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Stream ecological studies on the invertebrate fauna in - a typical rift valley stream on the Danish island Bornholm in the Baltic Sea by Preben Kristensen pk@ringeby.dk |
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Stream ecological studies on the invertebrate fauna in - a typical rift valley stream on the Danish island Bornholm in the Baltic Sea by Preben Kristensen pk@ringeby.dk |
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Under the old railway viaduct upstream Stavehøl
Pilings of branches and litter in the stream bed.
