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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">ecodag</journal-id><journal-title-group><journal-title xml:lang="ru">Юг России: экология, развитие</journal-title><trans-title-group xml:lang="en"><trans-title>South of Russia: ecology, development</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1992-1098</issn><issn pub-type="epub">2413-0958</issn><publisher><publisher-name>State Institute of Applied Ecology of the Republic of Dagestan</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18470/1992-1098-2023-4-74-81</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-2994</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>ЭКОЛОГИЯ РАСТЕНИЙ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ECOLOGY OF PLANTS</subject></subj-group></article-categories><title-group><article-title>Структура изменчивости признаков побега и плода субальпийских популяций Fagus orientalis Lipsky Западного и Восточного Кавказа</article-title><trans-title-group xml:lang="en"><trans-title>The structure of variability in shoot and fruit traits of subalpine populations of Fagus orientalis Lipsky in the Western and Eastern Caucasus</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2985-5622</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Алиев</surname><given-names>Х. У.</given-names></name><name name-style="western" xml:lang="en"><surname>Aliev</surname><given-names>Kh. U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хабагин У. Алиев, кандидат биологических наук, старший научный сотрудник</p><p>лаборатория флоры и растительных ресурсов</p><p>367000</p><p>ул. М. Гаджиева, 45</p><p>Махачкала</p><p>Сочи</p><p>Тел. +79887991445</p></bio><bio xml:lang="en"><p>Khabagin U. Aliev, Candidate of Biological Sciences, Senior Researcher</p><p>367000</p><p>45 M. Gadjieva St.</p><p>Makhachkala</p><p>Sochi</p><p>Tel. +79887991445</p></bio><email xlink:type="simple">alievxu@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Горный ботанический сад ОП ДФИЦ РАН; Сочинский национальный парк<country>Россия</country></aff><aff xml:lang="en">Mountain Botanical Garden, Dagestan Federal Research Centre, Russian Academy of Sciences; Sochi National Park<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>09</day><month>01</month><year>2024</year></pub-date><volume>18</volume><issue>4</issue><fpage>74</fpage><lpage>81</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Алиев Х.У., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Алиев Х.У.</copyright-holder><copyright-holder xml:lang="en">Aliev K.U.</copyright-holder><license 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://ecodag.elpub.ru/ugro/article/view/2994">https://ecodag.elpub.ru/ugro/article/view/2994</self-uri><abstract><sec><title>   Цель</title><p>   Цель. Сравнительное изучение и анализ изменчивости признаков побега и плода Fagus orientalis Lipsky субальпийских популяций Западного и Восточного Кавказа.</p></sec><sec><title>   Материал и методы</title><p>   Материал и методы. Для анализа использованы рандомизированно собранные годичные побеги с плодами у 47 деревьев Fagus orientalis из 6 популяций Западного и Восточного Кавказа. В выявлении изменчивости использованы данные измерений 12 признаков. Общая повторность измерений каждого признака для 6 популяций составило 1318.</p></sec><sec><title>   Результаты</title><p>   Результаты. Сравнительное изучение изменчивости признаков побега и плода Fagus orientalis из 6 популяций Восточного и Западного Кавказа показало преобладание размерных признаков у особей из популяций Восточного Кавказа. Наибольшим уровнем изменчивости отличается признак «длина годичного побега» – 70,6 %. Низкие и средние уровни выявлены у признаков плода, длины и ширины листовой пластинки и длины плюски. Результаты t‐критерия Стьюдента показали наибольшую значимость различий по признаку «длина верхушечной почки» – 28,98. Корреляционный анализ выявил положительные достоверные связи по большинству пар признаков. Наиболее тесные из них отмечены у всех признаков плода и признака длины и ширины листовой пластинки.</p></sec><sec><title>   Выводы</title><p>   Выводы. Преобладание размерных значений признаков у особей из популяций Восточного Кавказа связано с климатическими условиями – вегетационный период на Западном Кавказе короче почти на месяц. Низкий уровень изменчивости признаков плода подтверждает их большую генетическую детерминированность. Признак «длина верхушечной почки» может быть использован как индикаторный, отражающий степень влияния экологических факторов среды на популяции. Наиболее тесные корреляционные связи проявляются по признакам плода и парой признаков длина и ширина листовой пластинки.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>   Aim</title><p>   Aim. Comparative study and analysis of the variability of characters of the shoots and fruit of Fagus orientalis Lipsky from subalpine populations of the Western and Eastern Caucasus.</p></sec><sec><title>   Material and Methods</title><p>   Material and Methods. For the analysis randomly collected annual shoots with fruit from 47 Fagus orientalis trees from 6 populations of the Western and Eastern Caucasus were used. Measurement data from 12 traits were used to identify variability. The total repetition of measurements for each trait for 6 populations was 1318.</p></sec><sec><title>   Results</title><p>   Results. A comparative study of the variability of traits in the shoot and fruit of Fagus orientalis from 6 populations of the Eastern and Western Caucasus showed a predominance of size traits in individuals from the Eastern Caucasus. The trait “length of annual shoot” had the highest level of variability – 70.6 %. Low and medium levels were detected in fruit traits, leaf blade length and width, and plus length. The results of Student's t‐tests showed the greatest significance of differences in the “length of annual bud” trait – 28.98. Correlation analysis revealed positive, reliable relationships for most pairs of characteristics. The closest of them are noted in all fruit characters and in the character of length and width of the leaf blade.</p></sec><sec><title>   Conclusions</title><p>   Conclusions. The predominance of size values of traits in individuals from populations of the Eastern Caucasus is associated with climatic conditions – the growing season in the Western Caucasus being shorter by almost a month. The low level of variability of fetal traits confirms their high genetic determination. The “apical bud length” trait can be used as an indicator, reflecting the degree of influence of environmental factors on populations. The closest correlations are manifested by the characteristics of the fruit and a pair of characteristics ‐ the length and width of the leaf blade.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>Западный и Восточный Кавказ</kwd><kwd>популяция</kwd><kwd>Fagus orientalis</kwd><kwd>побег</kwd><kwd>плод</kwd><kwd>структура изменчивости</kwd><kwd>признак</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Western and Eastern Caucasus</kwd><kwd>population</kwd><kwd>Fagus orientalis</kwd><kwd>shoot</kwd><kwd>fruit</kwd><kwd>structure of variability</kwd><kwd>character</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">Мальцев М.П. Бук. Москва: Лесная промышленность, 1980. 80 с.</mixed-citation><mixed-citation xml:lang="en">Maltsev M.P. Buk [The beech]. Moscow, Forest Industry Publ., 1980, 80 p. 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