Browsing Brage INN by Author "Nergaard, Petter Johannes"

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Estimering av populasjonsstørrelse og overlevelse hos småsalamander (Lissotriton vulgaris) og storsalamander (Triturus cristatus) i en liten gårdsdam over fire år.

Nergaard, Petter Johannes (Bachelor thesis, 2020)

I Norge er det to salamanderarter, storsalamander (Triturus cristatus) og småsalamander (Lissotriton vulgaris). Dette er det nordligste utbredelsesområdet for salamandere i Europa. Salamandere lever mesteparten av livet ...
How do microtine rodent abundance, snow and landscape parameters influence pine marten Martes martes population dynamics?

Angoh, Jennifer; Nergaard, Petter Johannes; Jahren, Torfinn; Odden, Morten; Brainerd, Scott Michael (Peer reviewed; Journal article, 2024)

The pine marten (Martes martes) occupies the northernmost extent of its distribution in Norway, where microtine rodents are an important food item. The relationship between microtine rodent abundance and pine marten ...
Influence of vole cycles and other environmental factors on pine marten (Martes martes) population dynamics and abundance in southeastern Norway

Nergaard, Petter Johannes (Master thesis, 2022)

The pine marten in Norway lives at the northern edge of their distribution area. At this latitude, regular fluctuations in vole population sizes are common, where the amplitudes get more pronounced with increasing latitude. ...