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1. en.wikipedia.org › wiki › DrylandsDrylands - Wikipedia

   en.wikipedia.org › wiki › Drylands

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   Drylands 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.

2. www.fao.org › dryland-forestry › backgroundWhat are drylands? | Dryland Forestry | Food and Agriculture ...

   www.fao.org › dryland-forestry › background

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   Drylands are lands with low precipitation and high evapotranspiration, affecting ecosystems and livelihoods. Learn how drylands are classified, where they are located and how they are managed by FAO.

3. Videos

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     Dryland Agriculture: How to do Farming with Less Water

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     Dry Land (1998 Remaster)

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     Resilient: Dryland Farming in The Semi-Arid High Plains

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4. www.iucn.org › our-work › topicDrylands and land degradation | IUCN

   www.iucn.org › our-work › topic

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   31. Okt. 2021 · Learn about drylands, their ecosystems, challenges and conservation efforts. Drylands are areas with water scarcity and high evapotranspiration, covering 41.3% of the global terrestrial area and home to 2 billion people.

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5. www.fao.org › dryland-assessmentDryland - Global Assessment - Food and Agriculture Organization

   www.fao.org › dryland-assessment

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   The assessment results demonstrate that drylands are not wastelands, but productive landscapes with considerable economic potential and environmental value. They highlight the importance of investing in forest and woodland resources in drylands, including trees outside of forests.

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7. www.usgs.gov › special-topics › droughtDryland Ecosystems | U.S. Geological Survey - USGS.gov

   www.usgs.gov › special-topics › drought

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   29. Nov. 2016 · Learn how USGS scientists study the impacts of climate change on dryland ecosystems, which cover 40 percent of the U.S. land and support 34 percent of the world's human population. Find out about their research on biocrusts, dust, water balance, and more.

8. www.nature.com › articles › s41558/022/01499-yDryland productivity under a changing climate - Nature

   www.nature.com › articles › s41558/022/01499-y

   7. Nov. 2022 · Drylands are commonly defined as regions where precipitation is substantially smaller than atmospheric water demand (as quantified by potential evapotranspiration, PET). They are the largest biome...

9. www.nature.com › articles › s41467/020/15515-2Accelerated dryland expansion regulates future variability in ...

   www.nature.com › articles › s41467/020/15515-2

   3. Apr. 2020 · Drylands cover 41% of Earth’s surface and are the largest source of interannual variability in the global carbon sink. Drylands are projected to experience accelerated expansion over the next...