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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">10.26428/1606-9919-2022-202-122-145</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-707</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>Состав, структура и биомасса зоопланктона в Чукотском море в августе-сентябре 2019 г</article-title><trans-title-group xml:lang="en"><trans-title>Species composition, structure and biomass of zooplankton in the Chukchi Sea in August-September 2019</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>Кузнецова</surname><given-names>Н. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetsova</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кузнецова Наталья Алексеевна, кандидат биологических наук, ведущий научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Natalia A. Kuznetsova, Ph.D., leading researcher</p><p>4, Shevchenko Alley, Vladivostok, 690091, Russia</p></bio><email xlink:type="simple">natalya.kuznetsova@tinro-center.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>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, Russia</p></bio><email xlink:type="simple">konstantin.gorbatenko@tinro-center.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>Фигуркин</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Figurkin</surname><given-names>A. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Фигуркин Александр Леонидович, кандидат географических наук, заведующий сектором</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Aleksander L. Figurkin, Ph.D., head of section</p><p>4, Shevchenko Alley, Vladivostok, 690091, Russia</p></bio><email xlink:type="simple">aleksandr.figurkin@tinro-center.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>2022</year></pub-date><pub-date pub-type="epub"><day>08</day><month>04</month><year>2022</year></pub-date><volume>202</volume><issue>1</issue><fpage>122</fpage><lpage>145</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кузнецова Н.А., Горбатенко К.М., Фигуркин А.Л., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Кузнецова Н.А., Горбатенко К.М., Фигуркин А.Л.</copyright-holder><copyright-holder xml:lang="en">Kuznetsova N.A., Gorbatenko K.M., Figurkin A.L.</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/707">https://izvestiya.tinro-center.ru/jour/article/view/707</self-uri><abstract><p>Представлены результаты гидробиологических исследований, выполненных в августе-сентябре 2019 г. в западной части Чукотского моря на НИС «Профессор Леванидов» и в восточной части на НИС «Ocean Starr». Биомассу зоопланктона в северозападной части Чукотского моря определяли виды арктического и арктическо-бореального комплекса: Calanus glacialis и занесенные из Восточно-Сибирского моря, в северо-восточной также копеподы C. glacialis, медузы Aglantha digitale и виды арктических вод и моря Бофорта. В зоопланктоне повсеместно доминировали сагитты Parasagitta elegans. В южной части Чукотского моря, на акватории, занятой беринговоморскими водами, доминировали виды беринговоморского комплекса, проникающие из Берингова моря: Eucalanus bungii, Neocalanus plumchrus/ﬂemingeri. В восточной части преобладали также неритические виды, характерные для аляскинской прибрежной водной массы. В северном районе наблюдался весенний период развития планктонного сообщества, в южной части моря его состояние можно характеризовать как летнее. В 2019 г. общая плотность зоопланктона в северо-западной части моря составила 65 т/км2, доминировала крупная фракция — 56 т/км2, за счет сагитт (35 т/км2)и копепод (13 т/км2). В юго-западной части моря общая плотность зоопланктона и его крупной фракции (48 и 40 т/км2) находилась на уровне биомассы в годы значительного поступления в этот район беринговоморских вод (2008 г. — 40 и 36 т/км2). В восточной акватории моря общая плотность зоопланктона на севере составила 44 т/км2 (КФ — 29 т/км2, МФ — 12 т/км2), на юге — 43 т/км2 (КФ — 24, МФ — 14), что выше, чем в 2017 г., — 15 т/км2, но меньше, чем в 2007 г., — 49 т/км2. Состояние планктонного сообщества в 2019 г. — летнее, в 2017 г. — весеннее, а в 2007 г. — позднелетнее.</p></abstract><trans-abstract xml:lang="en"><p>Plankton survey was conducted in the Chukchi Sea in August-September 2019 by two research vessels: RV Professor Levanidov in the western part of the sea and RV Ocean Starr in its eastern part. Parasagitta elegans dominated everywhere in zooplankton. Beside these arrowworms, species of the arctic and arctic-boreal complex were abundant in the northwestern Chukchi Sea, as Calanus glacialis and other species typical for the adjacent East-Siberian Sea. C. glacialis was numerous in the northeastern Chukchi Sea, too, together with species of the Arctic waters and the Beaufort Sea. The southern Chukchi Sea was occupied by the waters invaded from the Bering Sea, so species of the Bering Sea complex were abundant there, as Eucalanus bungii and Neocalanus plumchrus/flemingeri, at Alaska coast together with neritic species typical for the Alaska coastal water mass. The zooplankton community structure corresponded to the spring phase of seasonal succession in the northern area, whereas to the summer phase in the southern area. Total density of zooplankton was estimated as 65 t/km2 for the northwestern part of the sea, presented mostly by large-sized fraction (56 t/km2) including arrowworms (35 t/km2) and copepods (13 t/km2), and as 48 t/km2 for the southwestern part of the sea, also mostly large-sized fraction (40 t/km2). So high zooplankton density in the western Chukchi Sea is considered as result of the Bering Sea waters advection (previously such abundance was observed in 2008 — 40 and 36 t/km2, when the advection was also active). In the eastern Chukchi Sea, the total density of zooplankton was 44 t/km2 in the northeastern area (including 29 t/km2 of large-sized fraction) and 43 t/km2 in the southeastern area, that was higher than in 2017 (15 t/km2) but lower than in 2007 (49 t/km2). However, different phases of seasonal succession should be noted: summer season in 2019, spring season in 2017, and late-summer season in 2007.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Чукотское море</kwd><kwd>зоопланктон</kwd><kwd>фракция</kwd><kwd>биомасса</kwd><kwd>структура</kwd><kwd>запас</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Chukchi Sea</kwd><kwd>zooplankton</kwd><kwd>size fraction</kwd><kwd>zooplankton biomass</kwd><kwd>species structure</kwd><kwd>stock of zooplankton</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">Богоров В.Г. Особенности сезонных явлений в планктоне полярных морей и их значение для ледовых прогнозов // Зоол. журн. — 1939. — Т. 18, вып. 5. — C. 735–747.</mixed-citation><mixed-citation xml:lang="en">Bogorov, V.G., Features of seasonal phenomena in the plankton of the polar seas and their importance for ice forecasts, Zool. 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