Factors influencing soil macrofaunal communities in post-pastoral successions of western France

被引:37
作者
Decaens, T
Dutoit, T
Alard, D
Lavelle, P
机构
[1] ORSTOM, Lab Ecol Sols Trop, F-93143 Bondy, France
[2] Univ Rouen, UFR Sci, Ecol Lab, F-76821 Mt St Aignan, France
关键词
soil macrofauna; diversity; chalk grasslands; secondary successions; post-pastoral dynamics; France;
D O I
10.1016/S0929-1393(98)00090-0
中图分类号
S15 [土壤学];
学科分类号
0903 ; 090301 ;
摘要
The soil macrofaunal communities (Lumbricidae, Formicidae, Coleoptera, Chilopoda, Diplopoda, Isopoda, Arachnida, Gastropoda) were studied in six plots representing different stages in a theoretical post-pastoral succession on chalk grassland. Macrofaunal biomass was high in all the plots (70.2-140.3 g m(-2)). The macroinvertebrate communities along successional gradients respond to two major environmental factors: the structure of the vegetation, which determines the diversity of microhabitats and life conditions for macroinvertebrates; and the quality of above-ground litter production, which depends on the nature of vegetation and the presence of domestic herbivores. (C) 1998 Elsevier Science B.V.
引用
收藏
页码:361 / 367
页数:7
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