摘要
2004年9月—2005年8月对南充市及郊区白头鹎数量进行调查,并与该地区20世纪50到70年代的鸟类调查资料做比较.结果表明白头鹎数量明显增长,已由过去的常见种变成本地优势种.对促进其种群数量增长的因素进行分析,发现其食性、夜宿地、警戒距离、种间竞争及城市的灯光是有利的.白头鹎已经完全适应城市的生活,变成与人类密切相关的城市鸟类之一.
The number of light-vented bulbul （Pycnonotus sinens） from September 2004 to August 2005 in Nan-chong area in Sichuan province were investigated. The results showed that the number of light-vented bulbul has grown significantly and become a dominant species since 1950＂s. Parameters affecting the growth of Pycnonoutus sirtens were analyzed and found that food, roost-site, laert distance, interspecific competition, and city lights are appropriate factor. Pycnonotus sinens has got used to the city life and become a kind of city bird that are closely associated with human.
出处
《信阳师范学院学报（自然科学版）》
CAS
2011年第4期495-498,共4页
Journal of Xinyang Normal University(Natural Science Edition)
基金
四川省重点学科重点资助项目(SZD0420)
关键词
白头鹎
种群数量
四川
南充地区
Pycnonotus sinens
population
Sichuan
Nanchong area
