Browsing Bergen Open Research Archive by Author "Walker, Samuel James"
Now showing items 1-5 of 5
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Archaeological bird remains from Norway as a means to identify long-term patterns in a Northern European avifauna
Walker, Samuel James (Doctoral thesis, 2021-06-18)Birds are currently facing a biodiversity crisis. Seabirds, birds in agricultural landscapes, and montane birds are particularly vulnerable to extinction. Whilst their modern distributions are well studied, how past events ... -
Birds in medieval Norway
Walker, Samuel James; Hufthammer, Anne Karin; Meijer, Hanneke (Peer reviewed; Journal article, 2019)Whilst modern avian distributions in Scandinavia are well studied, how past events and processes have shaped modern bird communities in the region remains poorly known. This is mainly due to the fact that work on post-glacial ... -
A long-term study of size variation in Northern Goshawk Accipiter gentilis across Scandinavia, with a focus on Norway
Walker, Samuel James; Lislevand, Terje; Meijer, Hanneke Johanna Maria (Journal article; Peer reviewed, 2023)Changing climate and growing human impacts are resulting in globally rising temperatures and the widespread loss of habitats. How species will adapt to these changes is not well understood. The Northern Goshawk (Accipiter ... -
Size variation in mid-Holocene North Atlantic Puffins indicates a dynamic response to climate change
Walker, Samuel James; Meijer, Hanneke (Journal article; Peer reviewed, 2021-02-24)Seabirds are one of the most at-risk groups, with many species in decline. In Scandinavia, seabirds are at a heightened risk of extinction due to accelerated global warming. Norway is home to significant portion of the ... -
Why did the chicken cross the Wallace Line? Archaeological evidence suggests human-mediated dispersal of Gallus to Flores first occurred at least ~2.25 ka cal. BP
Meijer, Hanneke Johanna Maria; Walker, Samuel James; Sutikna, Thomas; Saptomo, E. Wahyu; Tocheri, Matthew W. (Journal article; Peer reviewed, 2022)Domesticated chickens (Gallus gallus domesticus) are a dominant part of the global human diet. Although the early domestication history of this species remains disputed, Mainland Southeast Asia (MSEA) is assumed to have ...