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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">sergeogr</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Российской академии наук. Серия географическая</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-5566</issn><issn pub-type="epub">2658-6975</issn><publisher><publisher-name></publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.7868/S037324441706007X</article-id><article-id custom-type="elpub" pub-id-type="custom">sergeogr-629</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>Природопользование и геоэкология</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Natural Recourse Use and Geoecology</subject></subj-group></article-categories><title-group><article-title>КОНВЕРГЕНЦИЯ РАСТИТЕЛЬНОГО ПОКРОВА И ПОЧВ ПОСТАГРОГЕННЫХ ЭКОСИСТЕМ МЕЖГОРНЫХ КОТЛОВИН ЦЕНТРАЛЬНОГО КАВКАЗА</article-title><trans-title-group xml:lang="en"><trans-title>CONVERGENCE OF VEGETATION AND SOILS OF INTERMONTANE BASINS OF THE CENTRAL CAUCASUS</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>Грачева</surname><given-names>Раиса Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gracheva</surname><given-names>Raisa G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">gracheva04@list.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>Белоновская</surname><given-names>Елена А.</given-names></name><name name-style="western" xml:lang="en"><surname>Belonovskaya</surname><given-names>Elena A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Виноградова</surname><given-names>Вера В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vinogradova</surname><given-names>Vera V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шоркунов</surname><given-names>Илья Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Shorkunov</surname><given-names>Il’ya G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт географии РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Geography, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>13</day><month>12</month><year>2017</year></pub-date><volume>0</volume><issue>6</issue><fpage>78</fpage><lpage>88</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Грачева Р.Г., Белоновская Е.А., Виноградова В.В., Шоркунов И.Г., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Грачева Р.Г., Белоновская Е.А., Виноградова В.В., Шоркунов И.Г.</copyright-holder><copyright-holder xml:lang="en">Gracheva R.G., Belonovskaya E.A., Vinogradova V.V., Shorkunov I.G.</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://izvestia.igras.ru/jour/article/view/629">https://izvestia.igras.ru/jour/article/view/629</self-uri><abstract><p>Исследование показало, что принятые схемы экспозиционных смен растительных сообществ и почв в межгорных котловинах Северной Осетии не отвечают их современному распространению. Сообщества горных луговых степей и субальпийских лугов располагаются независимо от климатических различий склонов межгорных котловин. Почвенные исследования выявили близость свойств почв разных склонов и явные свидетельства длительного аграрного воздействия.Вместе с тем погребенные почвы, обнаруженные во многих почвенных профилях, свидетельствуют о хорошо выраженной в прошлом экспозиционной дифференциации почв. Согласно истории землепользования, исследованные травяные экосистемы пережили ряд этапов в качестве агроландшафтов: столетия пахотного использования, последующие десятилетия пастбищного пресса и последние 15–20 лет ослабления или прекращения антропогенного воздействия. Наблюдаемое снижение разнообразия экосистем и их конвергенция объясняются первоначальными стадиями их формирования после многовекового унифицирующего аграрного воздействия. Выполненная на основании спутниковых и наземных измерений оценка современных климатических изменений в исследованном диапазоне высот выявила повышение тепло- и влагообеспеченности. Улучшение условий вегетации наряду с ослаблением антропогенного пресса может способствовать восстановлению древесной и луговой растительности и постепенной проградации почв.</p></abstract><trans-abstract xml:lang="en"><p>The study showed that the conventional schemes of the exposition-dependent changes in plant communities and soils in the intermountain basins of North Ossetia do not meet their contemporary distribution.Communities of mountain meadow steppes and subalpine meadows are located regardless of the climatic differences between the slopes of intermountain basins. Soil studies revealed the similarity of properties of soils of different slopes and clear evidences of long agricultural impact. However, buried soils, found in many soil profiles indicate a pronounced expositional differentiation of soils in the past. According to the history of land use, the studied grasslands have experienced a number of stages as agrolandscapes: centuries of agricultural use, subsequent decades of grazing load and weakening or termination of anthropogenic impact in the last 15–20 years. The observed reduction in diversity of ecosystems and their convergence is explained by initial stages of their formation after centuries-long unifying agricultural impact. Made based on satellite and ground-based measurements the assessment of contemporary climate changes in the investigated altitude range showed an increasing temperature and moisture. Improvement of vegetation conditions along with a reduction in anthropogenic load may contribute to the restoration of wood and meadow vegetation, and the gradual progradation of soils.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>межгорные котловины</kwd><kwd>постпахотные травяные экосистемы</kwd><kwd>луговые степи</kwd><kwd>погребенные почвы</kwd><kwd>землепользование</kwd><kwd>климатические изменения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>intermountain basins</kwd><kwd>post-arable grasslands</kwd><kwd>meadow steppes</kwd><kwd>buried soils</kwd><kwd>land use</kwd><kwd>climate changes</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">Акатов П.В. Изменение верхней границы распространения древесных видов растений на Западном Кавказе (бассейн р. Белой) в связи с современным потеплением климата // Экология. 2009. № 1. 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