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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">pmj</journal-id><journal-title-group><journal-title xml:lang="ru">Тихоокеанский медицинский журнал</journal-title><trans-title-group xml:lang="en"><trans-title>Pacific Medical Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1609-1175</issn><publisher><publisher-name>TGMU</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.34215/1609-1175-2022-1-26-35</article-id><article-id custom-type="elpub" pub-id-type="custom">pmj-2297</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>ОБЗОРЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEWS</subject></subj-group></article-categories><title-group><article-title>Репродуктивные адаптации морских ежей с планктотрофной личинкой</article-title><trans-title-group xml:lang="en"><trans-title>Reproductive adaptations of sea urchins with planktotrophic larvae</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5074-9579</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жадан</surname><given-names>П. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zhadan</surname><given-names>P. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жадан Петр Михайлович – доктор биологических наук, зав. лабораторией исследований загрязнения океана и экологии; тел.: (4232)31-28-67.</p><p>690041 Владивосток, ул. Балтийская, 43</p></bio><bio xml:lang="en"><p>Vladivostok</p></bio><email xlink:type="simple">pzhadan@poi.dvo.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/0000-0002-9098-2102</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ващенко</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Vaschenko</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ващенко Марина Александровна – кандидат биологических наук, ведущий научный сотрудник лаборатории физиологии.</p><p>690041 Владивосток, ул. Пальчевского, 17; тел.: (4232)31-11-86</p></bio><bio xml:lang="en"><p>Marina A. Vaschenko - PhD of Biological Sciences, Leading Researcher at the Laboratory of Physiology.</p><p>17 Palchevsky St., Vladivostok, 690041</p></bio><email xlink:type="simple">mvaschenko@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский океанологический институт им. В.И. Ильичева, ДВО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>V.I. Il’ichev Pacific Oceanological Institute FEB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Национальный научный центр морской биологии им. А.В. Жирмунского, ДВО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>А.V. Zhirmunsky National Scientific Center of Marine Biology FEB 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>26</day><month>03</month><year>2022</year></pub-date><volume>0</volume><issue>1</issue><fpage>26</fpage><lpage>35</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жадан П.М., Ващенко М.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Жадан П.М., Ващенко М.А.</copyright-holder><copyright-holder xml:lang="en">Zhadan P.M., Vaschenko M.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://www.tmj-vgmu.ru/jour/article/view/2297">https://www.tmj-vgmu.ru/jour/article/view/2297</self-uri><abstract><p>В кратком обзоре обобщены оригинальные данные авторов о роли факторов среды в запуске и синхронизации нереста в естественных популяциях двух видов морских ежей с планктотрофной личинкой. Показано, что для обоих видов характерны сходные репродуктивные адаптации, направленные на повышение репродуктивного успеха. Высокая чувствительность морских ежей, в первую очередь самцов, к сигналу(ам) окружающей среды, скорее всего к фитопланктону, может рассматриваться как широкомасштабная адаптация, характерная для многих морских беспозвоночных с внешним оплодотворением и планктотрофной личинкой, и, видимо, является одной из предпосылок для развития массового нереста. Ночное время, а также фазы новолуния и полнолуния являются модулирующими факторами, увеличивающими вероятность массового нереста. Более длительную продолжительность нереста у самцов по сравнению с самками, большую продолжительность выделения спермы во время массового нереста по сравнению с таковым во время одиночного нереста, большую продолжительность нереста у самцов, обитающих в среде с более высоким уровнем фитопланктона, и сближение самцов и самок во время массового нереста можно рассматривать как мелкомасштабные адаптации, повышающие вероятность оплодотворения.</p></abstract><trans-abstract xml:lang="en"><p>The brief review summarizes the authors' original data on the role of environmental factors in triggering and synchronization of spawning in natural populations of two species of sea urchins with planktotrophic larvae. It is shown that both species exhibit similar reproductive adaptations aimed at enhancing reproductive success. The high sensitivity of sea urchins, primarily males, to environmental signal(s), most likely to phytoplankton, can be considered as a large-scale adaptation characteristic of many marine invertebrates with external fertilization and planktotrophic larvae and promoting the development of mass spawning events. Night time, as well as the new moon and full moon phases, are modulating factors that increase the likelihood of mass spawning. Longer duration of spawning in males compared to females, longer duration of sperm release during mass spawning compared to that during solitary spawning, longer duration of spawning in males living in an environment with higher level of phytoplankton, and approach of males and females during mass spawning can be considered as small-scale adaptations that increase the likelihood of fertilization.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>иглокожие</kwd><kwd>репродуктивный цикл</kwd><kwd>нерест</kwd><kwd>факторы среды</kwd><kwd>фитопланктон</kwd><kwd>температура</kwd></kwd-group><kwd-group xml:lang="en"><kwd>echinoderms</kwd><kwd>reproductive cycle</kwd><kwd>spawning</kwd><kwd>environmental variables</kwd><kwd>phytoplankton</kwd><kwd>temperature</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">научное исследование частично финансировано за счет государственных заданий Российской Федерации (темы 121082600038-3 и 121021500052-9)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Himmelman JH. 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