Question
Causes of land degradation
Land degradation refers to the decline in the quality and productivity of the land, resulting from human activities such as deforestation, agricultural practices, mining, urbanization, and climate change. The following are some of the major causes of land degradation:
Deforestation: Deforestation is the cutting down of trees and forests for agricultural, industrial or commercial purposes. It leads to soil erosion, loss of topsoil, and reduced soil fertility.
Agricultural practices: Unsustainable agricultural practices such as overgrazing, monoculture farming, and the use of chemical fertilizers and pesticides lead to soil ____ ________ _____________ _______ ____________ ____________ ____ ___ _________ ____________ _____________ ____________ ___.
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Causes of land degradation
Distinguish between Net Primary Productivity (NPP) and Net Community Productivity (NCP).
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Explain with examples how minor atmospheric gases and aerosols play important roles in the environment.
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