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ectomycorrhizal
2013 Dec 01
0
How to create polygons representing sampled forest plots, and how to compute D1 matrix between these polygons ?
..., where all trees are mapped and identified. I
sampled 24 more or less regulately scattered plots of 25 x 25 m over the 10
ha. In each plot of 25 x 25 m I got 5 soil samples on which I will measure
a battery of variables (the explanatory variables).
What I want to study is the bêta-diversity of the ectomycorrhizal
community, so that in each plot I got about 15 pieces of root containing
some ectomycorrhizal fungus on it (response variables).
My purpose is to explain the spatial variation of the ectomycorrhizal
diversity thanks to the soil variables I will have measured.
To do so, I want to use a PCNM (or...