Horizon 1 1 17 ACL : Articles dans des revues avec comité de lecture répertoriées par l'AERES Pedobiologia 439-443 soil dwelling invertebrates litter transformers litter palatability soil aggregation 2008 fdi:010042565 ENG Pedobiologia 0031-4056 CC:0002554993-0012 5-6 10.1016/j.pedobi.2008.01.002 https://www.documentation.ird.fr/hor/fdi:010042565 https://www.documentation.ird.fr/intranet/publi/2008/05/010042565.pdf 51 Horizon (IRD) Interactions between soil invertebrate functional groups are still poorly understood. In this study, the effect of the soil dwelling earthworm Aporrectodea caliginoso and the woodlouse Porcellio scaber (litter inhabitant), atone or in combination, on soil aggregation was investigated in laboratory microcosms with litter of different quality (Quercus robur and Fagus sylvatica). After 4 months of incubation, the aggregate size distribution was measured using a dry-sieving method. A. caliginosa played an important role in the formation of large aggregates (> 2 mm), whereas P scaber greatly influenced litter disappearance. A. caliginosa individuals formed a greater number of large aggregates when fed with beech leaves compared to oak leaves even though they preferred the latter. In the presence of beech and P scaber, A. caliginosa produced significantly fewer large aggregates than expected. 074 ; 021