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Land Degradation And Conservation Measures Pdf

land degradation and conservation measures pdf

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Published: 29.05.2021

Though soil and water conservation SWC technologies have been adopted in Geshy subcatchment, their effects on soil quality were limitedly studied. The studied soils are characterized by low bulk density, slightly acidic with clay and clay loam texture. P at the bottom slope classes and terrace positions could be attributed to the erosion reduction and deposition effects of SWC measures.

Department of Earth Sciences

A variety of soil and water conservation measures are well known. These technologies can be differentiated either by their main purpose or by type. As many among them fulfil several functions simultaneously these are classified here by type see figure :. These measures are often used in combination, especially the many traditional soil and water conservation techniques. This is increasingly considered as reasonable. Merely technical approaches are often not successful, especially without participation of the local farmers, forest managers, etc. Bollom

Environmental Land Use Planning. Land degradation is a concept in which the value of the biophysical environment is affected by one or more combination of human induced processes acting upon the land. It literally refers to the impairment of natural quality of soil component of any ecosystem. Land degradation which is also seen as a decline in land quality caused by human activities, has been a major global issue since the 20th century and it has remained high on the international agenda in the 21st century. The importance of land degradation in Calabar South is enhanced because of its impact on food security and quality of the environments. The map of the study area is presented on the next page. Land degradation can be viewed as any change or disturbance to the land perceived to be deleterious or undesirable Eswaran,

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Soil degradation is a point of evolution which leads to a reduction of resource potential. About 7. The problem of soil degradation has been ever since cultivation of soils started because of increasing population of India at the rate of about 1. The present study was conducted in Kaithal district in the year Soil conservation is important for the future use and future generation. The study would be helpful in soils conservation which may otherwise cause damage to plant growth which in turn may adversely affect yield and there by food security also.

Climate change, land degradation and land use are linked in a complex web of causality. One important impact of climate change on land degradation is that increasing global temperatures intensify the hydrological cycle, resulting in more intense rainfall, which is an important driver of soil erosion. This means that sustainable land management SLM becomes even more important with climate change. Land-use change in the form of clearing of forest for rangeland and cropland e. Many SLM practices e. Avoiding, reducing and reversing land degradation has a large potential to mitigate climate change and help communities to adapt to climate change. Climate change will affect land-related ecosystem services e.


developments and lessons in measures to control land degradation, and land degradation control, whether promoted as soil conservation or.


Land Degradation: Meaning, Causes and Prevention of Land Degradation

Effects of Land Degradation on Soil Fertility: A Case Study of Calabar South, Nigeria

Soil conservation is the prevention of loss of the top most layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification , salinization or other chemical soil contamination. Slash-and-burn and other unsustainable methods of subsistence farming are practiced in some lesser developed areas. A sequel to the deforestation is typically large scale erosion , loss of soil nutrients and sometimes total desertification. Techniques for improved soil conservation include crop rotation , cover crops , conservation tillage and planted windbreaks , affect both erosion and fertility. When plants die, they decay and become part of the soil. Code defines standard methods recommended by the U.

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PDF | Land degradation is not uniform, even in the same landscape, but nevertheless an overall consensus seems to grow on the fact that.


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2 Comments

  1. Jade B.

    31.05.2021 at 22:44
    Reply

    Read this article to learn about the meaning, factors responsible, prevention and control measures of land degradation:.

  2. Ermengardi A.

    03.06.2021 at 07:09
    Reply

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