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Table 1 Correlations of seven roost parameters with the first two axes of a principal component analysis (PCA) summarizing these variables

From: Mixed-species groups in bats: non-random roost associations and roost selection in neotropical understory bats

  Tree type (standing vs. fallen) Roost volume Size of the entrance Vegetation density Canopy height Distance roosting site to entrance Roosting site above ground
PC1 − 0.81 − 0.66 − 0.56 0.29 − 0.71 − 0.39 − 0.89
PC2 0.44 − 0.59 0.25 − 0.28 − 0.09 − 0.81 0.22