desertification

/dih-zur-tuh-fi-key-shuhn/US // dɪˌzɜr tə fɪˈkeɪ ʃən //UK // (dɪˌzɜːtɪfɪˈkeɪʃən) //

荒漠化,沙漠化,荒漠化问题,沙漠化问题

Definitions

n.名词 noun

1
Ecology.
- : the processes by which an area becomes a desert.
- : the rapid depletion of plant life and the loss of topsoil at desert boundaries and in semiarid regions, usually caused by a combination of drought and the overexploitation of grasses and other vegetation by people.

as indeforestation

Synonyms

Deeper root systems bolstered soil health, and expanded tree cover cut down on wind and water erosion, halting desertification.
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.
The Sahel has been degraded by human use, not natural desertification; the natural process has been the reverse.
So why do we invariably connect higher temperatures with droughts and desertification?
The presence of a nearby desert has no direct relationship to desertification.
Desertification does not occur in linear, easily mappable patterns.
Desertification may intensify a general climatic trend toward greater aridity, or it may initiate a change in local climate.
This degradation of formerly productive land—desertification—is a complex process.
Unfortunately, an area undergoing desertification is brought to public attention only after the process is well underway.