Response of predators to Western Sandpiper nest exclosures

Niehaus, Amanda C., Ruthrauff, Daniel R. and McCaffery, Brian J. (2004) Response of predators to Western Sandpiper nest exclosures. Waterbirds, 27 1: 79-82. doi:10.1675/1524-4695(2004)027[0079:ROPTWS]2.0.CO;2


Author Niehaus, Amanda C.
Ruthrauff, Daniel R.
McCaffery, Brian J.
Title Response of predators to Western Sandpiper nest exclosures
Journal name Waterbirds   Check publisher's open access policy
ISSN 1524-4695
1938-5390
Publication date 2004-03-01
Sub-type Article (original research)
DOI 10.1675/1524-4695(2004)027[0079:ROPTWS]2.0.CO;2
Volume 27
Issue 1
Start page 79
End page 82
Place of publication Waco, TX, United States
Publisher Waterbird Society
Language eng
Formatted abstract
In 2001, predator exclosures were used to protect nests of the Western Sandpiper (Calidris mauri) in western Alaska. During the exclosure experiment, nest contents in exclosures had significantly higher daily survival rates than control nests, however, late in the study predators began to cue in on exclosures and predate the nest contents. An Arctic Fox (Alopex lagopus) dug under one exclosure and took the newly hatched chicks, and Long-tailed Jaegers (Stercorarius longicaudus) learned to associate exclosures with active nests and repeatedly visited them. The jaegers attempted to gain access to exclosed nests and pursued adult sandpipers as they emerged from the exclosures. The exclosures were removed to reduce potential mortality to adult and young sandpipers, but subsequently, post-exclosure nests had lower daily survival rates than controls during the same time period. Predation of post-exclosure eggs and chicks highlighted the lasting influence of the exclosure treatment on offspring survival because predators probably remembered nest locations. Researchers are urged to use caution when considering use of predator exclosures in areas where jaegers occur.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Also known as "Predator attraction to Western Sandpiper nest exclosures".

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Biological Sciences Publications
 
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Created: Mon, 19 May 2014, 21:58:31 EST by Ms Amanda Niehaus on behalf of School of Biological Sciences