The amount of snow varies widely in Värmland between different winters but also between different parts of the county. From months of snow to tracking the wolf in to just a few days a year. New methods are therefore necessary in the paths of climate change.

- If there is a wolf inventory during a winter in the winter, the garbage can be collected. Through DNA in the spill, it is possible to distinguish and document family groups, says Fredrik Wilde.

Valuable with white cameras

He thinks it is best if you combine the collection of wolf shooting with game cameras.

- Cameras give results to get good information and are useful in the inventory. Camera documentation is also important to be able to present rejuvenation in the area.

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Here the researchers follow the predator's interaction Photo: SVT

Want more cameras

In the long term, Fredrik Wilde wants more cameras in the woods, in well-chosen locations, to facilitate documentation and inventory.

- Many cameras and good cooperation, so I think we will fix it despite a milder climate.