Size and orientation of burrows made by the earthworms Aporrectodea rosea and A. caliginosa

B. M. McKenzie; A. R. Dexter

doi:10.1016/0016-7061(93)90113-Y

Size and orientation of burrows made by the earthworms Aporrectodea rosea and A. caliginosa

B. M. McKenzie (Lead / Corresponding author), A. R. Dexter

Research output: Contribution to journal › Article › peer-review

41 Citations (Scopus)

Abstract

The morphology of surface-opening burrows made by earthworms in a South Australian duplex Red-brown Earth was investigated. Coordinate points along burrows were measured during careful excavation. Burrow length, orientation and the frequency of branching were measured. Mean burrow length was 398 mm (s.d.=189) with typically 2 to 3 branching points. Polar coordinate representation of the burrows showed them to be nearer to vertical at greater depths. Maximum depth of excavated burrows was approximately 250 mm, placing them almost entirely in the soil A horizon.

Original language	English
Pages (from-to)	233-241
Number of pages	9
Journal	Geoderma
Volume	56
Issue number	1-4
DOIs	https://doi.org/10.1016/0016-7061(93)90113-Y
Publication status	Published - 15 Mar 1993

ASJC Scopus subject areas

Soil Science

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10.1016/0016-7061(93)90113-Y

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AB - The morphology of surface-opening burrows made by earthworms in a South Australian duplex Red-brown Earth was investigated. Coordinate points along burrows were measured during careful excavation. Burrow length, orientation and the frequency of branching were measured. Mean burrow length was 398 mm (s.d.=189) with typically 2 to 3 branching points. Polar coordinate representation of the burrows showed them to be nearer to vertical at greater depths. Maximum depth of excavated burrows was approximately 250 mm, placing them almost entirely in the soil A horizon.

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Size and orientation of burrows made by the earthworms Aporrectodea rosea and A. caliginosa

Abstract

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