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Water moss as a food item of the zoobenthos in the Yenisei River / G. S. Kalachova [et al.] // Central European Journal of Biology. - 2011. - Vol. 6, Is. 2. - P236-245, DOI 10.2478/s11535-010-0115-0 . - ISSN 1895-104X
Кл.слова (ненормированные):
Acetylenic fatty acids -- Bryophytes -- Fontinalis -- Gammarids -- Stable isotope analysis -- Trichopterans -- Animalia -- Bryophyta -- bryophytes -- Chironomidae -- Ephemeroptera -- Eulimnogammarus viridis -- Fontinalis -- Fontinalis antipyretica -- Gammaridae -- Invertebrata -- Trichoptera
Аннотация: Bryophytes are abundant in streams and are a habitat for many invertebrates, but their contribution to the diet of fluvial zoobenthos is still debated. To estimate the amount of bryophyte-derived organic matter assimilated by benthic invertebrates, we used a combination of fatty acid and stable isotope analyses during a four-year monthly study of a littoral site in the Yenisei River (Siberia, Russia). Acetylenic acids, which are highly specific biomarkers of the water moss Fontinalis antipyretica, were found in lipids of all dominant benthic animals: gammarids, ephemeropterans, chironomids and trichopterans. The dominant zoobenthic species, Eulimnogammarus viridis, had maximum levels of the biomarkers in its biomass during winter, and minimum levels in summer. The zoobenthos in the studied site regularly consume and assimilate bryophyte-derived organic matter as a minor supplemental food. This consumption increases in winter, when the main food source of the zoobenthos, epilithic biofilms, are probably scarce. В© 2010 Versita Warsaw and Springer-Verlag Wien.

Scopus
Держатели документа:
Institute of Biophysics of Siberian Branch of the Russian Academy of Science, 660036 Krasnoyarsk, Russian Federation
Siberian Federal University, 660041 Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Kalachova, G.S.; Gladyshev, M.I.; Sushchik, N.N.; Makhutova, O.N.

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Comparison of fatty acid composition in major lipid classes of the dominant benthic invertebrates of the Yenisei river [Text] / N. N. Sushchik [et al.] // Comp. Biochem. Physiol. B-Biochem. Mol. Biol. - 2003. - Vol. 134, Is. 1. - P. 111-122, DOI 10.1016/S1096-4959(02)00191-4. - Cited References: 30 . - ISSN 1096-4959

РУБ Biochemistry & Molecular Biology + Zoology
Рубрики:
LAKE-ERKEN
   BIOMARKERS
   BACTERIA
   MARKERS
   DIET
   FISH
   N-3
Кл.слова (ненормированные):
fatty acids -- triacylglycerols -- polar lipids -- gammarids -- aquatic larvae of insects
Аннотация: The composition and content of fatty acids (FAs) in total lipids, triacylglycerols (TAG) and polar lipids (PL) in dominant groups of benthic invertebrates: gammarids (Gammaridae, Amphipoda), chironomid larvae (Chironomidae, Diptera), caddisfly larvae (Trichoptera) and mayfly larvae (Ephemeroptera) were studied in the Yenisei river. For the first time data on the FA composition of species belonging to Trichoptera (Insecta) are presented. The groups of aquatic insect larvae and gammarids weakly differed in total content of essential polyunsaturated fatty acids (PUFAs). Hence, the strong invasion of gammarids which occurred in the last decades in the Yenisei river should not result in a decrease in potential yield of essential PUFA in the ecosystem and corresponding decrease in food resource quality for fish in respect to PUFA content. Significant differences in biomarker FAs in TAG were found which correlated to specific food sources. Different levels of long-chain PUFA in PL of the invertebrates are discussed in relation to the genetic ability of particular taxa to form these FAs. (C) 2002 Elsevier Science Inc. All rights reserved.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Sushchik, N.N.; Gladyshev, M.I.; Moskvichova, A.V.; Makhutova, O.N.; Kalachova, G.S.

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Content of polyunsaturated fatty acids essential for fish nutrition in zoobenthos species / O. N. Makhutova [et al.] // Freshwater Sci. - 2016. - Vol. 35, Is. 4. - P1222-1234, DOI 10.1086/688760 . - ISSN 2161-9549
Кл.слова (ненормированные):
Fatty acids -- Fish -- Food quality -- Invasion -- Invertebrates -- Bryozoa -- Coleoptera -- Crustacea -- Dytiscus -- Ephemeroptera -- Gammaridae -- Hirudinea -- Insecta -- Invertebrata -- Mollusca -- Plumatella emarginata -- Polychaeta -- Trichoptera -- Turbellaria
Аннотация: Content of eicosapentaenoic acid (EPA, 20 : 5n-3) and docosahexaenoic acid (DHA, 22 : 6n-3) and the n-3/n-6 ratio are important indicators of nutritive value of aquatic invertebrates as food for fish. We studied fatty acid (FA) content and composition of 68 zoobenthic species. Benthic invertebrates differed significantly in their contents of EPA and DHA and n-3/n-6 ratios. The most valuable food for fish were Insecta, especially Ephemeroptera and Trichoptera, Gammaridae, and Turbellaria (Dendrocaelopsis sp.). The invertebrates of low food quality for fish were Hirudinea, Mollusca, Oligochaeta, Bryozoa (Plumatella emarginata), and Coleoptera (Dytiscus lapponicus). Our data suggest that the recent and ongoing global replacement of native species, mainly Insecta, by invaders, mostly represented by Mollusca, Crustacea, Polychaeta, Oligochaeta, Bryozoa, and Hirudinea, probably will reduce the nutritive value of food sources for benthivorous fish. In addition, some of the taxa studied have peculiar FAs, which may be useful as their markers in trophic webs. Thus, 20 : 1n-13, 20 : 2n-6, 22 : 5n-3, and 22 : 6n-3 are likely to be considered markers of Mollusca, Hirudinea, Turbellaria, and Gammaridae, respectively, for tracing food webs in freshwater ecosystems. © 2016 by The Society for Freshwater Science.

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Держатели документа:
Institute of Biophysics, Siberian Branch of Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, Svobodny Av. 79, Krasnoyarsk, Russian Federation
Institute of Problems of Development of the North, Siberian Branch of Russian Academy of Sciences, Malygina Str., Tyumen, Russian Federation
Institute of Biology, Komi Scientific Center, Ural Division, Russian Academy of Science, 28 Kommunisticheskaya Str., Syktyvkar, Russian Federation
Institute for Biology of Inland Waters, Russian Academy of Science, Borok, Russian Federation

Доп.точки доступа:
Makhutova, O. N.; Shulepina, S. P.; Sharapova, T. A.; Dubovskaya, O. P.; Sushchik, N. N.; Baturina, M. A.; Pryanichnikova, E. G.; Kalachova, G. S.; Gladyshev, M. I.

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