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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Transactions of Papanin Institute for Biology of Inland Waters RAS</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Transactions of Papanin Institute for Biology of Inland Waters RAS</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Труды Института биологии внутренних вод имени И.Д. Папанина Российской академии наук</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">0320-3557</issn>
   <issn publication-format="online">2712-8377</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">114914</article-id>
   <article-id pub-id-type="doi">10.47021/0320-3557-2026-80-87</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>Водная токсикология</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>Aquatic Toxicology</subject>
    </subj-group>
    <subj-group>
     <subject>Водная токсикология</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">COMBINED EFFECT OF POLYSTYRENE PARTICLES AND COPPER IONS ON THE VITAL PARAMETERS OF DAPHNIA MAGNA IN A SERIES OF GENERATIONS</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>КОМБИНИРОВАННОЕ ВОЗДЕЙСТВИЕ ЧАСТИЦ ПОЛИСТИРОЛА И ИОНОВ МЕ-ДИ НА ЖИЗНЕННЫЕ ПОКАЗАТЕЛИ DAPHNIA MAGNA В РЯДУ ПОКОЛЕНИЙ</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Рак</surname>
       <given-names>А. Н.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Rak</surname>
       <given-names>A. N.</given-names>
      </name>
     </name-alternatives>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Гершкович</surname>
       <given-names>Д. М.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Gershkovich</surname>
       <given-names>D. M.</given-names>
      </name>
     </name-alternatives>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Ильина</surname>
       <given-names>О. В.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Ilina</surname>
       <given-names>O. В.</given-names>
      </name>
     </name-alternatives>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Поярков</surname>
       <given-names>А. А.</given-names>
      </name>
      <name xml:lang="en">
       <surname>Poyarkov</surname>
       <given-names>A. A.</given-names>
      </name>
     </name-alternatives>
    </contrib>
   </contrib-group>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-09-20T00:00:00+03:00">
    <day>20</day>
    <month>09</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-09-20T00:00:00+03:00">
    <day>20</day>
    <month>09</month>
    <year>2025</year>
   </pub-date>
   <issue>111</issue>
   <fpage>80</fpage>
   <lpage>87</lpage>
   <history>
    <date date-type="received" iso-8601-date="2025-04-07T00:00:00+03:00">
     <day>07</day>
     <month>04</month>
     <year>2025</year>
    </date>
    <date date-type="accepted" iso-8601-date="2025-05-14T00:00:00+03:00">
     <day>14</day>
     <month>05</month>
     <year>2025</year>
    </date>
   </history>
   <self-uri xlink:href="https://ibiw.editorum.ru/en/nauka/article/114914/view">https://ibiw.editorum.ru/en/nauka/article/114914/view</self-uri>
   <abstract xml:lang="ru">
    <p>Исследовано влияние комбинации микрочастиц полистирола различного происхождения и ионов меди на развитие тест-объектов культуры ветвистоусых ракообразных Daphnia magna в хронических экспериментах на протяжении четырех поколений. В статье рассматривается два варианта воздействия частиц микропластика (МП) на культуру — кратковременное (воздействие в течение первых 7 сут.) и постоянное (на протяжении четырех поколений). Влияние кратковременного воздействия рассматривалось для образца полистирола, отобранного на супралиторали Баренцева моря, а также для нового образца. Эффект постоянного воздействия оценивался только для образца, изъятого из окружающей среды. Во всех случаях содержание ионов меди в растворе оставалось постоянным (0.05 мг/л) на протяжении всех поколений. При кратковременном воздействии частиц МП (50 мг/л) отмечен протекторный эффект в присутствии ионов меди, выражающийся в увеличении продолжительности жизни особей в сравнении с группами, не подвергшимися воздействию МП. При постоянном воздействии частиц МП (25 мг/л) данный эффект выражен слабее.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>The effect of a combination of polystyrene microparticles of various origins and copper ions on the development of classical test objects of the branched crustacean Daphnia magna in chronic experiments over four generations was studied. The article considers two variants of the impact of microplastic particles on culture — short-term (exposure during the first seven days) and permanent (over four generations). The effect of short-term exposure was considered for a polystyrene sample taken from the supralittoral of the Barents Sea, as well as for a new sample. In this part of the study, it was assumed that environmental pollution with high concentrations of MP (50 mg/L) is temporary. At the same time, the increased content of copper ions in the water may remain constant. The effect of continuous exposure was evaluated only for samples taken from the environment. In order to bring the experimental conditions closer to natural ones, it was decided to reduce the concentration of MP (25 mg/L). In all cases, the copper ion content in the solution remained constant (0.05 mg/L) throughout all generations. With short-term exposure to MP particles (50 mg/L), a protective effect was observed in the presence of copper ions, expressed in an increase in the life expectancy of individuals compared with groups not exposed to MP. With constant exposure to MP particles (25 mg/L), this effect weakens.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>микропластик</kwd>
    <kwd>полистирол</kwd>
    <kwd>биотестирование</kwd>
    <kwd>Daphnia magna</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>microplastic</kwd>
    <kwd>polystyrene</kwd>
    <kwd>bioassay</kwd>
    <kwd>Daphnia magna</kwd>
   </kwd-group>
   <funding-group>
    <funding-statement xml:lang="ru">Исследование выполнено в рамках государственного задания МГУ им. М.В. Ломоносова при поддержке Программы развития МГУ, проект № 23-Ш07-44.</funding-statement>
   </funding-group>
  </article-meta>
 </front>
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