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Table 4 LSD multiple comparisons for the main influencing factors between different stages

From: Foraging habitat selection of overwintering Black-necked Cranes in the farming area surrounding the Caohai Wetland, Guizhou Province, China

Factors

Stages of time (I)

Stages of time (II)

Mean difference (I–II)

Standard error

P

Mean ± SD

EW

MW

LW

Crop remains (g/m2)

EW

MW

75.25

81.27

0.357

   
 

LW

354.68

76.80

0.000**

512.04 ± 359.56

436.79 ± 400.18

157.36 ± 118.33

MW

LW

279.43

69.41

0.000**

   

Distance to road (m)

EW

MW

88.33

19.71

0.000**

   
 

LW

76.94

18.63

0.000**

151.52 ± 89.86

63.19 ± 66.80

74.58 ± 65.08

MW

LW

− 11.39

16.83

0.500

   

Distance to settlement (m)

EW

MW

− 169.05

49.65

0.001**

   
 

LW

− 44.7

46.92

0.343

354.39 ± 163.77

523.44 ± 156.48

399.09 ± 206.16

MW

LW

124.34

42.41

0.004**

   
  1. EW early winter, MW mid-winter, LW late winter
  2. **P < 0.01