Avian Diversity and Bird Strike Avoidance in Gaoping Airport of Nanchong in Autumn and Winter
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Abstract
An investigation had been made into the bird communities in habitats of the villages， farmlands， plantations of pine，and grasslands in Gaoping Airport and the surrounding area from September 2006 to February 2007， with the related diversity indices analyzed. A total of 81 species belonging to 37 families and 13 orders was recorded. The bird density in the farmlands and villages were higher than in the grasslands and plantations of pine in autumn and winter. The density in winter was higher than in autumn in the grasslands. Based on the habits and habitats， analysis of important values， the habitat distribution coefficient， the densities of Egretta garzetta，Columba domestica，Streptopelia orientalis，Motacilla alba，Pycnonotus sinensis，Alauda gulgula，Emberiza pusilla etc were dangerous to airplanes in autumn；Columba domestica，Alauda gulgula，Emberiza pusilla，Carduelis sinica，Pycnonotus sinensis，Anthus spinoletta etc were dangerous to airplanes in winter. Some control measures to prevent birds striking aircraft have been proposed in this paper, such as decresing the quantity of the bearing plants, reducing grass in height and limiting the density of soil fauna etc.
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