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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">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2023-203-550-566</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-859</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>УСЛОВИЯ ОБИТАНИЯ ПРОМЫСЛОВЫХ ОБЪЕКТОВ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ENVIRONMENTS OF FISHERIES RESOURCES</subject></subj-group></article-categories><title-group><article-title>Трофические характеристики зоопланктона и зообентоса в различных водных массах в западной части Чукотского моря по данным δ15N и δ13С</article-title><trans-title-group xml:lang="en"><trans-title>Trophic characteristics of zooplankton and zoobenthos in certain water masses in the western Chukchi Sea, by δ15N and δ13С data</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-8385-7770</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горбатенко</surname><given-names>К. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorbatenko</surname><given-names>K. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Горбатенко Константин Михайлович, доктор биологических наук, главный научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Konstantin M. Gorbatenko, D.Biol., principal researcher</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">konstantin.gorbatenko@tinro.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/0000-0002-2327-2979</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мельников</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Melnikov</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мельников Игорь Владимирович, кандидат биологических наук, заместитель руководителя филиала</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Igor V. Melnikov, Ph.D., deputy head</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">igor.melnikov@tinro.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский филиал ВНИРО (ТИНРО)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific branch of VNIRO (TINRO)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>10</day><month>10</month><year>2023</year></pub-date><volume>203</volume><issue>3</issue><fpage>550</fpage><lpage>566</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Горбатенко К.М., Мельников И.В., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Горбатенко К.М., Мельников И.В.</copyright-holder><copyright-holder xml:lang="en">Gorbatenko K.M., Melnikov I.V.</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://izvestiya.tinro-center.ru/jour/article/view/859">https://izvestiya.tinro-center.ru/jour/article/view/859</self-uri><abstract><p>Для сравнения трофических характеристик пелагических и донных сообществ у зоопланктона и зообентоса в западной части Чукотского моря был исследован изотопный состав углерода и азота (δ13С и d15N) в трех различных водных массах. Основная акватория южной части моря (южнее 71о с.ш.) находилась под влиянием беринговоморских водных масс с относительно высокими значениями δ13С и низкими d15N. В северных районах преобладали холодные арктические воды, а западная часть акватории была под влиянием распресненных восточносибирских вод, приносимых прибрежным Сибирским течением, в которых отмечено значительное уменьшение величин δ13С и увеличение значений d15N на 1–3 ‰. Выявленные устойчивые различия в изотопном составе углерода между зоопланктоном и бентосными беспозвоночными в южной части Чукотского моря показали, что донные организмы базируются в основном на донной пищевой цепи и влияние органического вещества из пелагиали незначительно. В югозападной части Чукотского моря, которая находилась под влиянием водных масс из Восточно-Сибирского моря, все бентосные беспозвоночные характеризовались минимальным насыщением тяжелым углеродом 13С, сопоставимым с таковым у зоопланктона, что, с одной стороны, указывает на зависимость бентоса от продукции из пелагиали, с другой — свидетельствует об увеличении доли терригенного органического вещества. В северной части Чукотского моря роль первичных планктонных и бентосных продуцентов в наших исследованиях до конца не выяснена и необходимы дополнительные исследования. Тем не менее мы больше склоняемся к мысли, что основным источником органического вещества в донном сообществе является продукция из пелагиали, среди которой преобладает взвешенное органическое вещество от продукции ледовых водорослей.</p></abstract><trans-abstract xml:lang="en"><p>To compare trophic characteristics for pelagic and bottom communities of zooplankton and zoobenthos in the western Chukchi Sea, isotopic composition of carbon and nitrogen (δ13С and δ15N) is determined for three different types of water masses. The main area of the southwestern part of the sea (to the south of 71оN) is occupied by the surface and subsurface water masses invaded from the Bering Sea with relatively high δ13C and low δ15N values. The cold Arctic waters prevail in the northwestern area. The western periphery of the sea is inﬂuenced by the water masses from the East Siberian Sea transported by the alongshore  Siberian Current, distinguished by signiﬁcantly lowered δ13С values and somewhat (by 1–3 ‰) increased δ15N values. A stable difference in the carbon isotopic composition between zooplankton and benthic invertebrates is revealed in the southwestern Chukchi Sea that means that the benthic organisms are based mainly on the bottom food chain, with a minimal input of organic matter from the water column. In the area inﬂuenced by the water masses from the East Siberian Sea, benthic invertebrates have the lowest values of δ13С comparable to those of zooplankton that is a sign of organic sediments from the water column utilization, partly terrigenous in origin. The role of primary producers for plankton and benthos in the northwestern Chukchi Sea has not been fully elucidated and requires additional studies. However, the main trophic base for the benthic community is assumed there to be organic matter removed from the water column, originated mainly from ice algae.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Чукотское море</kwd><kwd>водные массы</kwd><kwd>зоопланктон</kwd><kwd>зообентос</kwd><kwd>изотопный состав</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Chukchi Sea</kwd><kwd>water mass</kwd><kwd>zooplankton</kwd><kwd>zoobenthos</kwd><kwd>isotope composition</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают признательность всем коллегам, участвовавшим в экспедициях в Чукотское море в 2018 и 2019 гг.</funding-statement><funding-statement xml:lang="en">The authors express their gratitude to all participants of the TINRO expeditions to the Chukchi Sea in 2018 and 2019.</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">Бродский К.А., Вышкварцева Н.В., Кос Е.С., Мархасева Е.Л. 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