|
In 2007-2009, within seven kilometers of the Ordos, Inner Mongolia, Baotou, Hohhot, Xilinhot, Chifeng, Tongliao, Ulanhot and Hailar eight civil aviation airport and its surrounding Avifauna research. Recorded a total of 234 kinds of birds, belonging to 18 orders and 52 families. (?), Kestrel, partridge, Ringed (?), Sandpiper, common tern, pigeons, gray turtledoves, cuckoo, noctua, little owl, long-eared owl, F, Yan, Hoopoe Great Spotted Woodpecker, short-toed lark, Asian short-toed lark, swallow, white magpie (?), wedge-tailed shrike, gray starlings, magpies, mouth crows, sparrows, goldfinch, a small (?), 25 species of birds outside the airport for eight common species, except for a small (?), other bird species are breeding birds. Breeding birds (summer migratory and resident birds) constitute the main body of the bird fauna of the aviation airports. Records to the birds, the birds belong to the state-level key protection Oriental White Stork, Great Bustard and relict gull; angular two countries focus on the protection of birds (?) (?), White spoonbills, whooper swans Little Swan, osprey, black kite, bald Harrier, White-bellied harrier, hen harrier, magpie Harrier, Japanese Sparrowhawk, Sparrowhawk, Goshawk, normal (?), large listless hair pin (?), spotted eagle, grassland Peng, kestrel, red-footed falcon, gray merlin, Yan falcon, saker falcon, Demoiselle Crane, Crane, Xiaoqing Stilt, collared scops Red Screech Owl, Eagle Owl, the flower head owl Harrier, noctua small owl, long-eared owl, short-eared owl. Gubei records to the birds, 90 species, the Jeonbuk type 43, Northeast - 35 kinds, in subtype 17 kinds, Japan - 10 kinds Mediterranean - in subtype Global temperate - tropical type eight kinds, Northeast - North-type 6, three kinds Heights, Eastern Hemisphere temperate - tropical monsoon Himalaya - Hengduan Mountains 1 kinds. Aviation airports breeding bird fauna composition are the main northern type, reflecting the characteristics of Palaearctic avifauna. Through a comparison of the Department of the bird areas of the Inner Mongolia Autonomous Region 8 civil aviation airport and its surrounding areas, the analysis of each airport avifauna composition differences. The results show that the floristic composition of the highest similarity Civil Airport in Chifeng and Tongliao civil airports, two of the survey area 44 kinds of common breeding bird species, the similarity of 56.05%; Hohhot Hailar Civil Aviation Airport, the similarity of the lowest 36 Total breeding bird species, the similarity is only 33.80%. Important value in accordance with the birds, combined with whether birds cluster, flight altitude, and whether factors across the runway and the runway, and integrated to determine the degree of danger of the birds in the aviation airports, the aviation airports dangerous threat to flight safety and to determine the bird species. There will be a potential threat to the birds of grading for serious dangerous, very dangerous, more dangerous, and four levels of general danger. The results show that there are five species of birds were distributed in eight civil aviation airport survey area, and has a higher risk level, respectively (?), Kestrels, pigeons, barn swallows and sparrows. 5 kinds of birds Barn Swallow is a summer migratory birds, the other four species are resident birds. Where sparrows in each airport are serious danger of bird species. The discussion and analysis of bird migration threat to flight safety, combined with the actual situation of the investigation area that aviation airport security risks exist in bird strike and propose appropriate preventive measures.
|