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The movements and breeding site fidelity of the natterjack toad (Bufo calamita) in an urban park near Paris (France) with management recomme ...

The movements and breeding site fidelity of the natterjack toad (Bufo calamita) in an urban park... AbstractThe isolation of animal populations due to urban activities provides a usefulframework for studying the consequences of landscape fragmentation. Westudied a population of natterjack toads (Bufo calamita) in an urban parknear Paris, France. In 2001 and 2002 we used radio-tracking to estimate theterrestrial movements of adults around their breeding sites. Twenty-fourtoads were equipped with internal transmitters in 2001 to record movementsduring and after the breeding period. In 2002, 19 males were released at 300and 380 meters from their breeding ponds. Natterjack toad movements aroundand outside their breeding ponds were reduced compared to previousobservations on this species. The only exchanges that were observed occurredbetween closely neighbouring breeding sites. During a translocationexperiment in 2002, 58% of the displaced males returned to their site ofcapture and this happened mainly during the breeding period. The remaining42% stayed close to the release site. There was no exchange of males betweendistant breeding sites. Natterjack toad conservation needs to take intoaccount the high fidelity to a breeding site and the reduced breedingdispersal and homing ability of these animals. Conservation biology in urbanlandscapes constitutes a specific urban ecology with specific concepts suchas 'population area'. Information from this study can assist land managersin establishing protected areas of high habitat quality around breedingponds in urban areas, and managing parks for the protection of amphibianpopulations, particularly by facilitating exchanges between availableareas. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Amphibia-Reptilia Brill

The movements and breeding site fidelity of the natterjack toad (Bufo calamita) in an urban park near Paris (France) with management recomme ...

Amphibia-Reptilia , Volume 27 (4): 8 – Jan 1, 2006

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0173-5373
eISSN
1568-5381
DOI
10.1163/156853806778877130
Publisher site
See Article on Publisher Site

Abstract

AbstractThe isolation of animal populations due to urban activities provides a usefulframework for studying the consequences of landscape fragmentation. Westudied a population of natterjack toads (Bufo calamita) in an urban parknear Paris, France. In 2001 and 2002 we used radio-tracking to estimate theterrestrial movements of adults around their breeding sites. Twenty-fourtoads were equipped with internal transmitters in 2001 to record movementsduring and after the breeding period. In 2002, 19 males were released at 300and 380 meters from their breeding ponds. Natterjack toad movements aroundand outside their breeding ponds were reduced compared to previousobservations on this species. The only exchanges that were observed occurredbetween closely neighbouring breeding sites. During a translocationexperiment in 2002, 58% of the displaced males returned to their site ofcapture and this happened mainly during the breeding period. The remaining42% stayed close to the release site. There was no exchange of males betweendistant breeding sites. Natterjack toad conservation needs to take intoaccount the high fidelity to a breeding site and the reduced breedingdispersal and homing ability of these animals. Conservation biology in urbanlandscapes constitutes a specific urban ecology with specific concepts suchas 'population area'. Information from this study can assist land managersin establishing protected areas of high habitat quality around breedingponds in urban areas, and managing parks for the protection of amphibianpopulations, particularly by facilitating exchanges between availableareas.

Journal

Amphibia-ReptiliaBrill

Published: Jan 1, 2006

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