Scale-dependent effects of terrestrial habitat on genetic variation in the great crested newt (Triturus cristatus) - Cox Karen
Reference : Scale-dependent effects of terrestrial habitat on genetic variation in the great cres...
Life sciences : Aquatic sciences & oceanology
Title : Scale-dependent effects of terrestrial habitat on genetic variation in the great crested newt (Triturus cristatus)
Author, co-author : Cox, Karen [INBO > > > >]
Denoël, Mathieu [Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Laboratoire d'Écologie et de Conservation des Amphibiens >]
Van Calster, Hans [INBO > > > >]
Speybroeck, Jeroen [INBO > > > >]
Van de Poel, Sam [Natuurpunt Studie > > > >]
Lewylle, Iwan [Natuurpunt Studie > > > >]
Verschaeve, Leen [INBO > > > >]
Van Breusegem, An [INBO > > > >]
Halfmaerten, David [INBO > > > >]
Adriaens, Dries [INBO > > > >]
Journal title : Landscape Ecology
Keywords : [en] Amphibians ; Genetic diversity ; Habitat fragmentation ; Spatial scales ; Triturus cristatus ; Crested newt ; Population genetics ; Mithocondrial DNA ; Spatially structured populations ; DAPC ; Effective population size ; Population structure ; Belgium
Abstract : [en] Context
Based on the sampling of 40 ponds in 13 SSPs, the influence of landscape features on several estimators of genetic variation was investigated via linear mixed models, with effects within and between SSPs incorporated.
The best models depended on the spatial scale, with more significant associations within radii of 50 and 100 m of core ponds, particularly for allelic richness. Responses within and between SSPs were mostly similar. The availability of aquatic habitat in the landscape had a positive effect, while woodland, arable land and pasture had different effects depending on scale and response variable. Total length of roads within a 250 m radius influenced effective population size negatively
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