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Bookmark or Share- Drylands - WikipediaDrylands are zones where precipitation is balanced by evaporation from surfaces and by transpiration by plants ( evapotranspiration ). [1] . The United Nations Environment Program defines drylands as tropical and temperate areas with an aridity index of less than 0.65. [2] . One can classify drylands into four sub-types: Dry sub-humid lands.
- What are drylands? | Dryland Forestry | Food and Agriculture ...Drylands are characterized by a scarcity of water, which affects both natural and managed ecosystems and constrains the production of livestock as well as crops, wood, forage and other plants and affects the delivery of environmental services.
- Drylands | U.S. Geological Survey - USGS.govDrylands, characterized by water scarcity, comprise 83% of DOI-managed lands. Drylands are highly vulnerable to erosion by wind and water and are affected by land use (e.g., grazing) and disturbance (e.g., fire).
- Multifaceted characteristics of dryland aridity changes in a warming ...Drylands are an essential component of the Earth System and are among the most vulnerable to climate change. In this Review, we synthesize observational and modelling evidence to demonstrate...
- Drylands and land degradation | IUCNAbout drylands and land degradation. Drylands share one or several of the below characteristics: scarcity of water, but not necessarily low rainfall. not all suffer from water shortage, but all face high levels of potential water loss; the potential loss of water through evaporation and transpiration is significantly greater than the mean ...
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