1999-2019年秦岭国家植物园鸟类组成变化

The Change of Birds Composition in Qinling National Botanical Garden From 1999 to 2019

2019年8月至2020年4月采用样点法和样线法,对秦岭国家植物园内鸟类进行了调查。共记录鸟类121种,隶属15目43科,与1999年科考数据比较,新增鸟类67种,未见到鸟类37种。其中广布种比例上升,东洋种和古北种比例下降;冬候鸟和留鸟比例上升,夏候鸟和旅鸟比例下降;游禽、涉禽和鸣禽比例上升,猛禽、陆禽和攀禽比例下降。

From August 2019 to April 2020,surveys were conducted on the birds structure of Qinling National Botanical Garden(QNBG)by line transect and point count methods.A total of 121 bird species of 15 orders,43 families,were recorded.Comparing with the data of the 1999,there are 67 new species of birds,37 species not seen in the 2019.In terms of the structure of birds,the proportion of wide-spreading species increased,the proportion of Oriental species and palaearctic species decreased;the proportion of winter visitors and residents increased,and the proportion of summer visitors and passage migrants decreased;the proportion of wader,waterfowl and songbird increased,whereas the proportion of bird of prey,wood bird and land bird decreased.