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第八章 森林资源与荒漠化 PowerPoint PPT Presentation


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《 环境与可持续发展导论 》. 第八章 森林资源与荒漠化. 随着工业农业的发展,全球森林资源受到严重破坏,热带雨林的逐渐减少已使世界范围内气候发生变化。另外,荒漠化和水土流失问题也愈加严重。由此导致的诸多后果威胁着人类的生存。. 第八章 森林资源与荒漠化. 第一节 全球的森林 第二节 热带雨林的减少 第三节 荒漠化 第四节 土壤侵蚀(水土流失) 第五节 生物多样性 第六节 生态工程. 第一节 全球的森林. 一、森林资源. 森林资源是 林地及其所生长的森林有机体的总称 ,以林木资源为主,还包括林下植物、野生动物、土壤微生物等资源。

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第八章 森林资源与荒漠化

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