Journal of Geographical Sciences ›› 2016, Vol. 26 ›› Issue (3): 313-324.doi: 10.1007/s11442-016-1270-7
• Orginal Article • Previous Articles Next Articles
Shiji LI1,2(), Zhigang SUN1, Minghong Tan3(
), Xiubin LI3
Received:
2015-09-28
Accepted:
2015-11-13
Online:
2016-07-25
Published:
2016-07-25
About author:
Author: Li Shiji, PhD Candidate, specialized in land use and land cover change. E-mail:
*Corresponding author: Tan Minghong, PhD and Associate Professor, E-mail:
Supported by:
Shiji LI, Zhigang SUN, Minghong Tan, Xiubin LI. Effects of rural-urban migration on vegetation greenness in fragile areas: A case study of Inner Mongolia in China[J].Journal of Geographical Sciences, 2016, 26(3): 313-324.
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Table 1
Main factors impacting the changes in vegetation in Inner Mongolia"
Category | Indicator | Variable | Description |
---|---|---|---|
Natural factors | ATPa AMTb | Slope ATP Slope AMP | Variation in trend of ATP for 2000-2010 Variation in trend of AMT for 2000-2010 |
Human activities | QALc AALd CAPALe | CRQAL CRAAL CRCAPAL | Rate of change of QAL for 2000-2010 Rate of change of AAL for 2000-2010 Rate of change of CAPAL for 2000-2010 |
SCPALf | CRSCPAL | Rate of change of SCPAL for 2000-2010 |
Figure 2
Spatial changes in vegetation greenness based on inter-annual trends and significance of AGSNDVI in Inner Mongolia between 2000 and 2010ESD: extremely significant decrease; SD: significant decrease; NSC: no significant change; SI: significant increase; ESI: extremely significant increase"
Table 2
Explanatory model for changes in vegetation greenness in Inner Mongolia"
Model | Unstandardized coefficients | Standardized coefficients | t | Sig. | Collinearity statistics | |||
---|---|---|---|---|---|---|---|---|
B | Std. error | Tolerance | VIF | |||||
Adjusted R2: 0.263 | ||||||||
(Constant) | 0.006 | 0.002 | 2.735 | 0.008 | ||||
Slope ATP | 0.002 | 0.001 | 0.359 | 2.545 | 0.014** | 0.629 | 1.590 | |
Slope AMT | -0.343 | 0.169 | -0.273 | -2.028 | 0.048** | 0.687 | 1.455 | |
CRQAL | -0.010 | 0.003 | -0.447 | -3.134 | 0.003*** | 0.613 | 1.631 | |
CRAAL | -0.031 | 0.019 | -0.192 | -1.660 | 0.103 | 0.930 | 1.075 | |
CRCAPAL | -0.002 | 0.001 | -0.265 | -2.151 | 0.036** | 0.824 | 1.214 | |
CRSCPA | 0.000 | 0.001 | 0.112 | 0.904 | 0.370 | 0.813 | 1.230 |
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