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Now showing items 11-20 of 21
(Master thesis / Masteroppgave, 2015)
Hybridization is a common phenomenon within the genus Canis. The recently discovered African wolf (Canis lupaster), is sympatric with several closely related species; the Ethiopian wolf (Canis simensis), the side-striped ...
(Master thesis / Masteroppgave, 2015)
A permanent landscape scale grazing experiment was established at Hol, Buskerud, in a lower alpine ecosystem with a recent history of rather low grazing pressure. Since 2002, nine sub-enclosures has been permanently subjected ...
(Master thesis / Masteroppgave, 2015)
Animal personality can be defined as individual behavioural differences that are repeatable and consistent across time and/or contexts. In the model species great tit Parus major, studies on personality have shown consistent ...
Mycorrhiza and root-associated fungi of the ericaceous Arctic plant Cassiope tetragona after artificial warming and in the natural environment Restricted Access
(Master thesis / Masteroppgave, 2015)
Mycorrhizal associations are essential to most plant life on earth. Cassiope tetragona is a circumpolar Arctic plant in the Ericaceae family, which has been reported to form ericoid mycorrhiza as well as ectomycorrhiza, ...
Vegetation-environment relationships of a kettle-hole floodplain at Øvre Romerike, SE Norway Restricted Access
(Master thesis / Masteroppgave, 2015)
Sandtjern nature reserve, located on the Gardermoen Delta, SE Norway, consists of a series of kettle holes that are subjected to severe annual wet-dry cycles due to flooding. In the rainy season in late autumn, the kettle ...
(Master thesis / Masteroppgave, 2015)
The Black Death pandemic swept through Europe during the Middle Ages leading to high mortality from plague, caused by the bacterium Yersinia pestis. How the disease was transmitted in Europe is not fully elucidated, and ...
(Master thesis / Masteroppgave, 2015)
Various stressors such as higher temperatures, grazing by sea urchins, and anthropogenic effects may threaten kelp forests around the world. Conservation efforts can benefit from an understanding of current and historic ...
(Master thesis / Masteroppgave, 2015)
Fisheries activities and the development of more efficient fishing gear, have had detrimental effects in commercial stocks. This occurs largely as a result of negative selection acting on certain individuals during the ...
(Master thesis / Masteroppgave, 2015)
Arabidopsis thaliana has proven to be an extremely useful model organism in studies of plant biology and an extensive base of knowledge has been amassed of the diverse molecular processes in this plant. The next step is ...