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Position: Home > Articles > Population Quantitative Change of Pica pica and Phasianus colchicus of Wuwei Dongshawo in 25 Years(1990 to 2014) Journal of Gansu Forestry Science and Technology 2014,39 (4) 15-19

武威东沙窝喜鹊、环颈雉种群数量25年变化

作者：

刘明成

单位：

国家林业局甘肃濒危动物保护中心

关键词：

喜鹊;环颈雉;种群数量;变化;武威东沙窝

摘要：

采取路线调查法,在1990~2014年对武威东沙窝地区的喜鹊环颈雉进行了调查,并通过比较来说明该地区25年来两者数量变化原因。结果表明:2005年前,喜鹊数量明显下降,环颈雉数量显著增加;2005年后,喜鹊数量逐渐恢复和增加,而环颈雉数量逐渐减少。主要是因前期大量使用而后期控制使用剧毒农药和杀鼠剂,引起食物链中位居生产者或消费者的鼠、猫数量变化引起的。喜鹊环颈雉数量变化主要是人为活动干扰造成的。因此,要尽量减少人为活动干扰,营造良好生态环境,使种群间通过天然食物链关系而健康共存。

译名：

Population Quantitative Change of Pica pica and Phasianus colchicus of Wuwei Dongshawo in 25 Years(1990 to 2014)

作者：

LIU Ming-cheng;National Forestry Bureau Gansu Protection Center for Endangered Animals;

关键词：

Pica pica;;Phasianus colchicus;;population;;change;;Wuwei Dongshawo

摘要：

Take line transects method, both of Pica pica and Phasianus colchicus were investigated in Wuwei Dongshawo areas from 1990 to 2014, and by comparison to illustrate reasons of population change in 25 years. The survey area is divided into three kinds of habitat types(shrub, forest-grass complex area, scenic spots), then population change of Pica pica and Phasianus colchicus population were investigated in each habitat type. The results show that: before 2005, Pica pica population number decreased, Phasianus colchicus population number increased significantly. This is due to the extensive use of highly toxic pesticides and rodenticides cause rats and cats died, with the producers or consumers in the food chain caused. Since 2005, control the use of highly toxic pesticide and rodenticides, the Pica pica population number gradually restored and increased, while population number of Phasianus colchicus gradually reduced. In the past 25 years, population change of both Phasianus colchicus and Pica pica are mainly caused by human disturbance, the correlation between the two population changes were lower. Therefore, to minimize human disturbance, and create a good ecological environment, so that through the natural food chain relationships and healthy coexistence between populations.

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武威东沙窝喜鹊、环颈雉种群数量25年变化

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