This volume contains papers presented either in oral or poster form at the international symposium `Limnology of Mountain Lakes', held at Stará Lesná (Slovakia) between 1 and 7 July 1991. Several papers covered contributions from the fields of physical and chemical limnology, palaeolimnology, zooplankton, phytoplankton and phytobenthos, and bacteria. Acidification, a process affecting water chemistry and biota of many mountain lakes in Europe was dealt with also. A series of papers on the lakes in Sumava has highlighted different aspects of these lakes, which are in the last stage of acidification. Other geographical areas covered extensively were the Tatras and the Alps.

Inhalt
Diatoms, lake acidification and the Surface Water Acidification Programme (SWAP): a review.- Lipid storage in Diaptomus kenai (Copepoda; Calanoida): effects of inter- and intraspecific variation in food quality.- Nitrogen in the Pyrenean lakes (Spain).- Plankton dynamics in a high mountain lake (Las Yeguas, Sierra Nevada, Spain). Indirect evidence of ciliates as food source for zooplankton.- Acidification of lakes in umava (Bohemia) and in the High Tatra Mountains (Slovakia).- Chemical characteristics of lakes in the High Tatra Mountains, Slovakia.- Paleolimnological records of carotenoids and carbonaceous particles in sediments of some lakes in Southern Alps.- Algal flora of lakes in the High Tatra Mountains (Slovakia).- Acidification and weathering processes in high mountain lakes in Southern Alps.- Reconstruction of pH chrysophycean scales in some lakes of the Southern Alps.- A survey on water chemistry and plankton in high mountain lakes in northern Swedish Lapland.- Cyclops scutifer SARS in Lake Latnjajaure, Swedish Lapland.- Comparison of diatom communities in remote high-mountain lakes using index B and cluster analysis.- Zooplankton decline in the ?erné Lake (umava Mountains, Bohemia) as reflected in the stratification of cladoceran remains in the sediment.- Characterization of carbonaceous particles from lake sediments.- Autotrophic picoplankton community dynamics in a pre-alpine lake in British Columbia, Canada.- Chemical properties of an acidified humic headwater lake with respect to reducing acidic depositions and expected climate change.- Limnological research on northern Apennine lakes (Italy) in relation to eutrophication and acidification risk.- The effect of anthropogenic acidification on the hydrofauna of the lakes of the West Tatra Mountains(Slovakia).- Chlorophyllphosphorus relationship in acidified lakes of the High Tatra Mountains (Slovakia).- Acidification of small mountain lakes in the High Tatra Mountains, Poland.