THE DIATOM FLORA OF EPHEMERAL HEADWATER STREAMS IN THE ELBSANDSTEINGEBIRGE REGION OF THE CZECH REPUBLIC

被引：1
作者：
Vesela, Jana [1 ]
Johansen, Jeffrey R. [2 ]
机构：
[1] Charles Univ Prague, Fac Sci, Dept Bot, Prague 12801 2, Czech Republic
[2] John Carroll Univ, Dept Biol, University Hts, OH 44118 USA
来源：
DIATOM RESEARCH | 2009年 / 24卷 / 02期
关键词：
FRESH-WATER DIATOMS; SPATIAL HETEROGENEITY; COMMUNITY STRUCTURE; BENTHIC ALGAE; BACILLARIOPHYCEAE; REGRESSION; ECOLOGY; RIVERS;
D O I：
暂无
中图分类号：
Q17 [水生生物学];
学科分类号：
071004 ;
摘要：
The diatom flora of 15 headwater streams in the Elbsandsteingebirge region of the Czech Republic was studied. This region is dominated by sandstone, but a few areas have a mixed geology with some combination of sandstone, limestone, and granite. Diatoms were collected from a mixture Of Substrates whenever available, including stone, wood, bryophyte, and sediment. A total of 307 diatom taxa were observed, including one species new to science, Chamaepinnularia rexii. Taxa particularly characteristic for the region, or lacking previous indicator status, or rare or otherwise interesting are illustrated and discussed. Abundance weighted means for both pH and conductivity are reported for all taxa which occurred in more than four samples.
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页码：443 / 477
页数：35
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