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Material & Methods__________________ Environmental variables Water chemistry (pH, DO, Temp, Conduct, and turbidity) Pond morphology (area, depth, and floating vegetation) % Pond canopy cover Spatial variables Spatial EigenVector Modelling a.k.a PCNM (forward selection; Blanchet et al. 2008) => 5 PCNM
Material & Methods__________________ Data analyses Variation partitioning => partial RDA => shared and sole influence of water chemistry, pond morphology, and space on tadpole abundance Permutation stratified within ponds, month as a factor
EnvironmentalHabitat selection by gradients (canopy, adults (philopatry) vegetation) t al 16% o n m en ir ed en v ru ctur ients tial ly st grad S pa Fine-scale Spatial Dynamics (pond network) 20% Tadpole Abundance
Conclusion______________________ Dispersal limitation and fragmentation Perspectives Incorporate broad vs. fine scale spatial processes How philopatric behavior (niche-based process) and neutral dynamics create spatial patterns => simulations
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