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Table 2 χ 2 test of discrete variables in panda-use and non-use plots

From: Habitat use by giant pandas Ailuropoda melanoleuca in the Wanglang Nature Reserve, Sichuan, China

Variable Habitat type Frequency (proportion)
Use plots (n= 186) Non-use plots (n= 329)
Slope aspect No aspect 12 (0.06) 13 (0.04)
North 15 (0.08) 23 (0.07)
Northeast 15 (0.08) 23 (0.07)
East 29 (0.16) 50 (0.15)
Southeast 18 (0.10) 56 (0.17)
South 12 (0.06) 39 (0.12)
Southwest 29 (0.16) 52 (0.16)
West 15 (0.08) 45 (0.04)
Northwest 41 (0.22) 28 (0.09)
χ 2 = 29.33, d.f. = 8, p = 0.00
Slope <10° 50 (0.27) 76 (0.23)
10°~20° 64 (0.34) 110 (0.33)
20°~30° 59 (0.32) 95 (0.29)
30°~40° 12 (0.06) 41 (0.12)
≥40° 1 (0.01) 7 (0.02)
χ 2 = 7.15, d.f. = 4, p = 0.13
Canopy <25% 34 (0.18) 79 (0.24)
25%~50% 81 (0.44) 118 (0.36)
50%~75% 59 (0.32) 111 (0.34)
≥75% 12 (0.06) 21 (0.06)
χ 2 = 3.74, d.f. = 3, p = 0.29
Shrub coverage <25% 111 (0.60) 149 (0.45)
25%~50% 61 (0.33) 110 (0.33)
50%~75% 13 (0.07) 56 (0.17)
≥75% 1 (0.01) 14 (0.04)
χ 2 = 19.45, d.f. = 3, p = 0.00
Bamboo coverage <25% 14 (0.08) 168 (0.51)
25%~50% 34 (0.18) 83 (0.25)
50%~75% 83 (0.45) 54 (0.16)
≥75% 55 (0.30) 24 (0.07)
χ 2 = 140.24, d.f. = 3, p = 0.00