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DatoValore
TitleFreshwater Oligochaeta in two mountain ranges in Europe: the Tatra Mountains (Poland) and the Alps (Italy)
AbstractThe oligochaete fauna of littoral zones, inflows and outflows of 11 lakes in the Polish Tatra Mountains and 10 lakes in the Italian Alps were compared. The study lakes were located in the alpine zone, they varied in size and depth, and were found prevalently on acidic crystalline bedrock containing a small percentage of calcareous rocks. On average, Oligochaeta represented from 10 to 17% of the total benthic fauna. Enchytraeidae had the highest number of species (7 per group of lakes), while Naididae were next with 3 species. Common Enchytraeidae genera were: Cognettia, represented by the same species in both mountain ranges, and Cernosvitoviella, with 1 species in the Polish lakes (Cernosvitoviella tatrensis) and 3 species in the Italian lakes (Cernosvitoviella ampullax, C. atrata and C. microtheca). In the Naididae, the genus Nais was represented by 3 species in the two lake groups, but only 2 species with high percentages (Nais variabilis in the Tatras and Nais communis in the Alps). Although Naididae are more likely to be found in freshwater with more favourable environmental conditions, no correlation existed between pH or alkalinity and their geographical distribution. The results of a two-year study on Lake Czarny pod Rysami (Tatras) are also presented, highlighting the lower number of species collected in the present campaign than in the previous one, due to different sampling methods.
SourceArchiv für Hydrobiologie 168/3, pp. 231–242
KeywordsAlpine lakesEnchytraeidaeNaididae
JournalArchiv für Hydrobiologie
EditorSchweizerbart, Stuttgart, Germania
Year2007
TypeArticolo in rivista
AuthorsDumnicka E.(1), Boggero A.
Text52976 2007 Alpine lakes Enchytraeidae Naididae Freshwater Oligochaeta in two mountain ranges in Europe the Tatra Mountains Poland and the Alps Italy Dumnicka E. 1 , Boggero A. 1 Inst. of Nature Conservation, Polish Academy of Sciences, 31120 Krakow, Poland The oligochaete fauna of littoral zones, inflows and outflows of 11 lakes in the Polish Tatra Mountains and 10 lakes in the Italian Alps were compared. The study lakes were located in the alpine zone, they varied in size and depth, and were found prevalently on acidic crystalline bedrock containing a small percentage of calcareous rocks. On average, Oligochaeta represented from 10 to 17% of the total benthic fauna. Enchytraeidae had the highest number of species 7 per group of lakes , while Naididae were next with 3 species. Common Enchytraeidae genera were Cognettia, represented by the same species in both mountain ranges, and Cernosvitoviella, with 1 species in the Polish lakes Cernosvitoviella tatrensis and 3 species in the Italian lakes Cernosvitoviella ampullax, C. atrata and C. microtheca . In the Naididae, the genus Nais was represented by 3 species in the two lake groups, but only 2 species with high percentages Nais variabilis in the Tatras and Nais communis in the Alps . Although Naididae are more likely to be found in freshwater with more favourable environmental conditions, no correlation existed between pH or alkalinity and their geographical distribution. The results of a two year study on Lake Czarny pod Rysami Tatras are also presented, highlighting the lower number of species collected in the present campaign than in the previous one, due to different sampling methods. 168/3 Published version Dumnicka, E. A. Boggero. 2007. Freshwater Oligochaeta in two mountain ranges in Europe the Tatra Mountains Poland and the Alps Italy . Fundamental and Applied Limnology, Archiv fur Hydrobiologie, 168/3 231 242. Articolo in rivista Schweizerbart 0003 9136 Archiv fur Hydrobiologie Archiv fur Hydrobiologie Arch. Hydrobiol. Archiv fur Hydrobiologie. angela.boggero BOGGERO ANGELA TA.P02.014.002 Impatto dei cambiamenti globali sugli ecosistemi acquatici