Rising air masses and cold ocean currents are some of the causes of dry lands.
Water is scarce, which is what distinguishes drylands. Drylands are regions where plant transpiration and surface evaporation balance precipitation. Drylands are defined as tropical and temperate regions with an aridity index of less than 0.65 by the United Nations Environment Program.
Drylands have two primary causes: "Climatic fluctuations" and "Human activities." agricultural operations in the fragile ecosystems of arid and semi-arid areas, which are thereby overburdened. loss of the natural vegetation cover (by taking too much fuel wood).
Therefore, investing in drylands reaps substantial social and environmental rewards. Smallholder agriculture that is water and environmentally friendly is crucial for eradicating poverty, fostering smallholder climate change adaption, and restoring degraded lands.
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