Best assy on Important part of economic of birds
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Answer:
Birds have direct and indirect economic and cultural values for people. Birds are important for humans due to many reasons. Birds provide us food, medicine, fertilizers and also bring about pollinations. Birds are a part of the food chain. Birds also perform vital ecological role, besides their economical role. They are critical links within the vast food chains and webs that exist in the ecosystem. The economic importance of birds can be studied into two parts – A) Beneficial effect B) Harmful effect.
Answer:
Birds have direct and indirect economic and cultural values for people. Birds are important for a lot of reasons. Birds provide us food, medicine, fertilizers and also bring about pollinations. They are important because they are a part of the food chain. Birds are also important because they help spread seeds around and thus help with the planting process. Birds also perform vital ecological role, besides their economical role. They are critical links within the fast food chains and webs that exist in the ecosystem. The economic importance of birds can be studied into two parts – A) Beneficial effect B) Harmful effect
As biological Controls – *Birds are very helpful in controlling injurious crop pests. *There are a wide variety of insect eating birds. *Sparrow generally eat seeds of noxious weeds. *Birds of prey such as hawks, eagles and owls kill rodents, hare and ground squirrels etc which destroys the crops. *Birds can destroy up to 98% of over-wintering codling moth larvae, a major pest of apples worldwide. *No doubt, in the absence ofbirds, many of these insects may become even greater pests, destroying our agricultural and forestry crops. As key stone species –*Some birds are considered keystone species as their presence in (or disappearance from) an ecosystem affects other species indirectly.
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