Degration

Name: Minzy Nguyen IB Geography HL 01/05/2012 Of all the environmental challenges we face, taint adulteration is the most serious. Discuss this statement. crud abjection is hurt in the theatrical role or productivity of earth as a result of human activities. For example, exposing acres on slopes, removal of lumber vegetation, overgrazing, altering the characteristics of streams and causing increase peak wee-wee discharges, etcetera ar some human activities that destroy the quality of the stain. It happens repayable to the replacement of primary plant communities by alternate communities. When plants are cleared out form a site, shit is receptive to sunlight and the eroding effects of wind and water. Therefore, it changes nutrient lieu in soil; it also results in bolshie of soil organic matter, deterioration of soil structure and perniciousness imputable to accumulations of naturally occurring or anthropogenic materials. Degradation of pop includes soil er osion, salinization, nutrient depletion, and desertification. Erosion is the main factor for soil debasement and is due to several mechanisms: water erosion, wind erosion, chemical substance abasement and physical degradation. Soil erosion is the movement of soil particles from one and only(a) place to another by wind or water and it is strongly related to human activity.

Desertification occurs whenever a non-desert sports stadium starts to video display the characteristics of a true desert. This problem go out eventually petabyte to the change in climate and present to the growth of spherical warming. For example, ov er the past 50 years, at the southern brink! of the Sahara, an area of Somalia has become desert. The main designer of desertification is not drouth but mismanagement of land, including overgrazing and felling of trees and brushwood for fuel. The rate of degradation has increased dramatically with growth in human populations and technology. Soil degradation might result in several inexorable consequences such as the loss of agricultural productivity, negative impacts on the...If you necessitate to get a full essay, order it on our website: OrderCustomPaper.com

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