Publications des scientifiques de l'IRD

Cardinael R., Hoeffner K., Chenu C., Chevallier Tiphaine, Beral C., Dewisme A., Cluzeau D. (2019). Spatial variation of earthworm communities and soil organic carbon in temperate agroforestry. Biology and Fertility of Soils, 55 (2), p. 171-183. ISSN 0178-2762.

Titre du document
Spatial variation of earthworm communities and soil organic carbon in temperate agroforestry
Année de publication
2019
Type de document
Article référencé dans le Web of Science WOS:000456151400006
Auteurs
Cardinael R., Hoeffner K., Chenu C., Chevallier Tiphaine, Beral C., Dewisme A., Cluzeau D.
Source
Biology and Fertility of Soils, 2019, 55 (2), p. 171-183 ISSN 0178-2762
The aim of this study was to assess how soil organic C (SOC) stocks and earthworm communities were modified in agroforestry systems compared to treeless control plots and within the agroforestry plots (tree rows vs alleys). We used a network of 13 silvoarable agroforestry sites in France along a north/south gradient. Total earthworm abundance and biomass were significantly higher in the tree rows than those in the control plots, but were not modified in the alleys compared to those in the control plots. Earthworm species richness, Shannon index, and species evenness were significantly higher in the tree rows than those in the alleys. Total abundance of epigeic, epi-anecic, strict anecic, and endogeic was higher in the tree rows. Surprisingly, earthworm individual weight was significantly lower in the tree rows than that in the alleys and in the control plots. SOC stocks were significantly higher in the tree rows compared to that in the control plots across all sites. Despite higher SOC stocks in the tree rows, the amount of available C per earthworm individual was lower compared to those in the control. The absence of disturbance (no tillage, no fertilizers, no pesticides) in the tree rows rather than increased SOC stocks therefore seems to be the main factor explaining the increased total abundance, biomass, and diversity of earthworms. The observed differences in earthworm communities between tree rows and alleys may lead to modified and spatially structured SOC dynamics within agroforestry plots.
Plan de classement
Pédologie [068] ; Biologie du sol [074] ; Etudes, transformation, conservation du milieu naturel [082]
Description Géographique
FRANCE
Localisation
Fonds IRD [F B010074911]
Identifiant IRD
fdi:010074911
Contact