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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">10.18470/1992-1098-2010-2-67-74</article-id><article-id custom-type="elpub" pub-id-type="custom">ecodag-620</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 ЖИВОТНЫХ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ECOLOGY OF ANIMALS</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ MNEMIOPSIS LEIDYI НА НЕКОТОРЫЕ ТРОФИЧЕСКИЕ ЗВЕНЬЯ КАСПИЙСКОГО МОРЯ</article-title><trans-title-group xml:lang="en"><trans-title>MNEMIOPSIS LEIDYI IMPACT ON SOME TROPHICAL CHAINS OF THE CASPIAN SEA</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>Камакин</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>KAMAKIN</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.б.н., Россия, г. Астрахань, ФГУП «КаспНИРХ», лаборатория гидробиологии. Старший научный сотрудник. тел.: (8-512)-25-76-46-11-85; факс.: (8-512)-25-25-81</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>Чиженкова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>CHIZENKOVA</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Россия, г. Астрахань, ФГУП «КаспНИРХ», Лаборатория гидробиологии. Научный сотрудник. тел.: (8-512)-25-76-46-11-85; факс.: (8-512)-25-25-81</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>Зайцев</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>ZAITZEV</surname><given-names>V. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.с-х.н, АГТУ, кафедра гидробиологии и общей экологии, профессор, заведующий кафедрой. тел. 614-586, 54-91-03</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Каспийский научно-исследовательский институт рыбного хозяйства, г. Астрахань</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Астраханский государственный технический университет, АГТУ, г. Астрахань</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2010</year></pub-date><pub-date pub-type="epub"><day>06</day><month>02</month><year>2015</year></pub-date><volume>5</volume><issue>2</issue><fpage>67</fpage><lpage>74</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Камакин А.М., Чиженкова О.А., Зайцев В.Ф., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Камакин А.М., Чиженкова О.А., Зайцев В.Ф.</copyright-holder><copyright-holder xml:lang="en">KAMAKIN A.M., CHIZENKOVA O.A., ZAITZEV V.F.</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://ecodag.elpub.ru/ugro/article/view/620">https://ecodag.elpub.ru/ugro/article/view/620</self-uri><abstract><p>Представлены результаты мониторинговых исследований за последнее десятилетие по распространению и распределению нового для Каспия вида-вселенца-вселенцев, пространственное распределение его популяции при максимальном пике развития (август-сентябрь). Описано влияние желетелого вселенца на различные уровни трофической пирамиды, что позволяет выявить причину снижения качественных и количественных показателей кормовой базы не только планктоноядных рыб (каспийские кильки, сельди), но и рыболлюскоедов (вобла, морской лещ и сазан), а так же оценить и дать тенденцию уровня развития экосистем Каспийского моря на ближайшее будущее.</p></abstract><trans-abstract xml:lang="en"><p>Results of monitoring investigations over the past 10 years are presented concerning the distribution of a new species-invader in the Caspian Sea, Mnemiopsis leidyi. The spatial distribution of its population is shown during the period of its maximal development in August-September. The influence of that gelatinous invader on different levels of the trophic pyramid is described to show the cause of qualitative and quantitative decline in the nutritive base both of plankton feeders (Caspian kilka, shads) and mollusk-eating fish (roach, sea bream and common carp), to estimate the level and reveal the trend of ecosystem development in the Caspian Sea in the near future.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>вселенец</kwd><kwd>гребневик</kwd><kwd>мнемиопсис</kwd><kwd>популяция</kwd><kwd>трофическая цепь</kwd><kwd>экосистема</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Invader</kwd><kwd>ctenophore</kwd><kwd>Mnemiopsis leidyi</kwd><kwd>population</kwd><kwd>trophic chain</kwd><kwd>ecosystem</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">Vinogradov M.E., Flint M.V., Shukshina E.A. 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