NDLI: Increased hormonal stress reactions induced in an Alpine Black Grouse (Tetrao tetrix) population by winter sports

Content Provider	Springer Nature Link
Author	Formenti, Nicoletta Viganó, Roberto Bionda, Radames Ferrari, Nicola Trogu, Tiziana Lanfranchi, Paolo Palme, Rupert
Copyright Year	2014
Abstract	In the Italian Alps the intensification of winter sports represents an increasing threat for Black Grouse (Tetrao tetrix). During the winters 2010/2011 and 2011/2012, characterised by different amounts of snowfall, 58 droppings from as many snow burrows were collected in three areas with different human disturbance to evaluate its effects on Black Grouse stress responses. Subjects in highly disturbed area showed higher concentrations of corticosterone metabolites during the winter with high snow cover highlighting a relationship between animals' stress and regular winter sports. As human-induced stress may contribute to population decline, tourism management should be planned to support Grouse conservation. Durch Wintersport ausgelöste, hormonale Stressreaktionen bei einer alpinen Population von Birkhühnern (Tetrao tetrix)In den italienischen Alpen stellen zunehmende Wintersportaktivitäten eine wachsende Bedrohung der Birkhühner (Tetrao tetrix) dar. In den Wintern 2010/2011 und 2011/2012, charakterisiert durch verschiedene Mengen an Schnee, wurden 58 Kotproben von ebenso vielen Schneehöhlen in drei durch Skitouristen unterschiedlich frequentierten Gebieten gesammelt. In den Kotproben wurden Stresshormonmetaboliten gemessen um den Einfluss der Störung durch den Menschen auf die Birkhühner zu erheben. Vögel im stark gestörten Gebiet wiesen höhere Konzentrationen an Kortikosteronmetaboliten im Winter mit hoher Schneelage auf. Dies legt einen Zusammenhang zwischen Stressreaktionen und regulärem Wintersport nahe. Da zusätzliche Belastungen zum Populationsrückgang beitragen können, sollten beim Tourismusmanagement Aspekte zum Schutz des Birkhuhnes berücksichtigt werden.
Starting Page	317
Ending Page	321
Page Count	5
File Format	PDF
ISSN	21937192
Journal	Journal für Ornithologie
Volume Number	156
Issue Number	1
e-ISSN	21937206
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-07-29
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Endangered species Alpine Galliformes Conservation threat Winter sports Faecal corticosterone metabolites Free-ranging populations Zoology Animal Ecology Evolutionary Biology
Content Type	Text
Resource Type	Article

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