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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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