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The recently revised check-list of diatoms found in Germany contains 1437 taxa (1632 taxa have been recorded for Central Europe). Clear correlations with ecological conditions were established for 1000 taxa (70% of 1437). 267 predominantly marine taxa also occur in inland waters; they penetrate progressively into rivers contaminated with industrial waste waters. 61 taxa are aerophilic and 164 eutraphentic, 91 tolerant to all trophic conditions. Very few species in these ecological groupings are endangered. However, at last 417 oligo- or slightly mesotraphentic taxa are included in the "Red List". This strongly indicates that conserving oligo- and dystrophic waters as well as lower mesotrophic habitats can best protect species diversity.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
5--12
Opis fizyczny
Bibliogr. 7 poz., wykr.
Twórcy
autor
- Botanical Institute, J.W. Goethe-University, Postfach 111932, D-60054 Frankfurt a. M., Germany
Bibliografia
- [1.] Bundesamt für Naturschutz, 1996. Rote Liste gefährdeter Pflanzen Deutschlands, Schriften-Rf Vegetationskunde, Bonn, 28, 1-739.
- [2.] Hustedt, F., 1930, Bacillariophyta (Diatomeae). [in]: Die Süsswasserflora Mitteleuropas. (Pascher A, ed), G. Fischer, Jena, vol.10.
- [3.] Krause I., 1994, Benthische Diatomeen-Gesellschaften im Zuge veränderter Wasserqualitäten im Rhein zwischen Ludwigshafen und Lorch von 1974 - 1993, Schriften-R- Hessische.
- [4.] Landesanstalt für Umwelt, Wiesbaden, 182, 1-157.
- [5.] LANGE-BERTALOT H., 1979, Pollution tolerance of diatoms as a criterion for water quality estimation, Nova Hedwigia Beiheft, 64, 285-305
- [6.] LANGE-BERTALOT H., 1996, Rote Liste der limnischen Kieselalgen (Bacillariophyceae) Deutschlands, Schriften-R. f. Vegetationskunde, 28, 633-678.
- [7.] LANGE-BERTALOT H., Metzeltin D., 1996, Indicators of Oligotrophy, 800 taxa representative of the three ecologically distinct lake types, carbonate-buffered - oligotrophic - weakly buffered soft water, Iconographia Diatomologica, Koeltz, Koenigstein, 2, 1-390.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUS8-0025-0030