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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">10.18470/1992-1098-2019-2-48-58</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-1604</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>ДИНАМИКА ОСВЕЩЕННОСТИ ГАЗОНОВ В ТЕНИ КРОН   ДРЕВЕСНЫХ НАСАЖДЕНИЙ РАЗЛИЧНЫХ ПОРОД</article-title><trans-title-group xml:lang="en"><trans-title>DYNAMICS OF ILLUMINANCE INCIDENT ON THE LANW   SURFACE IN THE SHADE OF VARIOUS WOODY SPECIES</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>Гречушкина‐Сухорукова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Grechushkina‐Sukhorukova</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат  биологических  наук,  ведущий  научный  сотрудник,</p><p>ул.  Ленина, 478,  г.  Ставрополь, 355029</p></bio><bio xml:lang="en"><p>478 Lenin St., Stavropol, 355029</p></bio><email xlink:type="simple">grechushkinala@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Ставропольский ботанический сад имени В.В. Скрипчинского – филиал Федерального &#13;
государственного бюджетного научного учреждения «Северо‐Кавказский федеральный  &#13;
научный аграрный центр»<country>Россия</country></aff><aff xml:lang="en">Cand. Sci. (Biol.), Leading Researcher, Stavropol Botanical Garden named after V.V.Skripchinsky (branch of the North Caucasus Federal Scientific Agrarian Centre)<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2019</year></pub-date><volume>14</volume><issue>2</issue><fpage>48</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гречушкина‐Сухорукова Л.А., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Гречушкина‐Сухорукова Л.А.</copyright-holder><copyright-holder xml:lang="en">Grechushkina‐Sukhorukova L.A.</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/1604">https://ecodag.elpub.ru/ugro/article/view/1604</self-uri><abstract><sec><title>Цель</title><p>Цель. Изучить  величину  относительного  светового  довольствия (ОСД)  газонов  в  тени крон деревьев светолюбивых и теневыносливых пород в объектах озеленения г. Ставрополя. </p></sec><sec><title>Методы</title><p>Методы. Величина освещенности измерялась на поверхности газона с помощью  люксметра «ТКА – ЛЮКС» с 7 до 17 часов, через каждые два часа.</p></sec><sec><title>Результаты</title><p>Результаты. Показано, что газоны под кронами деревьев светолюбивых пород – Larix sibirica, получали самое высокое ОСД, его величина в три календарных срока (22.05‐15.06‐18.09.2017 г., с 7 до 17 час.) составила – 8,2‐9,2% (9,2% – в 13 час); 4,6‐6,8% (6,8%); 7,0‐12,9% (12,9%), их проективное покрытие  – 80‐95%.  У Betula pendula  ОСД  – 2,6‐3,7% (3,7%); 1,9‐3,2% (3,0%); 3,6‐5,7% (5,6%). Проективное  покрытие  газона  – 75‐90%.  Под  кронами  теневыносливых  пород  у  Abies nordmanniana – ОСД – 1,0‐1,5% (1,0%); 0,6‐1,5% (0,6%); 0,7‐3,0 (0,7%), проективное покрытие  газона  –10‐25%;  у  Aesculus hippocastanum – ОСД  – 0,6‐0,8% (0,6%); 0,6‐0,8%(0,6%); 9,0‐11,5% (11,2%),  нередко  формируются  мертвопокровные  участки. Показатели  проективного  покрытия затененных газонов коррелируют с величиной ОСД (r=0,89). </p></sec><sec><title>Заключение</title><p>Заключение. Для интенсивно затененных местообитаний в объектах городского озеленения в наших условиях  могут  быть  использованы,  альтернативные  злаковым, живые  наземные  покрытия  из  полукустарника Vinca minor и лианы Hedera helix. </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Aim</title><p>Aim. This paper is aimed at studying the relative light conditions (RLC) for lawns in the crown shade of light‐requiring and shade‐tolerant trees from the landscaping sites of Stavropol.</p></sec><sec><title>Methods</title><p>Methods. The illuminance incident on the lawn surface was measured using a TKA‐LUX light meter from 7 a.m. to 5 p.m., every two hours.</p></sec><sec><title>Results</title><p>Results. It is shown that lawns under the crowns of light‐requiring tree species (Larix sibirica), received the highest RLC. During three calendar periods (22.05–15.06–18.09.2017, from 7 a.m. to 5 p.m.), its value amounted to 8.2‐9.2% (9.2% – at 1 p.m.); 4.6‐6.8% (6.8%); 7.0‐12.9% (12.9%). The projective cover of the lawns reached 75‐90%. In case of Betula pendula, the RLC values were as follows: 2.6‐3.7% (3.7%); 1.9‐3.2% (3.0%); 3.6‐5.7% (5.6%), with the projective cover amounting to 75‐90%. Under the crowns of shade‐tolerant species, Abies nordmanniana, the RLC values reached 1.0‐1.5% (1.0%), 0.6‐1.5% (0.6%), 0.7‐3.0 (0.7%), with the projective cover of lawns amounting to 10‐25%. For Aesculus hip‐ pocastanum, these values were equal to 0.6‐0.8% (0.6%); 0.6‐0.8% (0.6%); 9.0‐11.5% (11.2%), with dead patches being frequently formed. Projective cover values for shaded lawns correlate with the RLC value (r = 0.89).</p></sec><sec><title>Conclusions</title><p>Conclusions. Under present conditions, ground covers consisting of Vinca minor shrubs and Hedera helix vines can be used in urban greening for intensively shaded sites. </p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>газоны</kwd><kwd>солнечная  радиация</kwd><kwd>затенение  кронами  деревьев</kwd><kwd>динамика  освещенности</kwd><kwd>относительное световое довольствие</kwd><kwd>проективное покрытие</kwd></kwd-group><kwd-group xml:lang="en"><kwd>lawns</kwd><kwd>solar radiation</kwd><kwd>tree crown shade</kwd><kwd>illuminance dynamics</kwd><kwd>relative light conditions</kwd><kwd>projective cover</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">Bouly J.‐P., Schleicher E., Dionisio‐Sese M., Vandenbussche F., Straeten D.V.D., Bakrim N., Meier S., Batschauer A., Galland P., Bittl R., Ahmad M. 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