## Abstract The aim of the study was to estimate the influence of environmental conditions resulting from coal mining on the diversity of bottom oligochaete communities in subsidence ponds. In the ponds studied 17 oligochaete species representing the families Lumbriculidae (1 species), Enchytraeida
Communities of oligochaetes in mountain streams of Poland
β Scribed by Elzbieta Dumnicka
- Publisher
- Springer
- Year
- 1994
- Tongue
- English
- Weight
- 306 KB
- Volume
- 278
- Category
- Article
- ISSN
- 1573-5141
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β¦ Synopsis
This study compares the structure of oligochaete communities in mountain streams of Poland. These streams can be divided into three groups. First, those dominated by the Enchytraeidae (Mesenchytraeus armatus), second where the Naididae, Nais bretscheri, Nais alpina, Nais communis or Nais variabilis prevail and third, where the Lumbriculidae, represented by Stylodrilus heringianus, and in one case by Stylodrilus parvus, are dominant. The nature of the stream bottom is the main factor determining the structure of the community, but geographic location is also important.
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## Abstract Investigations were carried out at two sites on a low order mountain stream in order to characterise the role of macroinvertebrates in organic matter decomposition. Total benthic organic matter content ranged from 6 to 1304 g AFDM m^β2^. The fine fraction constituted more than 50% of th