摘要
人类足迹的扩张增加了人与野生动物的相互作用。理解自然保护地的濒危物种对人为干扰的响应有助于更好地保护濒危物种和指导保护管理。以往的研究表明野生动物在时空维度会对人类的干扰进行规避,然而这类研究在野生雉类中还较少,尤其是分布在人为干扰相对较强的中低海拔区域的雉类,如白腹锦鸡(Chrysolophus amherstiae)。2017年11月至2018年10月,我们在中国西南部的一个亚热带森林保护区中使用红外相机陷阱技术对白腹锦鸡和人为干扰进行调查,并研究了白腹锦鸡在时空维度对3种不同类型人为干扰(人类活动、放牧和家养动物活动)的响应及其季节变化。结果表明,白腹锦鸡在空间维度并未对人为干扰进行规避,而在非繁殖季节的活动节律上对人为干扰在时间维度上进行了规避。具体而言,白腹锦鸡在全年和非繁殖季节的活动高峰集中在17:30–18:30,明显避开中午的人类活动高峰;而在繁殖季节,白腹锦鸡活动水平明显提高,和人为干扰的重叠度很高,可能是由于求偶、占区等繁殖行为使得白腹锦鸡无法规避人为干扰。此外,在人为干扰强度较高的位点,白腹锦鸡倾向于通过改变其日活动节律,将活动高峰期推迟至傍晚以降低与人为干扰的重叠度,进一步说明白腹锦鸡可通过调节其自身的日活动节律从而避开高强度的人为干扰。由于白腹锦鸡地面营巢和春夏季繁殖,自然保护区管理部门可通过管理人为活动,尤其在繁殖季节通过控制放牧和猫狗的活动来帮助白腹锦鸡及其他地面营巢鸟类维持繁殖成功率。
Aims:The expanding human footprint has increased the frequency of interactions between humans and wildlife.Understanding how fauna respond to anthropogenic disturbances in protected areas is vital to guide management decisions and conservation efforts.Previous studies suggest that wildlife tends to avoid humans both spatially and temporally.However,little attention has been given to how wild pheasants respond to anthropogenic disturbances in protected areas.The Lady Amherst’s pheasant(Chrysolophus amherstiae)is a widely-distributed wild pheasant found in low-to mid-elevation environments across Southwest China,an area that has been perturbed by extensive human activity.This study assesses the Lady Amherst’s pheasant’s spatial and temporal responses to anthropogenic activity in a nature reserve in the subtropical forests of Southwest China.Methods:Between November 2017 and October 2018,we deployed 36 infrared camera traps to survey Lady Amherst’s pheasant behavior and the extent of anthropogenic disturbance(i.e.,livestock grazing,the presence of domesticated dogs and cats,and human activity).We then assessed the spatial and temporal responses of pheasants to anthropogenic disturbances in breeding and non-breeding seasons.Results:Lady Amherst’s pheasant exhibited temporal,but not spatial,avoidance of anthropogenic disturbance.Daily activity of the pheasant peaked from 17:30 to 18:30,avoiding the most vigorous anthropogenic disturbance(occurring at approximately 12:00)in the non-breeding season.In the breeding season,daily activity levels increased rapidly and coincided more frequently with anthropogenic disturbance than during the non-breeding season.This may have been related to breeding activities such as territorial defense and mating displays.Furthermore,pheasants in more intensely disturbed sites were more likely to be active at dusk when human activity was low,suggesting that they adjust their behavior in response to anthropogenic disturbance.Conclusion:Lady Amherst’s pheasants tend to avoid anthropogenic disturbance in the non-breeding season,but reduce avoidance in the breeding season.Management measures such as limiting human activity,grazing,and the number of domestic dogs and cats in the breeding season may help support populations of this wild pheasant and other ground-breeding species in this nature reserve.
作者
胡远芳
李斌强
梁丹
李兴权
刘兰香
杨家伟
罗旭
Yuanfang Hu;Binqiang Li;Dan Liang;Xingquan Li;Lanxiang Liu;Jiawei Yang;Xu Luo(Faculty of Biodiversity and Conservation,Key Laboratory for Conserving Wildlife with Small Populations in Yunnan,Southwest Forestry University,Kunming 650224,China;Institute of Forestry Engineering,Guangxi Eco-Engineering Vocational and Technical College,Liuzhou,Guangxi 545004,China;Princeton School of Public and International Affairs,Princeton University,New Jersey 08540,USA;Management Bureau of Weishan Qinghua Green Peafowl Nature Reserve,Weishan,Yunnan 672400,China)
出处
《生物多样性》
CAS
CSCD
北大核心
2022年第8期96-109,共14页
Biodiversity Science
基金
生态环境部生物多样性调查评估项目(2019HJ2096001006)
云南省省级自然保护区能力建设补助资金。
关键词
人为干扰
活动节律
自然保护区管理
放牧
白腹锦鸡
anthropogenic disturbance
activity rhythm
nature reserve management
grazing
Lady Amherst’s pheasant