Biology 1 (2015 8) 85-104 ~ ~ ~ УДК 567.5:581.526.323 Estimation of Amino Acid Quality of Food for Benthic Invertebrates and Fish on the Basis of Comparative Study of Amino Acids of Periphyton and Zoobenthos of the Yenisey River Anzhelika A. <...> Kolmakovaа Elena A. Ivanovaa,b Galina S. Kalachovaа *, Michail I. Gladyshevа,b , Elena S. Kravchukа , , and Nadezhda N. Sushchikа,b аInstitute of Biophysics of SB RAS 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia b Siberian Federal University 79 Svobodny, Krasnoyarsk, 660041, Russia Received 04.11.2014, received in revised form 19.12.2014, accepted 14.01.2015 Аmino acid (AA) composition of periphyton and zoobenthos of the shallow part in the middle section of the Yenisei River on the basis of monthly sampling during 2007-2010 was studied. <...> Seasonal variations in the amino acid profi le of periphyton were detected, which may be related to seasonal succession of microalgae species. <...> The imbalance in amino acid profi le of macrozoobenthos compared to its food, that is periphyton, in respect of two essential amino acids – lysine and histidine, was shown. <...> The nutritional value of Gammarus – the recent invader in the studied section of the Yenisei River was evaluated and compared to that of indigenous taxa – trichopteran and chironomid larvae. <...> All rights reserved * Corresponding author E-mail address: angelika_@inbox.ru # 85 # Anzhelika A. <...> Estimation of Amino Acid Quality of Food for Benthic Invertebrates… <...> Оценка аминокислотного качества пищи бентосных беспозвоночных и рыб на основе сравнительного изучения аминокислот перифитона и зообентоса р. <...> Выявлены сезонные колебания профиля аминокислот в перифитоне, которые могут быть связаны с сезонной сукцессией видов микроводорослей. <...> Обнаружены достоверные различия <...>