Saproxyly in predatory mites? Mesostigmata in decaying log habitats versus litter in a wet eucalypt forest, Tasmania, Australia

Beaulieu, Frederic (2012) Saproxyly in predatory mites? Mesostigmata in decaying log habitats versus litter in a wet eucalypt forest, Tasmania, Australia. International Journal of Acarology, 38 4: 313-323. doi:10.1080/01647954.2011.647072


Author Beaulieu, Frederic
Title Saproxyly in predatory mites? Mesostigmata in decaying log habitats versus litter in a wet eucalypt forest, Tasmania, Australia
Journal name International Journal of Acarology   Check publisher's open access policy
ISSN 0164-7954
1945-3892
Publication date 2012-05
Sub-type Article (original research)
DOI 10.1080/01647954.2011.647072
Volume 38
Issue 4
Start page 313
End page 323
Total pages 11
Place of publication Philadelphia, PA, United States
Publisher Taylor and Francis
Collection year 2013
Language eng
Formatted abstract
In a wet eucalypt forest in Tasmania, Australia, I tested the hypothesis that decaying wood habitats are important for predators and occasional scavengers of Mesostigmata by harbouring species that are largely absent from forest floor litter. Results show that the assemblage of mesostigmatic mites inhabiting rotting logs (Eucalyptus obliqua) and epixylic mosses (46 species) is distinct from the forest floor litter assemblage (47 species), with 45.7% of species (21/46 species) restricted to log habitats. Eight species (7 from Ologamasidae, 1 from Ascidae) were significantly associated with log habitats. With the exception of the Ascidae (Xenoseius sp.) which may be phoretic, none of these species belongs to genera known to use phoresy on insects for dispersal. These results indicate that dead wood help sustain the local biodiversity of Mesostigmata and suggest that some free-living predatory mites may be saproxylic.
Keyword Habitat specificity
Dead wood
Logs
Eucalyptus obliqua
Bryophytes
Wet sclerophyll forest
Acari
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Biological Sciences Publications
 
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