Question

What r the reasons for land acgradation? Describe any 4 measures to conserve land

Answer 1

1.A temporary or permanent decline in the productive capacity of the land. This can be seen through a loss of biomass, a loss of actual productivity or in potential productivity, or a loss or change in vegetative cover and soil nutrients.

2.Action in the land's capacity to provide resources for human livelihoods. This can be measured from a base line of past land use.

3.Loss of biodiversity: A loss of range of species or ecosystem complexity as a decline in the environmental quality.

4.Shifting ecological risk: increased vulnerability of the environment or people to destruction or crisis. This is measured through a base line in the form of pre-existing risk of crisis or destruction.