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(Article of periodic en Anglais - 2011)

Document title

Effects of vegetation type on soil resistance to erosion: Relationship between aggregate stability and shear strength

Authors(s) and Affiliation(s)

FATTET M. (1) ; FU Y. (2) ; GHESTEM M. (3) ; MA W. (2) ; FOULONNEAU M. (4) ; NESPOULOUS J. (4) ; LE BISSONNAIS Y. (5) ; STOKES A. (6) ;
(1) Univ. Montpellier 2, Montpellier, FRANCE
(2) Chinese Academy of Science, Yunnan, Mengla, CHINE
(3) AgroParisTech, AMAP, Montpellier, FRANCE
(4) Univ. Savoie, Le Bourget-du-Lac, FRANCE
(5) INRA, UMR LISAH, Montpellier, FRANCE
(6) INRA, AMAP, Montpellier, FRANCE

Abstract

The AA. investigated the effect of vegetation on both soil aggregate stability and shear strength (through direct shear tests) in former croplands converted to vegetated erosion protection areas within the context of China's sloping land conversion programme. Significant positive linear relationships were found between vegetation, soil aggregate stability and soil shear strength. Vegetation stabilised soil under different hierarchical levels of aggregate organisation, i.e. intra- and inter-aggregate. As herbaceous vegetation was more efficient than trees in improving aggregate stability, it is suggested that mixtures of different plant functional types would improve soil conservation on slopes, by reducing both surface water erosion and shallow substrate mass movement. Planting trees for cropping or logging, and removing understory vegetation is most likely detrimental to soil conservation

Source

Article of periodic

published at : Catena / ISSN 0341-8162

Editor : Catena, Cremlingen-Destedt - ALLEMAGNE (1973)

Millesime : 2011, vol. 87, no1 [pp. 60-69]

Bibliographic references : 1,5 p.

Collation : 4 fig., 2 tabl.

Language

Anglais

INIST-CNRS, Cote INIST : 16767

Digital Object Identifier

Go to electronic document thanks to its DOI : doi:10.1016/j.catena.2011.05.006

Tous droits réservés © Prodig - Bibliographie Géographique Internationale (BGI), 2011
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