Analysis of Spatiotemporal Evolution Characteristics and Driving Factors of NPP in Guizhou Province, China.

The main conclusions were: The annual average of NPP in Guizhou province increased significantly at the rate of 3.65 g C m −2 a −1 , and the annual average was 785.47 g C m −2 a −1 , with a typical spatial differentiation of “high in south and low in north,” 78.48% of the regional vegetation NPP showed an increasing trend.

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Trend significance analysis (Figure 4b , Table 3 ) revealed that 6.4% of regions showed statistically significant reduction (encompassing Extremely significant reduction, Significant reduction, and Weakly Significant reduction), primarily clustered in the southeastern, central, and northern areas.

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