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. 2011 Oct 19;6(10):e26483. doi: 10.1371/journal.pone.0026483

Table 2. Statistical results for Mann Whitney Z-test comparisons between the animal presence and animal absence plots in conifer and broadleaf forests of Jigme Dorji and Thrumshingla National Park, Bhutan.

Variable Conifer Forest Cool broadleaf Forest
Mean s Z p Mean s Z p
Altitude (m) 3583 255 −0.982 0.326 2279 486 −2.120 0.034 *
Mature trees 0.31 0.34 −0.847 0.397 0.48 0.37 −0.724 0.469
Mid-storey trees 0.36 0.37 −0.306 0.759 0.29 0.38 −0.214 0.830
Under-growth 0.57 0.61 −0.345 0.730 0.77 0.63 −0.311 0.756
Slope (°) 33.13 18.19 −0.230 0.818 28.94 12.65 −1.955 0.051
Mid-storey fir 1.78 2.80 −2.344 0.019 * 0.00 0.00 - -
Mature fir 4.69 4.69 −1.942 0.052 0.00 0.00 - -
Rhododendron 3.22 4.61 −0.816 0.414 0.97 2.73 −1.944 0.052
Fruiting Sorbus 0.44 1.08 −6.467 <0.001 * 0.05 0.28 −4.814 <0.001 *
Snag trees 4.06 5.41 −0.775 0.439 1.15 1.51 −0.055 0.956
Log 4.10 4.28 −0.417 0.676 0.65 1.19 −1.516 0.130
Bamboo cover (%) 14.79 24.04 −5.212 <0.001 * 22.55 27.47 −3.167 0.002 *
Bamboo height (cm) 72.23 108.41 −5.100 <0.001 * 162.50 173.32 −2.282 0.023 *
Canopy cover (%) 71.19 23.40 −1.068 0.285 70.97 26.53 −0.480 0.631
Distance to water (m) 300.98 318.33 −3.094 0.002 * 247.60 240.46 −1.942 0.052

*P<0.05.