Do you want to know the ecology of Lake Seliger - this unique aquatic ecosystem that unites more than 20 beautiful lakes? Learn about its climatic, geographical, hydrobiological and other features. Evaluate the water quality of individual areas and study environmentally friendly and informative water routes. Learn about wind currents, directions of migration of aquatic organisms (zooplankton, phytoplankton, fish), as well as biogenic substances polluting water. The composition and properties of bottom sediments, the content of various chemical ingredients, including heavy metals, will indicate to you the most anthropogenically and technologically contaminated zones of Lake Seliger.