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Nesting success in redshank Tringa totanus breeding on coastal meadows and the importance of perches used by avian predators
Gotland University, Department of Biology.
Gotland University, Department of Biology.
2005 (English)In: Bird Study, ISSN 0006-3657, Vol. 52, no 3, 289-296 p.Article in journal (Refereed) Published
Abstract [en]

Aims: To investigate if predation on Redshank nests was affected by habitat characteristics at a local scale.

Methods: We examined survival rates of Redshank nests on coastal meadows on the Baltic island of Gotland, Sweden, over two breeding seasons. We analysed nest survival rates in relation to several habitat characteristics that may benefit predators searching for nests. We examined existing studies concerning predation rates on wader nests in relation to edges and habitat features potentially used by avian predators.

Results: We found no significant effects of distance to habitat edge or to nearest potential lookout for avian predators or to shoreline. Abundance of Lapwings Vanellus vanellus, an aggressive species with active nest-defence, did not have any significant effect on nest survival rate, nor did vegetation concealment of nests. Nest survival rates were significantly different between years and lower later in the season.

Conclusions: There is only weak support for general effects on wader nest predation rates of proximity to edges and features used by avian predators. Simple mechanical management actions such as removal of trees and bushes on coastal meadows may not directly, and by itself, result in higher reproductive success of waders. Further understanding is needed of the behaviour of predators and the composition of the predator community in different landscapes in order to increase the efficiency of management actions to remove threats to vulnerable species on coastal meadows.

Place, publisher, year, edition, pages
Tring, Herts.: British Trust for Ornithology , 2005. Vol. 52, no 3, 289-296 p.
Keyword [en]
Redshank, Tringa totanus, predation, nesting success, perches
National Category
Research subject
URN: urn:nbn:se:hgo:diva-147OAI: oai:DiVA.org:hgo-147DiVA: diva2:248952
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-07-01Bibliographically approved

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Larsson, Kjell
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