Location and physico-geographical conditions of the catchment area History of research into Lake Võrtsjärv Geology of the lake basin Evolution of the lake Main features of river geology Shores Bottom deposits Chemistry of lake water and bottom sediments Hydrology of Lake Võrtsjärv Light conditions in Lake Võrtsjärv Pollution load to Lake Võrtsjärv Toxic substances and their effects on the biota in Lake Võrtsjärv Macrophytes Bacterioplankton Phytoplankton Zooplankton Planktonic ciliates Zoobenthos Fishes and fisheries management Birds of Lake Võrtsjärv Amphibians, reptiles and mammals Food webs in Lake Võrtsjärv Long-term changes in the ecosystem of Lake Võrtsjärv and their causes Prehistoric settlement of the Võrtsjärv area Economic and social geography of the Lake Võrtsjärv catchment area Holiday business in the Võrtsjärv area Võrtsjärv Limnological Station Lake Võrtsjärv and its fish in folklore Development plan of the Võrtsjärv area References Authors