更多desertification例句

1. Deeper root systems bolstered soil health, and expanded tree cover cut down on wind and water erosion, halting desertification.
2. Around the world, climate change is becoming an epochal crisis, a nightmare of drought, desertification, flooding and unbearable heat, threatening to make vast regions less habitable and drive the greatest migration of refugees in history.
3. The Sahel has been degraded by human use, not natural desertification; the natural process has been the reverse.
4. So why do we invariably connect higher temperatures with droughts and desertification?
5. The presence of a nearby desert has no direct relationship to desertification.
6. Desertification does not occur in linear, easily mappable patterns.
7. Desertification may intensify a general climatic trend toward greater aridity, or it may initiate a change in local climate.
8. This degradation of formerly productive land—desertification—is a complex process.
9. Unfortunately, an area undergoing desertification is brought to public attention only after the process is well underway.