What is land degradation?

什么是土地退化？

What does land degradation mean for health?

土地退化对于健康意味着什么？

Land degradation was one of hotspots in modern scientific researches.

土地退化是现代科学研究中的热点。

Desertification, is a form of land degradation, by which fertile land becomes desert.

荒漠化这一形式的土地退化，使肥沃的土地变成了沙漠。

Land degradation and desertification can affect human health through complex pathways.

土地退化和荒漠化可通过复杂的途径影响人类健康。