Summary
Earthworm burrows of endogeic species (Allolobophora caliginosa, Octolasium cyaneum) in artificially packed soil columns were examined using X-ray computed tomography. By means of digital image processing, it was possible to reconstruct and visualize the burrow system in three dimensions. The reconstruction revealed morphological features of the burrows which were not obvious from two-dimensional section images.
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Joschko, M., Graff, O., Müller, P.C. et al. A non-destructive method for the morphological assessment of earthworm burrow systems in three dimensions by X-ray computed tomography. Biol Fertil Soils 11, 88–92 (1991). https://doi.org/10.1007/BF00336369
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DOI: https://doi.org/10.1007/BF00336369