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Characterization of the burrow system of the earthworms Lumbricus terrestris and Apporectodea giardi using X-ray computed tomography and image analysis Inra
Jegou, G.; Hallaire, V.; Cluzeau, D.; Trehen, P..
The burrow systems of two earthworm species (Lumbricus terrestris and Aporrectodea giardi) were studied in artificially packed soil columns placed in controlled conditions in the laboratory. At the end of the incubation, which lasted 246 days, the burrow systems were characterized on the undisturbed columns using X-ray computed tomography. This method provided a set of digitized images corresponding to horizontal 3-mm-thick sections. The following parameters were measured using image analysis on each section: number of biopores, their volume, and their individual orientation calculated using an elliptical model of the earthworm channel. The profiles of these parameters through the columns showed that the burrow systems of L. terrestris and A. giardi, which...
Tipo: Journal Article Palavras-chave: DISTRIBUTION GEOGRAPHIQUE; ANALYSE D'IMAGE.
Ano: 1999 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0000013429081195&uri=/notices/prodinra1/2010/12/
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