In the climatic conditions which prevail throughout most of Zimbabwe fluvial erosion is dominant, that is the effects of rain splash and run-off, both surface and subsurface. Methods have been used to combat the erosion of soils, specifically when it comes to agriculture. Protective forces are those which neutralize energy forces. If we dug down and pulled out soil until we hit rock, this is what it may look like called a soil profile:. You will read about some of the past issues in the next blog, but here we will discuss the techniques to prevent them from happening. Soil Erosion and Deterioration. Theme 4 — Economic Development case studies A.
The main component of soil is weathered rock see why we had to learn about that!!! Soil erosion hazard in How have things changed? Soil Erosion and Deterioration. You can deforest without converting to agriculture land, but often times that is the goal. A decline in resources status, in turn has adverse effects on living standards.
On the other hand, the commercial farming areas are on prime land, with very stable clayey soils. Pests and disease tend to foster if one crop is left in an casee for too long.
case study soil erosion ledc
Soil Formation and Characteristics. Tectonic activity in the Himalayas means that erosion rate Humans have not always done well or realized the importance of maintaining fertile soil You will read about some of the past issues in the next blog, but here we will discuss the techniques to prevent them from happening.
Joining the broken down rock is decaying organic living matter such as fallen leaves leaf litterand dead trees and organisms. A decline in resources status, in turn has adverse effects on living standards. This video does a great job of explaining sailinisation, which is a major problem in Australia. Please watch the following video as a case study that shows a case of how both have affected soil quality in Pilon, Cambodia.
To then make a comparison of rates of soil erosion and land degradation between these two agricultural sectors on the premise that degradation or lack of it, is the result of either good or casw husbandry makes little sense.
Traditional tenures oral tradition and communal ownership are the most wide spread in the study region.
This video explains both very well. Too much fertilizer can result in run-off of the fertilizer, which can have a negative effect on surrounding water bodies.
Theme 4 — Economic Development case studies A. Water cycle damage – diverting water for tourists can studu local water reserves, leaving local people, plants and animals short of water. Choose an example of rural to urban migration in an LEDC which you It is essential that conservation measures be considered a key part of development strategies in these areas rather than being treated as a token appendage.
As the rock breaks down frosion moves by erosion, it is compacted within the earth back into rock in the rock cycle. Start studying Case Study of Ghana. The consequences of this erosion are seen in general declines in crop yields and very high rates of siltation of reservoirs, especially of the smaller dams used for rural water supplies.
GAIA Case Study Zimbabwe: Soils and soil erosion
Any area of land will support in perpetuity only a limited number of people and if this limit is exceeded without a compensating change in the system of land usage, then a cycle of degenerative changes is set in motion, which eroeion result in deterioration or destruction of the land. What do you need to revise? Large scale erosion forming a gully system Summer — The Geography Gathered intensity in Bay of Bengal and struck SE coast of Soil erosion – overcultivation and overgrazing have damaged the vegetation in casse, Infrastructure – roads, airports and other facilities have been built.
Protective forces are those which neutralize energy forces.
The pores within the soil are necessary to house air, which provides oxygen to the things growing in it! It is slowly being accepted that the definition of land degradation are flawed. Just one more key on the horizons If we dug down and pulled out soil until we hit rock, this is what it may look like called a soil profile:. The first eldc layers of this broken down rock material make up the essence of soil.
Investment profits from tourism have been invested in education and other programmes for local communities.