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A chain is as strong as its weakest link: assessing the consequences of habitat loss and degradation in a long-distance migratory shorebird

Aharon-Rotman, Yaara, Bauer, Silke and Klaassen, Marcel 2016, A chain is as strong as its weakest link: assessing the consequences of habitat loss and degradation in a long-distance migratory shorebird, Emu: Austral ornithology, vol. 116, no. 2, pp. 199-207, doi: 10.1071/MU15029.

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Title A chain is as strong as its weakest link: assessing the consequences of habitat loss and degradation in a long-distance migratory shorebird
Author(s) Aharon-Rotman, Yaara
Bauer, Silke
Klaassen, MarcelORCID iD for Klaassen, Marcel orcid.org/0000-0003-3907-9599
Journal name Emu: Austral ornithology
Volume number 116
Issue number 2
Start page 199
End page 207
Total pages 9
Publisher CSIRO Publishing
Place of publication Clayton, Vic.
Publication date 2016-02-15
ISSN 0158-4197
1448-5540
Keyword(s) habitat loss
migratory species
Arenaria interpres
Summary The conservation of migratory species represents a major challenge, as they use multiple sites, all contributing in varying degrees in sustaining high survival and reproductive success. There is particular concern for shorebirds of the East Asian-Australasian Flyway (EAAF), where declining numbers of migratory species have mostly been attributed to habitat loss along the East Asian coast. Using a stochastic dynamic programming migration model, we assessed the effect of habitat degradation scenarios along the EAAF on migration behaviour, survival and reproductive success of a long-distance migrating shorebird, the Ruddy Turnstone (Arenaria interpres). Following manipulation of habitat quality through changes in intake rate, we found that changes on the wintering (major non-breeding) ground in South Australia had the highest negative effect on reproductive success and survival. We also identified Taiwan and the Yellow Sea as sites with high importance for reproductive success. Although habitats along the East Asian coastline are currently most threatened from a range of global change processes, we highlight the importance of conserving high-quality shorebird wintering habitat in Australia. This may be of notable importance to trans-equatorial migratory shorebirds, which often make a long non-stop flight from their wintering grounds in order to skip low-latitude sites that typically provide little food.
Language eng
DOI 10.1071/MU15029
Field of Research 050206 Environmental Monitoring
050204 Environmental Impact Assessment
060202 Community Ecology (excl Invasive Species Ecology)
0502 Environmental Science And Management
0602 Ecology
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, BirdLife Australia
Persistent URL http://hdl.handle.net/10536/DRO/DU:30084344

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