火星登陆分享 http://blog.sciencenet.cn/u/toby001 心平常,自非凡。10年做好一件事/2009~2019

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置顶 · 地球的“皮肤癌”---对土壤侵蚀环境问题的通俗理解
热度 1 2018-5-3 15:41
地球的“皮肤癌”---对土壤侵蚀环境问题的通俗理解 刘亮 西北农林科技大学水土保持研究所 马 . Ames: Iowa State University Press, 1995. 2 Montgomery D. R. Soil erosion and agricultural sustainability . Proceedings of the National Academy of Sciences of the United States o ...
个人分类: 土壤侵蚀科普|3887 次阅读|2 个评论 热度 1
About “MAN-MADE DESERTS“
2011-3-27 12:46
A man-made desert is not fantastic as it sounds. Two major factors are believed to account for the growth of man-made deserts. One is that the borders of desert in arid or semi-arid regions are extended far beyond the natural true desert into more humid climat ...
2218 次阅读|没有评论
About Two Costly Lessons: the Dust Bowl and Virgin Lands
2011-3-27 12:41
The Dust Bowl from the Great Plains happened on May 11, 1934, covering half the nation with a thin layer of grit. This was an expensive lesson in the ecological history of the United States. From both economic and ecological viewpoints, most of the Great Plains ...
2591 次阅读|没有评论
现在可以在科学网表达思想了。呵呵
2011-1-18 18:19
几经周折与等待,终于开通了科学网的博客。科学网是一个非常好的学习之地,在今后的科研时间中,科学网博客将常伴我左右。呵呵
个人分类: 未分类|2142 次阅读|没有评论

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