Addition of woody debris had no effect and addition of leaf litter resulted in increased reptile but not amphibian abundance and species richness in Sulawesi
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Published source details
Wanger T.C., Saro A., Iskandar D.T., Brook B.W., Sodhi N.S., Clough Y. & Tscharntke T. (2009) Conservation value of cacao agroforestry for amphibians and reptiles in South-East Asia: combining correlative models with follow-up field experiments. Journal of Applied Ecology, 46, 823-832
Published source details Wanger T.C., Saro A., Iskandar D.T., Brook B.W., Sodhi N.S., Clough Y. & Tscharntke T. (2009) Conservation value of cacao agroforestry for amphibians and reptiles in South-East Asia: combining correlative models with follow-up field experiments. Journal of Applied Ecology, 46, 823-832
Actions
This study is summarised as evidence for the following.
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Create refuges Action Link |
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Leave coarse woody debris in forests Action Link |
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Create refuges
A replicated, controlled, before-and-after study in 2007–2008 of a cacao plantation in Sulawesi, Indonesia (Wanger et al. 2009) found that adding woody debris and/or leaf litter to plots had no effect on overall amphibian abundance or species richness. However, following addition of woody debris plus leaf litter, Hylarana celebensis abundance increased and Asian toad Duttaphrynus melanostictus decreased. Forty-two plots (40 x 40 m2) were divided into four treatments: addition of woody debris (trunks and branch piles), addition of leaf litter, addition of woody debris plus leaf litter and an unmanipulated control. Monitoring was undertaken twice 26 days before and twice 26 days after habitat manipulation. Visual surveys were undertaken along both plot diagonals (transects 113 x 3 m).
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Leave coarse woody debris in forests
A replicated, controlled, before-and-after study in 2007–2008 of a cacao plantation in Sulawesi, Indonesia (Wanger et al. 2009) found that removal of woody debris and/or leaf litter did not significantly effect overall amphibian abundance, but did decrease species richness. However, the abundance of Hylarana celebensis and Asian toad Duttaphrynus melanostictus increased following removal of woody debris and leaf litter. The abundance of Sulawesian toad Ingerophrynus celebensis decreased following removal of woody debris. Forty-two plots (40 x 40 m2) were divided into four treatments: removal of woody debris (trunks and branch piles), removal of leaf litter, removal of woody debris plus leaf litter and an unmanipulated control. Monitoring was undertaken twice on two occasions, 26 days before and 26 days after habitat manipulation. Visual surveys were undertaken along both plot diagonals (transects 3 x 113 m).
Output references
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