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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">10.26428/1606-9919-2020-200-922-934</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-596</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>БИОЛОГИЧЕСКИЕ РЕСУРСЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGICAL RESOURCES</subject></subj-group></article-categories><title-group><article-title>Состояние скоплений и биологические характеристики мизиды Neomysis awatschensis в северной части Амурского залива (залив Петра Великого, Японское море)</article-title><trans-title-group xml:lang="en"><trans-title>State of aggregations and biological characteristics for mysid Neomysis awatschensis in the northern Amur Bay (Peter the Great Bay, Japan 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>Седова</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sedova</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Седова Людмила Георгиевна, кандидат биологических наук, главный специалист-эксперт </p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Sedova Ludmila G., Ph.D., chief expert</p><p>4, Shevchenko Alley, Vladivostok, 690091 </p></bio><email xlink:type="simple">ludmila.sedova@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>Будникова</surname><given-names>Л. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Budnikova</surname><given-names>L. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Будникова Людмила Леонидовна, кандидат биологических наук, ведущий научный сотрудник </p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Budnikova Ludmila L., Ph.D., leading researcher</p><p>4, Shevchenko Alley, Vladivostok, 690091 </p></bio><email xlink:type="simple">ludmila.budnikova@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>2020</year></pub-date><pub-date pub-type="epub"><day>30</day><month>12</month><year>2020</year></pub-date><volume>200</volume><issue>4</issue><fpage>922</fpage><lpage>934</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Седова Л.Г., Будникова Л.Л., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Седова Л.Г., Будникова Л.Л.</copyright-holder><copyright-holder xml:lang="en">Sedova L.G., Budnikova L.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/596">https://izvestiya.tinro-center.ru/jour/article/view/596</self-uri><abstract><p>Впервые для российских вод изучен размерный и половой состав скоплений эстуарно-пресноводного вида Neomysis awatschensis. Отмечено, что время и продолжительность образования его скоплений в разные годы (2014–2019 гг.) не совпадают и зависят от гидрологических и погодных условий. N. awatschensis может образовывать моновидовые скопления или совместно с другим видом мизид — Neomysis mirabilis. Максимальная биомасса таких скоплений превышает 500 г/м3, что позволяет вести промысел мизид. Наибольшая длина тела самок 13,7 мм, самцов — 12,0 мм. Средний размер особей варьирует от 6,7 до 10,3 мм. В летние месяцы средняя длина тела мизид меньше, чем в мае. Состав скоплений N. awatschensis с 2014 по 2017 г. оставался непостоянным. Доля самцов во всех выборках всегда была значительна (16,3–50,7 %), доля самок варьировала от 8,7 до 52,5 %. Наибольшее количество молоди отмечено в июне разных лет (29,9–75,0 %). Соотношение самок и самцов в мае и июле 2014–2017 гг. составляло 1 : 1, в июне 2015 г. преобладали самцы (1,0 : 1,9), в июне 2016 г. — самки (1,8 : 1,0). Самки постоянно имели эмбрионы на разных стадиях развития, что свидетельствует о растянутом периоде размножения. Наиболее интенсивный нерест мизид в Амурском заливе происходил в мае-июне.</p></abstract><trans-abstract xml:lang="en"><p>Size and sex structure of estuarine-freshwater mysid Neomysis awatschensis in the northern Amur Bay is considered, time of their aggregations formation is determined, and their biomass is estimated on the data of surveys conducted in 2014–2019. The samples were collected at the depth of 0.5–2.0 m in the daytime in May-July. The catches were recalculated per 1 m3 of water. All collected mysids (2212 ind.) were measured under binocular microscope with accuracy of 0.1 mm, weighted by torsion scales with accuracy of 1 mg, and separated to males, females and juveniles. The females were differentiated by 5 stages of their development: 1) immature females with oostegetic rudiments; 2) oviparous females; 3) females with embryos in the marsupia bags without stalk-eyes with black pigment; 4) females with embryos in marsupia bags with black eyes; 5) spawned females with empty marsupii. Time and duration of N. awatschensis aggregating changed by years in dependence on hydrological and weather conditions; the aggregations were either monospecific or mixed with another mysid species — N. mirabilis. The maximum mysid biomass could exceed 500 g/m3 that was appropriate for commercial fishery. The maximum body length of mysid females was 13.7 mm, of males — 12.0 mm. The average length varied from 6.7 to 10.3 mm, being shorter in summer months than in May. Portion of males in the aggregations was always significant (16.3–50.7 %), portion of females varied from 8.7 to 52.5 %, portion of juveniles was the largest in June (29.9–75.0 %). The females to males ratio was 1 : 1 in May and July of 2014–2017, but males prevailed in June 2015 (1.0 : 1.9), whereas females prevailed in June 2016 (1.8 : 1.0). Spawning of the mysids was the most intensive in May-June, though females had embryos at different stages of development in all samples that indicated an extended period of reproduction.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>мизида</kwd><kwd>Neomysis awatschensis</kwd><kwd>размерный состав</kwd><kwd>половой состав</kwd><kwd>стадии развития самок</kwd><kwd>условия обитания</kwd><kwd>биомасса</kwd><kwd>Амурский залив</kwd><kwd>залив Петра Великого</kwd><kwd>Японское море</kwd></kwd-group><kwd-group xml:lang="en"><kwd>mysid</kwd><kwd>Neomysis awatschensis</kwd><kwd>size structure</kwd><kwd>sex structure</kwd><kwd>stage of female development</kwd><kwd>environmental conditions</kwd><kwd>biomass</kwd><kwd>Amur Bay</kwd><kwd>Peter the Great Bay</kwd><kwd>Japan Sea</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">Боровиков В. Statistica. 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