-abstract xml:lang="en"><p>The morphological variability in populations of Chondrilla taxa is poorly studied, and features of its distribution, both spatially and between taxa, are not obvious. The article presents the results of our comparative analysis of the nature of this variability on the example of 28 populations of eight taxa of the genus in the southeastern European Russia and northwestern Kazakhstan. The variability of eight morphological traits, most of which are still used to determine the species of plants, was analyzed. It is shown that the variability level of these characters, four of which are taxonomically significant, in one year of monitoring is so wide that it completely overlaps the boundaries of their variability of all Eastern European taxa. At the same time, populations of different taxa growing side by side in similar environmental conditions demonstrated a very similar (just identical in some cases) range of morphological variability. It was concluded that the causes of this very dynamic and peculiar variability of traits are most likely the local conditions of population growth in a particular year of monitoring. Our comparative analysis of the interannual (2015, 2016 and 2022) variability of these quantitative traits in 14 populations of five Chondrilla taxa showed its significant dynamics over years as well. Using the method of non-metric multidimensional scaling of quantitative morphometric parameters, it is shown that the gradient of their variability takes place in the direction from the conditions of minimum moisture and maximum temperature to that of increasing humidity and decreasing temperature. At the same time, the combinations of these climatic factors in specific habitats of populations affect the values of morphological parameters to a greater extent than their geographical gradients or taxonomic affiliation. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>Chondrilla</kwd><kwd>популяция</kwd><kwd>нумерический анализ</kwd><kwd>неметрическое многомерное шкалирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Chondrilla</kwd><kwd>Asteraceae</kwd><kwd>numerical analysis</kwd><kwd>non-metric multidimensional scaling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда (проект № 22-24-00340)</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">Еленевский А. Г., Буланый Ю. И., Радыгина В. И. Определитель сосудистых растений Саратовской области. 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