Lakes and Water Management: Proceedings of the 30 Years Jubilee Symposium of the Finnish Limnological Society, held in Helsinki, Finland, 22–23 September 1980

Front Matter....Pages I-IX
The first half century of limnology in Finland....Pages 1-7
Front Matter....Pages 9-9
Dynamics of phytoplankton in Finnish lakes....Pages 11-20
Dispersion patterns of phytoplankton in lakes....Pages 21-28
On the annual variation of phytoplankton biomass in Finnish inland waters....Pages 29-31
Dynamics of phytoplankton in the brackish-water inlet Pojoviken, southern coast of Finland....Pages 33-39
Carbon, phosphorus and nitrogen budgets of the littoral Equisetum belt in an oligotrophic lake....Pages 41-53
The diversity, biomass and production of zooplankton in Lake Inarijärvi....Pages 55-59
The food and parasites of fish in some deep basins of northern L. Päijänne....Pages 61-65
Size and structure of crayfish (Astacus astacus) populations on different habitats in Finland....Pages 67-72
Seasonal and spatial distribution of humus fractions in a chain of polyhumic lakes in southern Finland....Pages 73-80
The role of nitrogen as a growth limiting factor in the eutrophic Lake Vesijärvi, southern Finland....Pages 81-85
Seasonal succession of phytoplankton in an ice-free pond warmed by a thermal power plant....Pages 87-91
The annual flood regime as a regulatory mechanism for phytoplankton production in Kainji lake, Nigeria....Pages 93-97
The effect of land use on the diatom communities in lakes....Pages 99-103
Convection in bottom sediments and its role in material exchange between water and sediments....Pages 105-108
Winter microbial activity in Lake Tuusulanjärvi....Pages 109-113
The influence of sulphite mill effluents on heterotrophic activity as measured by glucose assimilation....Pages 115-119
Establishing the pattern of heterotrophic bacterial activity in three Central Amazonian lakes....Pages 121-126
Front Matter....Pages 127-127
Nutrient dependence of phytoplankton production in brown-water lakes with special reference to Lake Päijänne....Pages 129-132
An oxygen model for Lake Haukivesi....Pages 133-139
Front Matter....Pages 141-141
Limnological research can improve and reduce the cost of monitoring and control of water quality....Pages 143-146
The limnological basis for planning water quality management....Pages 147-151
The phosphorus economy of a hypertrophic seepage lake in Scania, south Sweden groundwater influence....Pages 153-158
Changes in quality of Finnish inland waters revealed by grouping analysis....Pages 159-160
Muddy odour: a problem associated with extreme eutrophication....Pages 161-164
Factors influencing odour production by actinomycetes....Pages 165-170
Faecal indicator bacteria at fish farms....Pages 171-175
Goals, methods and possibilities for directing development of limnic ecosystems....Pages 177-183
Changes in the phytoplankton of Lake Trummen induced by restoration....Pages 185-193
The recovery of L. Vesijärvi following sewage diversion....Pages 195-199
Experimental manipulations of the fish populations in Windermere....Pages 201-205
The management of fisheries in Lake Vörtsjärv....Pages 207-210
A plan for fisheries management in the lakes drained by the Oulujoki river....Pages 211-217
Fish stock assessments in Lake Konnevesi....Pages 219-222