Mild rills, for example, occurs at its initial stage and grow to be huge galleys which are not only dangerous but also problematic to human activities. Land cultivation also exposes soil. This involves the removal of large quantities of the topsoil. Another way humans induce soil erosion is via the agricultural process known as tillage. refers to the wearing away of a field’s topsoil by the natural physical forces of water (Figure 1) and wind (Figure 2) or through forces associated with farming activities such as tillage. Even heavier particles can easily be carried away by the moving water. But there’s a lot more to the story than most here have actually touched on. It leaves the affected area exposed to more sporadic erosion making it a sequential occurrence. The landscape of New Zealand has been shaped by wind, water, volcanoes and glaciers over at least 25 million years. During extreme climatic situations like drought, tsunami, and many other conditions, massive erosion occurs. In the soil erosion, uppermost fertile layer of soil which contains essential nutrients is lost. Rabbits. 2020 © Info Curiosity - Are you curious enough? In this process, topsoil sediments are transported elsewhere. Agriculture is the main way humans cause soil erosion. It results in the progressive down-slope movement of soil, causing severe soil loss on upper-slope positions and accumulation in lower-slope positions. Removal of the vegetation covering the ground causes the soil, which is unprotected against wind and water, to erode. Plowing with the furrows up and down slopes … The process of soil erosion is both natural and man-made. When vegetation is planted in the ground, the topsoil is shifted, which causes erosion. Agriculture is the main way humans cause soil erosion. The landscape of New Zealand has been shaped by wind, water, volcanoes and glaciers over at least 25 million years. Soil Erosion. The wind carries away the fine topsoil. In times of drought, for example, the vegetative cover of the soil withers away and the land is left uncovered. Areas with the finer soil are at a higher risk of intense soil erosion than those with coarse types. Water and wind erosion are two main agents that degrade soils. Key Points Of Soil Erosion. Roots also serve in binding the soil together hence cannot be easily disintegrated and made available for the agents of erosion. Burning the bush. When using a garden hose or an irrigation system, the water hits the ground with enough force to cause the soil to erode. The fine and loose soil structures can be easily carried away more than large and firm soil. Erosion is caused by natural forces on the Earth such as water, wind, glaciers, gravity, and living organisms. Desertification is increased by over-settlement, over-grazing and over-cultivation. Human impact causes a reduction of natural vegetation cover or even complete destruction . Articles about science, health, history, geography, etc. People have been the main cause of … Water runoff and rainfall intensity. Farming, grazing, mining, construction and recreational activities are some of the causes of soil erosion. Topsoil, which lies closest to the surface of the land, contains essential nutrients for crops. The intensity of this erosion is only felt when it occurs in large exposed fields. Human activity causes 10 times more soil erosion than all natural processes combined, according to a new study. Overgrazing occurs when farmers stock too many animals such as sheep, cattle or goats on their land. Soil erosion is the major cause of soil degradation. The lighter soil aggregates like silt, fine sand, clay, and organic matter are then easily carried away by the moving water. Agriculture activities, Deforestation, Construction activities, Overgrazing, Over-cropping Information about the areal extent of human-induced soil degradation can … Deforestation, which is logging or burning forests, is a way in which humans cause erosion. Rill erosion is an intermediate stage between sheet erosion and gulley erosion. It is comprised of countless species that create a dynamic and complex ecosystem and is among the most precious resources to humans. With this, the soil will simply respond to the natural causes of soil erosion like wind and rainfall. Also, exposed subsoil is highly erodible to the forces of water and wind. Because topsoil has high levels of organic matter, it is import… It is usually caused due to the removal of vegetation, or any activity that renders the ground dry. Rill Erosion: This type of erosion takes place when the run-off water, laden with soil flowing along the slopes, forms fingerlike channels. 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