Earthworms represent the major animal biomass in most terrestrial temperate ecosystems (Edwards and Bohlen, 1996), being an important group of soil fauna whose activities contribute strongly to the development of soil structure, nutrient cycling and soil fertility.
Earthworms represent the major animal biomass in most terrestrial temperate ecosystems Edwards, C.A., Bohlen, P.J., 1996. Biology and Ecology of Earthworms, third ed. Chapman and Hall, London, being an important group of soil fauna whose activities contribute strongly to the development of soil structure, nutrient cycling and soil fertility.