Browsing USN Open Archive by Author "Johnsen, Christin Beate"

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Naïve dairy cattle do not produce less milk in response to brown bear (Ursus arctos) fecal odor

Johnsen, Christin Beate (Master thesis, 2017)

Predators can have direct effects on prey by killing individuals, but may also have indirect effects caused by fear. Indirect effects may represent costs that can affect the individual fitness of prey by reducing growth, ...
Scent-sniffing dogs can discriminate between native Eurasian and invasive North American beavers

Rosell, Frank; Cross, Hannah; Johnsen, Christin Beate; Sundell, Janne; Zedrosser, Andreas (Peer reviewed; Journal article, 2019)

The invasion of a species can cause population reduction or extinction of a similar native species due to replacement competition. There is a potential risk that the native Eurasian beaver (Castor fiber) may eventually be ...