Lakes and Water Management

The first half century of limnology in Finland.- One: Structure and Function of Lake Ecosystems.- 1.1 Unpolluted waters.- Dynamics of phytoplankton in Finnish lakes.- Dispersion patterns of phytoplankton in lakes.- On the annual variation of phytoplankton biomass in Finnish inland waters.- Dynamics of phytoplankton in the brackish-water inlet Pojoviken, southern coast of Finland.- Carbon, phosphorus and nitrogen budgets of the littoral Equisetum belt in an oligotrophic lake.- The diversity, biomass and production of zooplankton in Lake Inarijärvi.- The food and parasites of fish in some deep basins of northern L. Päijänne.- Size and structure of crayfish (Astacus astacus) populations on different habitats in Finland.- Seasonal and spatial distribution of humus fractions in a chain of polyhumic lakes in southern Finland.- 1.2 Eutrophic and polluted waters.- The role of nitrogen as a growth limiting factor in the eutrophic Lake Vesijärvi, southern Finland.- Seasonal succession of phytoplankton in an ice-free pond warmed a thermal power plant.- The annual flood regime as a regulatory mechanism for phytoplankton production in Kainji lake, Nigeria.- The effect of land use on the diatom communities in lakes.- Convection in bottom sediments and its role in material exchange between water and sediments.- Winter microbial activity in Lake Tuusulanjärvi.- The influence of sulphite mill effluents on heterotrophic activity as measured glucose assimilation.- Establishing the pattern of heterotrophic bacterial activity in three Central Amazonian lakes.- Two: Modelling.- Nutrient dependence of phytoplankton production in brown-water lakes with special reference to Lake Päijänne.- An oxygen models for Lake Haukivesi.- Three: Water Management.- 3.1. Water quality control.-Limnological research can improve and reduce the cost of monitoring and control of water quality.- The limnological basis for planning water quality management.- The phosphorus economy of a hypertrophic seepage lake in Scania, south Sweden - groundwater influence.- Changes in quality of Finnish inland waters revealed grouping analysis.- Muddy odour: a problem associated with extreme eutrophication.- Factors influencing odour production actinomycetes.- Faecal indicator bacteria at fish farms.- 3.2 Restoration of lakes.- Goals, methods and possibilities for directing development of limnic ecosystems.- Changes in the phytoplankton of Lake Trummen induced restoration.- The recovery of L. Vesijärvi following sewage diversion.- 3.3. Fisheries.- Experimental manipulations of the fish populations in Windermere.- The management of fisheries in Lake Vörtsjärv.- A plan for fisheries management in the lakes drained the Oulujoki river.- Fish stock assessments in Lake Konnevesi.