Browsing NINA Brage by Author "Nilsson, Anna"
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Fossekallen i Lyngdalsvassdraget 1978-2011. Har kalking resultert i en bedre hekkesuksess?
Jerstad, Kurt; Walseng, Bjørn; Nilsson, Anna; Røstad, Ole Wiggo (NINA rapport;808, Research report, 2012)Jerstad, K., Walseng, B., Nilsson, A.L.K. & Røstad, O.W. 2012. Fossekallen i Lyngdalsvassdraget 1978-2011. Har kalking resultert i en bedre hekkesuksess? – NINA Rapport 808. 46 s. Fossekallbestanden har variert fra 20 ... -
Long-term annual and spatial variation of polygyny in the white-throated dipper (Cinclus cinclus)
Walseng, Bjørn; Durant, Joël; Hessen, Dag Olav; Jerstad, Kurt; Nilsson, Anna; Røstad, Ole Wiggo; Slagsvold, Tore (Peer reviewed; Journal article, 2022)Mating strategies are key components in the fitness of organisms, and notably in birds the occurrence of monogamy versus polygyny has attracted wide interest. We address this by a very comprehensive dataset (2899 breeding ... -
Territory location and quality, together with climate, affect the timing of breeding in the whitethroated dipper
Nilsson, Anna; Slagsvold, Tore; Røstad, Ole Wiggo; Knudsen, E.; Jerstad, Kurt; Cadahia, Luis; Reitan, Trond; Helberg, Morten; Walseng, Bjørn; Stenseth, Nils Christian (Journal article; Peer reviewed, 2019)Recent climate change has led to advanced spring phenology in many temperate regions. The phenological response to variation in the local environment, such as the habitat characteristics of the territories birds occupy, ... -
The potential influence of Atlantic salmon Salmo salar and brown trout Salmo trutta on density and breeding of the white-throated dipper Cinclus cinclus
Nilsson, Anna; L'Abee-Lund, Jan Henning; Vøllestad, Leif Asbjørn; Jerstad, Kurt; Larsen, Bjørn Mejdell; Røstad, Ole Wiggo; Saltveit, Svein Jakob; Skaugen, Thomas; Stenseth, Nils Christian; Walseng, Bjørn (Journal article; Peer reviewed, 2018)Interactions between birds and fish are often overlooked in aquatic ecosystems. We studied the influence of Atlantic salmon and brown trout on the breeding population size and reproductive output of the white-throated ...