Question

All of these are result of land degradation except
A. Soil erosion
B. Extinction of plant species
C. Endangered animals
D. Clear cutting forests
E. Ozone depletion

Answer 1

Hint:-A process in which the value of the biophysical environment acting upon the land is affected by a combination of human-induced processes is called land degradation. Any change or disturbance to the land is undesirable and deleterious. Human activities along with natural calamities causes phenomena such as floods and bushfires which results in land degradation.

Complete step-by-step solution:-The loss in the quality of natural land areas due to pollution is called land degradation. The Various impacts of land degradation on the environment are discussed below:
- A loss of actual productivity or a loss in biomass causes a loss in potential productivity, and thus change in vegetative cover and soil nutrients occur due to declining in the productive capacity of the land.
- With the increased vulnerability of the environment, the equilibrium of nature is shifting.The deterioration in soil structure is due to land degradation. Thus, soil particles cant bindto each other tightly and hence there is soil erosion that removes the upper fertile layer of soil by flood, wind, or any other natural calamity.
- Due to land degradation, many species have become extinct because there is a loss of soil nutrients which are essential for growth causing the loss of biodiversity. This causes a decline in the environmental quality and hence species and ecosystem complexity aredisturbed. Due to land degradation animals also get endangered as their habitat disappears.
-Land degradation doesn't occur due to the clear-cutting of forests. It's a human activity.
- From the degrading land, some halo compounds are released which causes ozone layer
depletion.
- However, the land degradation cannot endanger the life of animal species. Thus correct
option is option (C)

Note:- A problem with defining land degradation is that what one group of people might view as
degradation, others might view as a benefit or opportunity. If we want to plant crops at a location with heavy rainfall, steep slopes are created for environmental concern regarding the risk of soil erosion by water.