Export of aquatic productivity, including highly unsaturated fatty acids, to terrestrial ecosystems via Odonata
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http://www.sciencedirect.com/science/article/pii/S0048969717300177https://elib.sfu-kras.ru/handle/2311/70198
Автор:
Popova, O. N.
Haritonov, A. Y.
Sushchik, N. N.
Makhutova, O. N.
Kalachova, G. S.
Kolmakova, A. A.
Gladyshev, M. I.
Коллективный автор:
Институт фундаментальной биологии и биотехнологии
Кафедра водных и наземных экосистем
Дата:
2017-03Журнал:
Science of the Total EnvironmentКвартиль журнала в Scopus:
Q1Квартиль журнала в Web of Science:
Q1Библиографическое описание:
Popova, O. N. Export of aquatic productivity, including highly unsaturated fatty acids, to terrestrial ecosystems via Odonata [Текст] / O. N. Popova, A. Y. Haritonov, N. N. Sushchik, O. N. Makhutova, G. S. Kalachova, A. A. Kolmakova, M. I. Gladyshev // Science of the Total Environment. — 2017. — 581–582. — С. 40-48Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.
Аннотация:
Based on 31-year field study of the abundance and biomass of 18 species of odonates in the Barabinsk Forest–
Steppe(Western Siberia, Russia),we quantified the contribution of odonates to the export of aquatic productivity
to surrounding terrestrial landscape. Emergence varied from 0.8 to 4.9 g of wet biomass per m2 of land area per
year. Average export of organic carbon was estimated to be 0.30 g·m−2·year−1, which is comparable with the
average production of herbivorous terrestrial insects in temperate grasslands. Moreover, in contrast to terrestrial
insects, emerging odonates contained high quantities of highly unsaturated fatty acids (HUFA), namely
eicosapentaenoic acid (20:5n-3, EPA), and docosahexaenoic acid (22:6n-3, DHA), which are known to be essential
for many terrestrial animals, especially for birds. The export of EPA+DHA by odonates was found to be 1.92–
11.76 mg·m−2·year−1, which is equal to an average general estimation of the export of HUFA by emerging
aquatic insects. Therefore, odonates appeared to be a quantitatively and qualitatively important conduit of aquatic
productivity to forest-steppe ecosystem.
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