Biology 1 (2015 8) 66-84 ~ ~ ~ УДК 574.583 Plankton Community in the Pelagic and Littoral Zones of the Overgrown Lake Beloe (Volzhsko-Kamskiy Biosphere Natural State Reserve, Republic of Tatarstan, Russian Federation) Svetlana V. Bykovaa Elena N. Unkovskayab a b Оksana V. Mukhortovaa , Natalia G. Tarasovaa and Sergey E. Bolotovc *, , Institute of Ecology of the Volga River Basin RAS 10 Komzina, Togliatti, 445003, Russia Volzhsko-Kamskiy Biosphere Natural State Reserve Sadovyi, Raifa, Zelenodolskiy District, Republic of Tatarstan, 422537, Russia c Institute for Biology of Inland Waters RAS Borok, 152742, Russia Received 16.10.2014, received in revised form 20.12.2014, accepted 09.02.2015 Comparative analysis of different groups of the planktonic community (phytoplankton, protozoo- and zooplankton) was performed in the pelagic and littoral zones of overgrown Lake Beloe (VolzhskoKamskiy Biosphere Natural State Reserve, Republic of Tatarstan, Russain Federation). <...> We detected a remarkable diversity of both pelagic and sublittoral plankton. <...> The planktonic community of the macrophyte zone differs from the community of pelagic zone in a species composition and in larger species diversity. <...> All rights reserved * Corresponding author E-mail address: muhortova-o@mail.ru # 66 # Оksana V. Mukhortova, Svetlana V. Bykova… Plankton Community in the Pelagic and Littoral Zones of the Overgrown… Характеристика планктонного сообщества пелагической и литоральной зоны зарастающего мезотрофного озера Белое (Волжско-Камский биосферный природный государственный заповедник, Республика Татарстан) Н. <...> Introduction The littoral zone of a lake is known to be an area with a specifi c complex of conditions that infl uences the entire lake ecosystem (Nurminen, 2003; Carpenter et al., 1992; Schindler et al., 1996). <...> Macrophytes are an important component in regulating the biological structure of a lake (Timms, Moss, 1984; Schriver et al., 1995). <...> Macrophyte occurrence in a lake and degree of its overgrowth show trophic conditions of a lake (Schulthorpe, 1967; Toivonen, Huttunen, 1995). <...> Complex relations between planktonic organisms and between planktonic organisms and macrophytes are a subject matter and a basis for making hypothesis and theories for different scientists (Scheffer et al., 1993, 1992; Jeppesen et al., 1998). <...> Usually, sublittoral planktonic community <...>