导致贵州喀斯特森林发生退化的原因是火烧、开垦、放牧和樵采。
Fire, reclamation, herd, and cut led to degradation of Karst forest in Guizhou Province.
龟背山位于响水河南侧，是原生性很强的喀斯特森林，属于世界级景源。
The Guibei Mountain is located on the south of the Xiangshui River.
贵州茂兰喀斯特森林区位于贵州省南部荔波县境内，为亚热带喀斯特森林生态系统。
Maolan Karst Forest Region is located in Libo County, the south of Guizhou Province.
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