Table 1 Descriptive statistics of LPSR and environmental factors in our study. Some factors were square root (**) or log (*) transformed before analysis.

From: Disentangling the influence of climate, soil and belowground microbes on local species richness in a dryland ecosystem of Northwest China

 

Max

Mean

Min

SD

Skewness

Kurtosis

Local richness (/plot)

Overall

21

11.39

5

3.26

0.45

0.39

Shrub

6

2.65

1

1.35

0.72

0.15

Herbaceous

15

7.50

1

3.22

−0.37

0.29

Geographic variables

Altitude (m)

2153

1193.27

216

460.36

−0.01

−0.31

Longitude (°E)

94.65

86.55

81.04

3.55

0.3

−0.9

Latitude (°N)

47.56

45.2

42.6

1.36

0.14

−1.31

Climate

MASP (mm)

237

108.52

32

45.36

1.05

0.91

MAT (°C)

8.64

4.2

−0.58

2.21

−0.17

−0.22

AET (mm)*

400

186.5

46

71.38

1.31

2.23

PET (mm)

1064

881.47

698

91.17

0.02

−0.03

MTCM (°C)

−10.6

−15.17

−19.4

2.29

−0.32

−1.05

MTWM (°C)

25.7

20.42

14.2

2.76

−0.34

−0.04

Soil

SM (%)*

0.23

0.013

−8.22

0.038

3.99

17.38

SOM (g/kg)*

113.87

25.96

1.21

27.96

1.52

1.46

TSN (g/kg)*

6.14

1.48

0.11

1.46

1.36

0.93

TSP (g/kg)

1.03

0.59

0.31

0.16

0.58

0.3

Available N (mg/kg)**

116.78

30.36

1.39

26.44

1.55

1.81

pH

9.54

8.07

5.99

0.73

−0.63

0.85

SC (%)*

88

54.15

30

13.61

0.33

−0.22

CC (%)**

48

18.64

2

10.42

0.88

0.73

Belowground microbes

Soil bacterial richness

1602

1209.9

412

243.2

−0.97

1.15

Soil fungal richness

Total fungal richness

885

600.6

299

137.68

0.08

−0.54

SSR*

311

187.30

85

38.26

0.98

0.39

AMR*

77

17.50

0

16.38

2.26

1.48

RMR*

31

7.85

0

6.69

2.22

1.36

PR*

65

43.74

20

10.66

−0.65

0.07

APR*

11

3.61

0

1.92

2.84

1.24

  1. Abbreviations: SD, standard deviation; SM, soil moisture content; pH, soil pH; TSN, total nitrogen; TSP, total phosphorus; SOM, soil organic matter; AN, available nitrogen; SC, sand content; CC, clay content; MASP, mean annual summer precipitation; AET, actual evapotranspiration; MAT, mean annual temperature; PET, potential evapotranspiration; MTWM and MTCM, mean temperature of the coldest month and the warmest month, respectively; SSR, saprotrophic richness; PR, pathogenic richness; APR, animal parasitic richness; EMR, ectomycorrhizal richness; AMR, arbuscular mycorrhizal richness.
Back to article page