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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">10.35885/1684-7318-2022-2-150-172</article-id><article-id custom-type="elpub" pub-id-type="custom">sevin-358</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>Географические особенности распределения растений Tulipa suaveolens Roth (Liliaceae, Magnoliophyta) по окраске цветка в европейской части ареала</article-title><trans-title-group xml:lang="en"><trans-title>Geographical features of Tulipa suaveolens Roth (Liliaceae, Magnoliophyta) distribution by flower color across its European range</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2342-2172</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>Кашин Александр Степанович</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Alexandr S. Kashin</p><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">kashinas2@yandex.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/0000-0003-0181-3022</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Крицкая</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kritskaya</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Крицкая Татьяна Алексеевна</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Tatyana A. Kritskaya</p><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">kritskayata@info.sgu.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>Кондратьева Анна Олеговна</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Anna O. Kondratieva</p><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">popova.ao@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/0000-0003-1969-2783</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Петрова Надежда Андреевна </p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Nadezhda A. Petrova</p><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">nasch-1@yandex.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/0000-0002-9828-4229</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>Шилова Ирина Васильевна</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Irina V. Shilova</p><p>83 Astrakhanskaya St., Saratov 410012</p></bio><email xlink:type="simple">schiva1952@yandex.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/0000-0002-9948-7298</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>Пархоменко Алёна Сергеевна</p><p>410012, г. Саратов, ул. Астраханская, д. 83</p></bio><bio xml:lang="en"><p>Alena S. Parhomenko</p><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/0000-0002-2895-213X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Муртазалиев</surname><given-names>Р. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Murtazaliev</surname><given-names>R. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Муртазалиев Рамазан Алибегович</p><p> 367000, г. Махачкала, ул. М. Гаджиева, д. 45</p></bio><bio xml:lang="en"><p>Ramazan A. Murtazaliev</p><p>45 Gadgiev St., Makhachkala 367000</p></bio><email xlink:type="simple">murtazaliev.ra@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></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><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Прикаспийский институт биологических ресурсов&#13;
Дагестанского Федерального исследовательского центра РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Caspian Institute of Biological Resources of the Dagestan Federal Research Center of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>09</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>150</fpage><lpage>172</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кашин А.С., Крицкая Т.А., Кондратьева А.О., Петрова Н.А., Шилова И.В., Пархоменко А.С., Муртазалиев Р.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Кашин А.С., Крицкая Т.А., Кондратьева А.О., Петрова Н.А., Шилова И.В., Пархоменко А.С., Муртазалиев Р.А.</copyright-holder><copyright-holder xml:lang="en">Kashin A.S., Kritskaya T.A., Kondratieva A.O., Petrova N.A., Shilova I.V., Parkhomenko A.S., Murtazaliev R.A.</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/358">https://sevin.elpub.ru/jour/article/view/358</self-uri><abstract><p>Ареал полихромного Tulipa suaveolens охватывает почти всю ПонтийскоКаспийскую степь – от юго-востока Украины до западного Казахстана. Уникальной особенностью этого вида является высокое разнообразие окраски цветка, особенности географического распределения которого неочевидны. Исследована изменчивость растений по окраске листочков околоцветника в 56 популяциях Tulipa suaveolens в европейской части ареала. Определение цвета листочков околоцветника проводилось по цифровым фотографиям в соответствии с цветовой моделью Lab по двум хроматическим компонентам: a − красной и b − желтой. Сделан вывод о том, что в европейской части ареала вида ярко выражен градиент окраски листочков околоцветника в направлении с юго-запада на северовосток, по которому интенсивность «красной» хроматической составляющей снижается. Сходный градиент имеет место и при возрастании высоты над уровнем моря мест произрастания популяций. Показано, что хроматическая составляющая a имеет пространственную автокорреляцию и зависит от многолетних биоклиматических параметров среды – температуры и осадков. То есть выявленные географические тренды в распределении окраски цветка Tulipa suaveolens на исследуемой части ареала являются следствием естественного отбора, вызванного абиотическими факторами. </p></abstract><trans-abstract xml:lang="en"><p>The range of the polychromous Tulipa suaveolens Roth comprises almost the whole Ponto-Caspian Steppe, from the south-east of Ukraine to western Kazakhstan. High variation in flower color is a unique feature of this species, but features of its geographical distribution remain unclear. We studied T. suaveolens tepal color variation in 56 natural populations across the European range. Tepal colors were detected from digital images using the Lab color model with two chromatic components, a (red color intensity) and b (yellow color intensity). A conclusion was made that, throughout the European range, an obvious T. suaveolens flower color gradient is expressed in the direction from the south-west to the north-east, along which the red chromatic component intensity decreases. A similar gradient is observed when the height above mean sea level increases. The chromatic component a was shown to have a spatial autocorrelation and to depend on the long-term bioclimatic environmental parameters, temperature and precipitation. Thus, the identified geographical trends in the T. suaveolens flower color distribution across the studied part of its range are a consequence of natural selection caused by these two abiotic factors. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>биогеография</kwd><kwd>окраска цветка</kwd><kwd>околоцветник</kwd><kwd>пространственная регрессия</kwd><kwd>флоральная пигментация</kwd></kwd-group><kwd-group xml:lang="en"><kwd>biogeography</kwd><kwd>flower colour</kwd><kwd>floral pigmentation</kwd><kwd>spatial regression</kwd><kwd>tepal</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">Кашин А. С., Петрова Н. А., Шилова И. В. Состояние ценопопуляций и морфологическая изменчивость Tulipa gesneriana (Liliaceae) на севере Нижнего Поволжья // Ботанический журнал. 2016a. Т. 101, вып. 12. 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