What do you understand by ‘Watershed Management’? List any two advantages of watershed management.

Question

(i) What do you understand by ‘Watershed Management’? List any two advantages of watershed management. 

(ii) “Human beings occupy the top level in any food chain.” What are the consequences of this on our body?

Answer 1

(i) Scientific soil and water conservation is called watershed management. 

Its advantages are: 

(a) Increases production and income of watershed community. 

(b) Mitigates droughts and floods. 

(c) Increases the life of downstream dams reservoirs (Any two) 

(ii) (a) Maximum level of bio magnification occurs here because of progressive accumulation. 

(b) We get very small amount of energy as only 10% of the previous energy gets transferred at each trophic level.