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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">sergeogr</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Российской академии наук. Серия географическая</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2587-5566</issn><issn pub-type="epub">2658-6975</issn><publisher><publisher-name></publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.7868/S2658697525050097</article-id><article-id custom-type="elpub" pub-id-type="custom">sergeogr-3023</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>РЕГИОНАЛЬНЫЕ ГЕОГРАФИЧЕСКИЕ ПРОБЛЕМЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REGIONAL GEOGRAPHICAL PROBLEMS</subject></subj-group></article-categories><title-group><article-title>Оценка фитомассы смешанного древостоя на Камчатке методом дендрохронологии</article-title><trans-title-group xml:lang="en"><trans-title>Assessment of Mixed Forest Stand Biomass in Kamchatka Using Tree-Rings</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>Долгова</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dolgova</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">dolgova@igras.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>Бушуева</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bushueva</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">bushueva@igras.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>Бичурин</surname><given-names>Р. Р.</given-names></name><name name-style="western" xml:lang="en"><surname>Bichurin</surname><given-names>R. R.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">terpomo@bk.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>Кузнецова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuznetzova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">kuznetsova@igras.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>Мацковский</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Matskovsky</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">matskovsky@igras.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>Семеняк</surname><given-names>Н. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Semenyak</surname><given-names>N. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">semenyak@igras.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт географии РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Geography, Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>10</day><month>02</month><year>2026</year></pub-date><volume>89</volume><issue>5</issue><fpage>828</fpage><lpage>842</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Долгова Е.А., Бушуева И.С., Бичурин Р.Р., Кузнецова В.В., Мацковский В.В., Семеняк Н.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Долгова Е.А., Бушуева И.С., Бичурин Р.Р., Кузнецова В.В., Мацковский В.В., Семеняк Н.С.</copyright-holder><copyright-holder xml:lang="en">Dolgova E.A., Bushueva I.S., Bichurin R.R., Kuznetzova V.V., Matskovsky V.V., Semenyak N.S.</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://izvestia.igras.ru/jour/article/view/3023">https://izvestia.igras.ru/jour/article/view/3023</self-uri><abstract><p>Представлены результаты работ по определению фитомассы древостоев Камчатки и скорости их углеродного депонирования на основе дендрохронологического метода. Для Камчатского полуострова на сегодняшний день нет данных измерений фитомассы, с помощью которых можно было бы построить породоспецифичные региональные аллометрические зависимости. Проблема отсутствия данных решалась с помощью привлечения рядов измерений из ближайших районов (Магаданская область и горы Сихотэ-Алиня). Реконструкция значений фитомас- сы основана на данных ширины годичных колец тополя, березы, лиственницы и измеренных в полевых условиях диаметров стволов. В работе показано, что динамика фитомассы определяется двумя параметрами: изменчивостью летних температур воздуха и антропогенным фактором. Обнаруженная нами положительная связь с температурой воздуха лета у хронологий по ширине годичных колец тополя, березы и лиственницы является весомым доказательством вклада этого параметра в изменчивость фитомассы. Обнаружено, что связь фитомассы с температурой ослабевает в 1940-е и 1960-е годы, когда зафиксированные массовые рубки и пожары в районе с. Эссо привели к увеличению прироста за счет увеличения освещенности. Ряды полученной в работе реконструкции фитомассы и чистой первичной продукции практически полностью совпадают за общий 22-летний период. Учитывая, что оба ряда получены независимыми друг от друга методами — на основе ширины годичных колец и данных дистанционного зондирования земли, можно говорить о высокой достоверности предлагаемой в исследовании реконструкции. Короткие ряды данных чистой первичной продукции, полученные по данным дистанционного зондирования земли, не позволяют оценить долгопериодные изменения, поскольку охватывают лишь последние десятилетия, в то время как дендрохронологический метод сможет дать оценку фитомассы за несколько столетий.</p></abstract><trans-abstract xml:lang="en"><p>In this study, the results of tree-ring based biomass reconstruction as well as carbon uptake of Kamchatka forest stands are presented. Up till now, there are no biomass instrumental measurements available for the Kamchatka Peninsula that could be used to develop species-specific regional allometric models. The problem of lack of data was solved by using measurement series from nearby areas (Magadan oblast and the Sikhote-Alin Mountains). The biomass reconstruction is based on the tree-ring width chronologies of poplar, birch, larch and trunk diameters measured in the field. The results show that the biomass variation is determined by two parameters: summer air temperatures variations and the anthropogenic factor. Positive response of all tree-ring width chronologies to summer air temperatures is strong evidence of the contribution of this parameter to the variability of biomass. It was found that the relationship between biomass and temperature weakened in the 1940s and 1960s, when the recorded vast logging and fires in the area of the Esso settlement led to an increase in tree growth due to an increase in light availability. The reconstructed biomass and net primary production series almost completely coincide for a whole common 22-year period. Considering that both series were obtained by independent methods — based on the tree-ring width and remote sensing data, the tree-ring based biomass reconstruction is highly reliable. Short series of net primary production data obtained from remote sensing do not allow us to assess past long-term changes, since it covers only the last decades, while the tree-rings can provide the biomass estimate for several centuries.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дендрохронология</kwd><kwd>Камчатка</kwd><kwd>фитомасса</kwd><kwd>климатический сигнал</kwd><kwd>чистая первичная продукция</kwd><kwd>данные дистанционного зондирования</kwd><kwd>MODIS</kwd></kwd-group><kwd-group xml:lang="en"><kwd>dendrochronology</kwd><kwd>Kamchatka</kwd><kwd>biomass</kwd><kwd>climatic response function</kwd><kwd>net primary production</kwd><kwd>remote sensing data</kwd><kwd>MODIS</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке гранта РНФ № 22-17-00159, полевые работы частично проводились в рамках темы Государственного задания ИГ РАН № FMWS-2024-0004.</funding-statement><funding-statement xml:lang="en">This work was supported by the Russian Scientific Foundation, project no. 22-17-00159. 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