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dc.contributor.authorNilsson, Lovisaen_UK
dc.contributor.authorBunnefeld, Nilsen_UK
dc.contributor.authorPersson, Jensen_UK
dc.contributor.authorMansson, Johanen_UK
dc.description.abstractIncreasing numbers of previously threatened large grazing birds (cranes, geese and swans) are causing crop damage along their flyways worldwide. For example, the number of reported incidents of crop damage caused by common cranesGrus grus, followed by regulated inspections and governmental compensation in Sweden, has increased over the last few decades and was valued at ∼200,000 Euros in 2012. Consequently, their impact on agriculture is escalating which raises the need for evidence-informed preventative strategies. We surveyed arable fields for autumn staging common cranes in an area surrounding a wetland reserve in Sweden. We assessed the following factors in relation to the probability of cranes being present on fields: crop stage, crop type, distance to roost site, time of day, field size and time since harvest. Stubble fields had the highest probability of crane presence, progressively decreasing through grassland and grazing grounds, bare soil to growing crop. A stubble field at 5km from a roost site had a predicted probability (95% CI) of hosting cranes of 0.25 (0.19–0.32). The probability of cranes visiting a field was linearly and negatively related to distance to the roost site. For example, the probability of crane presence increased from 0.05 (0.03–0.07) to 0.09 (0.06–0.15) when distance decreased from 5 to 1km. At stubble fields, the probability of crane presence decreased with time since harvest and was highest for barley with progressively lower probability on wheat and oat. Illustrative scenario predictions developed from the models demonstrated that probability of crane presence could be high, 0.60 (0.42–0.77), if all favorable factors were combined (e.g. barley stubble, 1 day after harvest, 1km from roost site). Given the existing framework of international conventions and prohibition of culling, there is a need for preventative strategies to reduce crop damage. Based on our results, such strategies should focus on providing cereal stubbles as diversionary fields, especially close to wetland roosting sites. Stubble field availability can be achieved by careful crop rotation planning. We suggest that crop rotation and time of harvest should be added to flyway management plans recently developed for some large grazing bird species to facilitate stable co-existence between conservation practices and agricultural interests.en_UK
dc.relationNilsson L, Bunnefeld N, Persson J & Mansson J (2016) Large grazing birds and agriculture—predicting field use of common cranes and implications for crop damage prevention. Agriculture, Ecosystems and Environment, 219, pp. 163-170.
dc.rightsCopyright 2015 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (
dc.subjectCrop protectionen_UK
dc.subjectWildlife conflicten_UK
dc.titleLarge grazing birds and agriculture—predicting field use of common cranes and implications for crop damage preventionen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleAgriculture, Ecosystems and Environmenten_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationSwedish University of Agricultural Sciencesen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
dc.contributor.affiliationSwedish University of Agricultural Sciencesen_UK
dc.contributor.affiliationSwedish University of Agricultural Sciencesen_UK
rioxxterms.apcnot requireden_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorNilsson, Lovisa|en_UK
local.rioxx.authorBunnefeld, Nils|0000-0002-1349-4463en_UK
local.rioxx.authorPersson, Jens|en_UK
local.rioxx.authorMansson, Johan|en_UK
local.rioxx.projectInternal Project|University of Stirling|
Appears in Collections:Biological and Environmental Sciences Journal Articles

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