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Open Corridors Appear to Facilitate Dispersal by Ringlet Butterflies ( Aphantopus hyperantus ) between Woodland Clearings

Open Corridors Appear to Facilitate Dispersal by Ringlet Butterflies ( Aphantopus hyperantus )... 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Conservation Biology Wiley

Open Corridors Appear to Facilitate Dispersal by Ringlet Butterflies ( Aphantopus hyperantus ) between Woodland Clearings

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Publisher
Wiley
Copyright
Copyright © 1996 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0888-8892
eISSN
1523-1739
DOI
10.1046/j.1523-1739.1996.10051359.x
Publisher site
See Article on Publisher Site

Abstract

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.

Journal

Conservation Biology – Wiley

Published: Oct 1, 1996

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