跳到内容
Population and Community Level Responses in Anas-Species to Patch Disturbance Caused by an Ecosystem Engineer, the Beaver
关闭预览资料

Population and Community Level Responses in Anas-Species to Patch Disturbance Caused by an Ecosystem Engineer, the Beaver

著者: Petri Nummi; Hannu Pöysä
版本/格式: 文章 文章 : 英语
刊登在:Ecography, Dec., 1997, vol. 20, no. 6, p. 580-584
数据库:JSTOR
提要:
 再读一些...
评估:

(尚未评估) 0 附有评论 - 争取成为第一个。

 

在线查找

与期刊/刊物的链接

在图书馆查找

正在检索... 正在查找有这资料的图书馆...

详细书目

文件类型: 文章
所有的著者/提供者: Petri Nummi; Hannu Pöysä
ISSN:0906-7590
OCLC号码: 480105279
语言注释: English
奖励:

摘要:

We studied the response of a guild of three Anas-species to patch disturbance caused by the beaver Castor canadensis in southern Finland during 1988-1996. Of the three species, the teal Anas crecca increased in beaver ponds during the first two years of beaver occupation compared to the situation before the beaver. The mallard Anas platyrhynchos and wigeon Anas penelope did not respond to beaver flooding during the first two years. Also dominance relations changed upon inundation. The mallard usually was more numerous than the teal before the beaver, but the reverse was the case during beaver occupation. The study shows that some animal guilds may benefit from disturbance although species dominance relations may change. And, that this change in dominance can be caused by an ecosystem engineer, the beaver.

评论

用户提供的评论
正在检索weRead中的评论...
正在获取GoodReads评论...
正在检索Amazon中的评论...

标签

争取是第一个!
确认申请

您可能已经申请过这份资料。如果还是想申请,请选确认。

关闭窗口

请登入WorldCat 

没有张号吗?很容易就可以 建立免费的账号.