Abundance and biomass of earthworms (Lumbricidae) in hydrogenous soils under various degree of mucking
1993
Makulec, G. (Polish Academy of Sciences, Dziekanow Lesny (Poland). Inst. of Ecology)
The results show a close similarity of the examined meadows in respect of earthworm density and biomass. In the view of the present findings, the studied habitats cannot be regarded as degradated habitats were earthworms practically do not occur. Depending on season and site, earthworms excrete 10-100 t/ha d.w. of casts in vegetative season, it seems that 3.5-35 percent of soil in 0-10 cm layer pass yearly through alimentary canal earthworms
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