Ecology

Moscow University Soil Science Bulletin

, Volume 66, Issue 1, pp 18-23

Biological activity of the coprolites of earthworms

  • N. V. KostinaAffiliated withFaculty of Soil Science, Moscow State University Email author 
  • , T. V. BogdanovaAffiliated withFaculty of Soil Science, Moscow State University
  • , M. M. UmarovAffiliated withFaculty of Soil Science, Moscow State University

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Abstract

The most important indicators of biological activity (respiration, methane genesis, nitrogen fixation, denitrification, and size and structure of the microbial population) were determined in coprolites of two types of earthworms (Lumbricus rubellus considered as the “litter” type and Aporrectodea rosea as the “soil” type) in the model experiment, in which the earthworms were kept separately and together, as in soddy-podzolic loamy soil. The biological activity of coprolites was significantly higher than in the soil and varied between worm species.

Keywords

earthworms coprolites soil biological activity