Can Noxious Odours Effectively Protect Clutches of Ground-Nesting Birds?
[摘要] Insearchforanalternativetolethalmethodsofpredatorcontrol,wetestedtheefficacyoftwonoxiousodours,HukinolandHundeschreck,aspredatorrepellentsinfieldexperimentswithartificialandrealnests.Hukinolproducesastronghumanscent,whereasHundeschreckisacombinationofminerals,plantextracts,andpelargonicacid.IntwofieldexperimentswithartificialnestsexposedinopenlandscapesofWesternLowerSaxony,wefoundnoevidenceforalongersurvivalrateofneststreatedwiththeodourrepellents.ThesameresultwasobtainedinapilotstudywithrealnestsofLapwingVanellusvanellus.InthelatterstudyhalfofthenestsweretreatedwithHukinol,theotherswereusedascontrols.Insummary,bothchemicalsshowlittlepromiseinreducingpredation-dependentnestfailureinground-nestingbirds.
[发布日期] [发布机构]
[效力级别] [学科分类] 动物科学
[关键词] Lapwing [时效性]
