Analyzing the vegetation dynamics and its response to driving factors provides a vital reference for understanding regional ecological processes and ecosystem services. However, this issue has been poorly understood in karst areas. Taking Guizhou Province as a case study, based on the Normalized-Difference Vegetation Index of the Global Inventory Modeling and Mapping Studies and on meteorological data sets during 1982–2015, we evaluated vegetation dynamics and its response to climatic factors and human activities. We used several methods: the Mann-Kendall test, rescaled range analysis, partial correlation analysis, and residual analysis. The results are as follows: 1) the mean annual Normalized-Difference Vegetation Index was 0.46 and exhibited a significant increasing trend with a variation rate of 0.01/10a during 1982–2015 in Guizhou Province. The vegetation cover showed was spatially heterogeneous: High vegetation cover was distributed mainly in the center and western margin of the study area, while the other parts of the study area mainly distributed with low vegetation cover, although the vegetation cover was higher in the nonkarst areas than in the karst areas; 2) in general, the climate was getting warmer and drier in Guizhou Province during 1982–2015. Vegetation cover was positively correlated with temperature and negatively correlated with precipitation. Compared to precipitation, temperature was the dominant climatic factor impacting vegetation dynamics; 3) large-scale ecological restoration projects have obviously increased vegetation cover in Guizhou Province in recent years. The contribution of human activities to vegetation changes was 76%, while the contribution of climatic factors was 24%. In summary, compared to natural forces such as climatic factors and geographic parameters, human activities were the main factor driving the vegetation dynamics in Guizhou Province.

分析植被动态及其对驱动因素的响应为理解区域生态过程和生态系统服务提供了重要参考。但是，这个问题在喀斯特地区知之甚少。以贵州省为例，根据全球清单建模和制图研究的归一化植被指数以及1982-2015年的气象数据集，我们评估了植被动态及其对气候因素和人类活动的响应。我们使用了几种方法：Mann-Kendall检验，重定范围分析，偏相关分析和残差分析。结果如下：1）1982-2015年贵州省年平均归一化植被指数为0.46，并呈现出明显的上升趋势，变化率为0.01 / 10a。植被盖度在空间上是不均匀的：高植被盖度主要分布在研究区的中部和西部边缘，而研究区的其他部分主要分布在低植被盖度，尽管非喀斯特地区的植被盖度较高。比喀斯特地区大；2）总体而言，贵州省在1982年至2015年期间气候变暖和干燥。植被覆盖度与温度呈正相关，与降水呈负相关。与降水相比，温度是影响植被动态的主要气候因素。3）近年来，贵州省的大型生态修复项目明显增加了植被覆盖。人类活动对植被变化的贡献为76％，而气候因素的贡献为24％。综上所述，与自然因素（如气候因素和地理参数）相比，人为活动是驱动贵州省植被动态的主要因素。