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Horizontal Distribution of an Earthworm Community at El Molar, Madrid (Spain)

Hernández Gordo, Patricia and Gutiérrez López, Mónica and Ramajo Matesanz, Marta and Trigo Aza, Dolores and Díaz Cosín, Darío (2003) Horizontal Distribution of an Earthworm Community at El Molar, Madrid (Spain). Pedobiologia, 5-6 (47 ). pp. 568-53.

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Abstract

This paper reports the composition and horizontal distribution of an earthworm community at El Molar (Madrid), and the
underlying causes of its distribution. Five species of earthworms were found. The most abundant species were Hormogaster
elisae, Allolobophora rosea and Allolobophora caliginosa trapezoides, which showed an aggregate-type distribution.
Coarse sand, organic matter and nitrogen appear to be the factors with the greatest influence on H. elisae distribution,
whereas porosity and aeration have influence on A. c. trapezoides, and clay, organic matter and nitrogen on the presence
of A. rosea.

Item Type:Article
Uncontrolled Keywords:Earthworms; Horizontal distribution; Soil factors; Aggregation
Subjects:Medical sciences > Biology > Invertebrates
Medical sciences > Biology > Zoology
ID Code:6015
Deposited On:29 Dec 2006
Last Modified:06 Feb 2014 07:46

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