Assertion: european earthworm | /r/HasProperty | lumbricus terrestris
Facets:
Source sentences:
text: report on the presence and characteristics of Vermisols in South Dakota (United States), soils in which earthworm activity has drastically modified the Chernozem (Mollisol) soil horizons, cluttering them with casts up to a depth of 1 m; Nielsen and Hole’s (1964) observations on midden formation, leaf-litter burial, and the formation of mull layers (coprogenous A1 horizons) in forest soils in Wisconsin (United States), due to the activities introduced of European earthworms (Lumbricus terrestris and Aporrectodea caliginosa); and