Geostatistical and multivariate analysis of the horizontal distribution of an earthworm community in El Molar (Madrid, Spain)

Hernández, Patricia, Fernández, Rosa, Novo, Marta, Trigo, Dolores and Díaz Cosín, Darío J. 2007. Geostatistical and multivariate analysis of the horizontal distribution of an earthworm community in El Molar (Madrid, Spain). Pedobiologia 51 (1) , pp. 13-21. 10.1016/j.pedobi.2006.11.002

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Abstract

The earthworm community in El Molar (Madrid) is studied, and its distribution patterns and relation with some soil factors are described by using geostatistic and multivariate tools. Six species were found, Hormogaster elisae, Allolobophora rosea and Allolobophora caliginosa being the three most abundant ones. These species exhibited a clumped distribution. The most dominant species, H. elisae, was distributed in patches of an average size of 45 m in spring and more than 100 m in autumn. A. rosea was aggregated in patches of an average size of 22 m and A. caliginosa formed patches of an average size of 38 m. There seemed to be a positive correlation between the abundance of H. elisae and the percentage of total and coarse sands, as well as a negative correlation with clay, nitrogen, carbon and coarse loams contents, opposite to what was observed for A. rosea.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Biosciences
Subjects:	Q Science > Q Science (General)
Uncontrolled Keywords:	Earthworms; Geostatistics; Horizontal distribution; Soil factors.
Publisher:	Elsevier
ISSN:	0031-4056
Last Modified:	31 Jan 2020 03:50
URI:	https://orca.cardiff.ac.uk/id/eprint/62898

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