The chemistry of 53 lakes at various stages of acidification and inhabited (at the presence and/or in the past) by pelagic Crustacea was studied in September 1984. Ten of these lakes were investigated in detail biannually (July and October 1987-1990). The July results reflect the influence of snowme
The effect of anthropogenic acidification on the hydrofauna of the lakes of the West Tatra Mountains (Slovakia)
✍ Scribed by Marian Vranovský; Il'ja Krno; Ferdinand Šporka; Jozef Tomajka
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 437 KB
- Volume
- 274
- Category
- Article
- ISSN
- 1573-5141
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✦ Synopsis
Fourteen West Tatra lakes were studied, of which one could be considered to be recently anthropogenically acidified and eight others classified as acidification-endangered. In the anthropogenically acidified lake, the zooplankton assemblage has been substantially altered (three mountain-lake crustacean species have been eliminated). Several littoral macrobenthic species sensitive to acidification have either been eliminated from the acidified and acidification-endangered lakes or occur only sporadically. The effect of acidification has so far not been observed on the benthic fauna of the lakes medial which is probably due to the higher pH below the surface of sediment. In comparison with the High Tatra, acid depositions have had a less pronounced effect on the lakes of the West Tatra.
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Eighty seven from a total of 120 lakes in the Slovak part of the High Tatra Mts. have been visited since 1982. Their summer phytoplankton and algae growing on stones were collected, identified and documented.
Concentrations of total phosphorus (TP) and chlorophyll a (CHLA) were measured in 28 lakes in the High Tatra Mountains (Slovakia) from 1983 to 1990. The relationship between log CHLA and log TP in the Tatra lakes is similar to relationships developed for lakes in other regions, but variation is high