1. St. Petersburg State University, Universitetskaya Emb. 7/9, St. Petersburg, 199034, Russia; Kandalaksha Nature Reserve, Lineynaya 35, Kandalaksha, 184042, Russia
2. Novosibirsk State University, Pirogova Str. 2, Novosibirsk, 630090, Russia; Novosibirsk division of Institute for Water and Environmental Problems of the Siberian Branch of the RAS (ND IWEP SB RAS), Morskoy Ave. 2, Novosibirsk, 630090, Russia
3. The Herzen State Pedagogical University of Russia, Moyka emb. 48, St. Petersburg, 191186, Russia
4. St. Petersburg State University, Universitetskaya Emb. 7/9, St. Petersburg, 199034, Russia