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Matching a changing world - the importance of habitat characteristics for farmland breeding Eurasian curlew

Jong, Adriaan de (2012). Matching a changing world - the importance of habitat characteristics for farmland breeding Eurasian curlew. Diss. (sammanfattning/summary) Umeå : Sveriges lantbruksuniv., Acta Universitatis agriculturae Sueciae, 1652-6880 ; 2012:16
ISBN 978-91-576-7652-8
[Doctoral thesis]

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Abstract

Where animals are and what they do, is the result of a continuous cost-benefit analysis of available alternatives. Choices have to be made, for example when settling in a breeding territory after migration, when foraging conditions change, when humans change the landscape, or when a predator approaches the nest. In this thesis, I used Eurasian curlew data to address these issues at the national, landscape and agricultural field level.
The results show that farmland was the most important habitat for the species (appr. four times as important as mires), but that < 40 ha patches of farmland embedded in forest landscapes were seldom used. During the first part of the breeding season, the birds preferred to forage on leys, but later they shifted to cereal fields. No effect of the construction of the Bothnia Line railway on Eurasian curlew densities could be shown. Finally, experimental approaches of nests showed that the chances for hatching success were best when the incubating bird leaved the nest neither very soon nor very late.
Albeit flexible in behaviour, Eurasian curlews seem to demand landscapes that contain sufficiently large patches of farmland, preferably with mixtures of fields under different management.

Authors/Creators:Jong, Adriaan de
Title:Matching a changing world - the importance of habitat characteristics for farmland breeding Eurasian curlew
Series/Journal:Acta Universitatis agriculturae Sueciae (1652-6880)
Year of publishing :25 May 2012
Volume:2012:16
Number of Pages:47
Papers/manuscripts:
NumberReferences
IAdriaan de Jong & Åke Lindström. The relationship between habitat and abundance in Eurasian curlew and northern lapwing over a large latitudinal gradient. (Manuscript)
IIAdriaan de Jong & Lars Edenius. Landscape distribution of Eurasian curlew: does habitat patch size matter? (Manuscript)
IIIAdriaan de Jong. (2012). Seasonal shift of foraging habitat among farmland breeding Eurasian curlews. Ornis Norvegica 35: 23-27.
IVAdriaan de Jong & Nils Bunnefeld. A before-during-after control-impact study of railway construction and farmland breeding bird densities. (Manuscript)
VAdriaan de Jong, Carin Magnhagen & Carl-Gustaf Thulin. Do farmland breeding Eurasian curlew optimize flight initiation distance to maximize hatching probability? (Manuscript)
Place of Publication:Umeå
Publisher:Institutionen för vilt, fisk och miljö, Sveriges lantbruksuniversitet
ISBN for printed version:978-91-576-7652-8
ISSN:1652-6880
Language:English
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:L Animal production > L20 Animal ecology
P Natural resources > P01 Nature conservation and land resources
Subjects:Obsolete subject words > NATURAL SCIENCES > Biology > Terrestrial, freshwater and marine ecology > Terrestrial ecology
Obsolete subject words > NATURAL SCIENCES > Biology > Terrestrial, freshwater and marine ecology > Ethology and behavioural ecology
Agrovoc terms:birds, charadriiformes, farmland, habitats, biodiversity conservation
Keywords:farmland bird, habitat association model, patch size, patch occupancy, foraging habitat, infrastructure, flight initiation distance, biodiversity conservation
URN:NBN:urn:nbn:se:slu:epsilon-e-429
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-429
ID Code:8736
Department:(S) > Dept. of Wildlife, Fish and Environmental Studies
Deposited By: Adriaan de Jong
Deposited On:25 Apr 2012 07:17
Metadata Last Modified:02 Dec 2014 10:49

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