Abundance and species richness patterns
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Anders N. Nilsson; Hรakan Sรถderberg
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Article
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1996
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Springer
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English
โ 394 KB
Forty species of predaceous diving beetles (Coleoptera, Dytiscidae) were collected in sweepnet samples from 98 boreal lakes in northern Sweden . Samples from protected sites with vegetation had significantly more specimens and species than those from exposed sites without vegetation in the same lake