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Declining peatland bird numbers are not consistent with the increasing Common Crane population

dc.contributor.authorFraixedas, Sara
dc.contributor.authorLindén, Andreas
dc.contributor.authorHusby, Magne
dc.contributor.authorLehikoinen, Aleksi
dc.contributor.departmentid4100110810
dc.contributor.orcidhttps://orcid.org/0000-0002-5548-2671
dc.contributor.organizationLuonnonvarakeskus
dc.date.accessioned2020-06-02T05:30:34Z
dc.date.accessioned2025-05-27T17:57:59Z
dc.date.available2020-06-02T05:30:34Z
dc.date.issued2020
dc.description.abstractThe Common Crane (Grus grus) population has experienced an unprecedented increase across Europe during the last decades. Although cranes feed mostly on invertebrates, amphibians and berries during the breeding season, they can also eat eggs and young of other birds. Therefore, conservationists have raised concerns about the potential predatory effect of cranes on wetland avifauna, but the effects of crane predation on bird numbers have so far not been investigated. We here test the relationship between the crane and peatland bird population’ abundances in Finland for five common wader and passerine species, and a set of seven less common waders, using line-transect data spanning from 1987 to 2014. We found that the population densities of two small passerines (Meadow Pipit Anthus pratensis and Western Yellow Wagtail Motacilla flava) and one wader species (Wood Sandpiper Tringa glareola) were positively associated with crane numbers, probably related to a protective effect against nest predators. For the two other common species and the set of less common waders, we did not find any significant relationships with crane abundance. None of the species was influenced by the (lagged) effect of crane presence (i.e. years since crane was first observed). Peatland drainage was responsible for most species’ negative densities, indicating the need to protect and restore peatlands to mitigate the loss of peatland bird diversity in Finland. In addition, openness, wetness and area size were important peatland characteristics positively influencing most of the studied bird populations. The development in crane and other mire bird numbers in Europe should be monitored regularly to reveal any possible future predatory effects contributing to the shaping of the peatland bird community.
dc.description.vuosik2020
dc.format.bitstreamtrue
dc.format.pagerange691-700
dc.identifier.olddbid488375
dc.identifier.oldhandle10024/545839
dc.identifier.urihttps://jukuri.luke.fi/handle/11111/5243
dc.identifier.urnURN:NBN:fi-fe2020060240133
dc.language.isoen
dc.okm.corporatecopublicationei
dc.okm.discipline1181
dc.okm.internationalcopublicationon
dc.okm.openaccess2 = Hybridijulkaisukanavassa ilmestynyt avoin julkaisu
dc.okm.selfarchivedei
dc.publisherSpringer
dc.relation.doi10.1007/s10336-020-01777-6
dc.relation.ispartofseriesJournal of Ornithology
dc.relation.issn2193-7192
dc.relation.issn2193-7206
dc.relation.numberinseries3
dc.relation.volume161
dc.rightsCC BY 4.0
dc.source.identifierhttps://jukuri.luke.fi/handle/10024/545839
dc.subject.ysoPredation-prey interaction
dc.subject.ysoMire
dc.subject.ysoFennoscandia
dc.subject.ysoHabitat degradation
dc.teh41008-80000601
dc.titleDeclining peatland bird numbers are not consistent with the increasing Common Crane population
dc.typepublication
dc.type.okmfi=A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä|sv=A1 Originalartikel i en vetenskaplig tidskrift|en=A1 Journal article (refereed), original research|
dc.type.versionfi=Publisher's version|sv=Publisher's version|en=Publisher's version|

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