2 edition of Densities of benthic macroinvetebrates in upland Welsh streams of different acidity and land use. found in the catalog.
Densities of benthic macroinvetebrates in upland Welsh streams of different acidity and land use.
N. S. Weatherley
Written in English
Taken from Archiv fur hydrobiolgie, vol.115, 1989, pp. 417-431.
|Series||Archiv fur hydrobiologie -- v.115|
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