Respuesta :
b. being subject to natural and human-induced desertification
What is Desertification?
The process of reducing the biological productivity of drylands due to natural or human factors is known as desertification, sometimes known as desertization (arid and semiarid lands). Climate change, deforestation, overgrazing, poverty, political unrest, unsustainable irrigation techniques, or combinations of these variables may all lead to decreases in productivity. The idea refers to multiple processes that endanger all dryland ecosystems, including deserts, grasslands, and scrublands, rather than the actual physical growth of already-existing deserts.
Climate change and inappropriate land-management practices in dryland regions are the main contributors to desertification. Arid and semiarid habitats are by definition characterised by infrequent or erratic rainfall. Thus, climatic changes that cause prolonged droughts, for example, might drastically lower the biological productivity of certain ecosystems. These changes could be fleeting, lasting barely a season, or they could linger for many years or even decades. The productivity of plants and animals, however, can quickly increase during wetter times because they are quick to capitalise on these conditions.
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