a) What do you understand by “Watershed Management”? List any two advantages of watershed management. b) “Human beings occupy the top level in any food chain.” What are the consequences of this on our body?
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a) Watershed Management is a term used to describe the process of implementing land use practice and water management practice to protect and improve the quality of water and other natural resources within a watershed by managing the use of those land and water resources in comprehensive manner
Advantages
1. Control of water so that we can use it for our own benefits or in order to supply water to residents.
2. Negative downstream impact is reduced.
3. Reduce the bad impact on ground water.
b) As human occupy the top most tropic level in food chain which cause human to accumulate pesticides and chemical in large amount as this process is known as biomagnification. Biomagnification is the increase in concentration of a substance with the increase in tropic level. So it will cause of health.
Advantages
1. Control of water so that we can use it for our own benefits or in order to supply water to residents.
2. Negative downstream impact is reduced.
3. Reduce the bad impact on ground water.
b) As human occupy the top most tropic level in food chain which cause human to accumulate pesticides and chemical in large amount as this process is known as biomagnification. Biomagnification is the increase in concentration of a substance with the increase in tropic level. So it will cause of health.
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