Blar i Brage NMBU på forfatter "Janz, David M."
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Can concentrations of steroid hormones in brown bear hair reveal age class?
Cattet, Marc; Stenhouse, Gordon B.; Boulanger, John; Janz, David M.; Kapronczai, Luciene; Swenson, Jon; Zedrosser, Andreas (Journal article; Peer reviewed, 2018)Although combining genetic and endocrine data from non-invasively collected hair samples has potential to improve the conservation of threatened mammals, few studies have evaluated this opportunity. In this study, we ... -
Correcting for enzyme immunoassay changes in long term monitoring studies
Wilson, Abbey E.; Sergiel, Agnieszka; Selva, Nuria; Swenson, Jon; Zedrosser, Andreas; Stenhouse, Gordon; Janz, David M. (Peer reviewed; Journal article, 2021)Enzyme immunoassays (EIAs) are a common tool for measuring steroid hormones in wildlife due to their low cost, commercial availability, and rapid results. Testing technologies improve continuously, sometimes requiring ... -
Quantifying long-term stress in brown bears with the hair cortisol concentration: a biomarker that may be confounded by rapid changes in response to capture and handling
Cattet, Marc; Macbeth, Bryan J.; Janz, David M.; Zedrosser, Andreas; Swenson, Jon; Dumond, Mathieu; Stenhouse, Gordon B. (Journal article; Peer reviewed, 2014)