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Geographic ecology of soil oribatid mites in deciduous forests
Wauthy, G.; Noti, M.-I.; Dufrêne, Marc
1989In Pedobiologia, 33 (6), p. 399-416
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Keywords :
Belgium
Abstract :
[en] On a broad, geographic scale (Belgium), soil oribatid mites show relatively simple patterns of spatial distribution and habitat use since 2 groups of species can be defined: "regionally specialist' (RS) species which are rare and restrict their humus type occupancy, and "regionally generalist' (RG) species with reverse attributes. In the locality studied, 7/31 RS species inhabited all or nearly all the stands sampled and used widely disjunctive categories of habitat resources taking into account vertical location within organic layers (litter or humus), humus type (mor or moder) and vegetation (climax or secondary) developed in the study site. Nevertheless, their overlap on these categories was lower on average than the one of the 20 RG species which did not change their patterns on both geographic scales. Some of the 34 other RG species narrowed their local distribution and showed a clear specialization on the habitat categories. To explain the local/regional variations of patterns, it is proposed to interpret the regional distribution shown by soil oribatid mites in terms of tolerance to environmental factors. Then, it is advocated, the role of biotic interactions in the local widening of habitat breadth shown by the RS as well as RG species, and to produce a local non-equilibrium assemblage. -from Authors
Disciplines :
Environmental sciences & ecology
Author, co-author :
Wauthy, G.;  Institut Royal des Sciences Naturelles de Belgique, rue Vantier 29, B - 1040 Bruxelles, Belgium
Noti, M.-I.;  Institut Royal des Sciences Naturelles de Belgique, rue Vantier 29, B - 1040 Bruxelles, Belgium
Dufrêne, Marc  ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Language :
English
Title :
Geographic ecology of soil oribatid mites in deciduous forests
Publication date :
1989
Journal title :
Pedobiologia
ISSN :
0031-4056
Publisher :
Elsevier GmbH, Urban & Fischer Verlag
Volume :
33
Issue :
6
Pages :
399-416
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 24 March 2013

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