Open corridors appear to facilitate dispersal by ringlet butterflies (Aphantopus hyperantus) between woodland clearings

被引：92

作者：

Sutcliffe, OL ^{[1
]}

Thomas, CD ^{[1
]}

机构：

[1] UNIV LEEDS,DEPT BIOL,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND

来源：

CONSERVATION BIOLOGY | 1996年 / 10卷 / 05期

关键词：

D O I：

10.1046/j.1523-1739.1996.10051359.x

中图分类号：

X176 [生物多样性保护];

学科分类号：

090705 ;

摘要：

We studied the ringlet butterfly (Aphantopus hyperantus) in an area of woodland in eastern England. A. hyperantus occurs in open fields, rides (grassy tracks), and glades within the woodland. Mark-recapture methods showed that exchange rates of adult A. hyperantus between fields and glades can be predicted better by distance-via-rides than by direct distance. Behavioral observations showed that A. hyperantus readily moved from glades into rides but rarely moved from glades into dense woodland. The rides are likely to be corridors that act as conduits between fields and glades. In the A. hyperantus system, connectivity could reduce local extinctions and increase rates of recolonization in the event of local extinction.

引用

页码：1359 / 1365

页数：7

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