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Hace 2 días · Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. [1] Deforestation can involve conversion of forest land to farms, ranches, or urban use. About 31% of Earth's land surface is covered by forests at present. [2]
24 de abr. de 2024 · Erosion, physical process in which soil, rock, and other surface material are removed from one location and transported to another. Erosion will often occur after rock has been disintegrated or altered through weathering.
- The Editors of Encyclopaedia Britannica
Hace 2 días · The rate of soil erosion is 10–20 times higher than the rate of soil accumulation in agricultural areas that use no-till farming. In areas with tilling it is 100 times higher. Climate change worsens this type of land degradation and desertification.: 5 Climate change is projected to negatively affect all four pillars of food security.
11 de mar. de 2024 · One of the key contributions of William Morris Davis to geography is his cycle of erosion. This theory suggests that larger rivers go through three main stages of development, known as the youthful, mature, and old-age stages.
Hace 2 días · The carbon cycle was first described by Antoine Lavoisier and Joseph Priestley, and popularised by Humphry Davy. The global carbon cycle is now usually divided into the following major reservoirs of carbon (also called carbon pools) interconnected by pathways of exchange:: 5–6 Atmosphere; Terrestrial biosphere
1 de may. de 2024 · Soil is one of the principal substrata of life on Earth, serving as a reservoir of water and nutrients, as a medium for the filtration and breakdown of injurious wastes, and as a participant in the cycling of carbon and other elements through the global ecosystem.
11 de may. de 2024 · Con el fin de prestar mayor atención a las cuestiones urgentes que afectan los suelos, como el cambio climático, la resistencia a los antimicrobianos, las enfermedades transmitidas por el suelo, la contaminación, la nutrición y la salud humana, es indispensable cuidarlos y protegerlos.
