BIRD Raptor (Falconiformes and Strigiformes) is a rodent annihilator. Many harmful rodents not only steal the food grain, and many infectious disease carriers.
There are very few vermin because eat cereals, fruits and seeds and is harmful to human beings. The harm to crops is the Yellow breasted bunting, the migratory two passing period, at seedling stage of rice filling or spring, very heavy damage to crops. Also like sparrows, the pest or not has triggered national debate. Such as egrets, kingfishers often on freshwater aquaculture harm.
The nature is harmful to human beings, the key is to see whether the number reached the disaster degree. If the number of rare, its harm is limited, then the greater the harm to the ecological function, should be protected; but if a large number, it should be appropriate to disaster caused by flooding water, and control.
Principles and methods of avian control:
Farms, orchards, wind power plant and in civil airports all prevent harmful birds invaded their territory, thereby endangering their work or equipment safety; the narrow sense, refers to in the civil airport driving birds in order to protect the safety of aircraft, aircraft landing at high speed in order to prevent the birds being sucked into the engine, or hit the aircraft, landing gear and the tail, the windshield all aircraft at the airport, so the key area, especially to take flight takeoff and landing on the runway or taxiway to prevent all birds invasion threats, deter, direct visual auditory killing, chemical, ecological or radar warning and all other means.
How to determine whether there is a bird?
Does it affect humans?
In order to protect the aviation safety, maintenance of passenger property and life safety, the airport has taken various measures such as bird, a variety of means of bird, the scarecrow, the inflatable automatic laser driving birds, firecrackers, bird popping bombs, gas guns, bird repellent, flooding, flooding, Falcon bird shotgun bird bird radar vehicle, etc., these means have played a certain effect. But now there is no worldwide solution to the whole airspace, the whole period of time to Almighty means to drive birds. Driving birds is a worldwide problem, and it is a difficult problem to be solved.