Harvesting, climate and population structure of harvested stocks in the Barents Sea
Since Hjort in 1914 it is accepted that recruitment variation is a major source of variability in the biomass of adult fish. In a recent study published in Marine Ecology Progress Series (Durant & Hjermann 2017) we investigated how external forcing and age structure alter the effect of the year-to-year recruitment variability on population growth for some key fish species which occupy different trophic levels in an Arcto-boreal marine ecosystem.
Understanding the influence of the fish traders on the fishers for a small lake in Uganda
Conventional fishing management by governmental regulation often oversimplifies the complex interplay of power relationships between fishers and other stakeholders. In a recent study published in Ecology and Society (Kininmonth et al. 2017), we looked how the fishing-traders relationships may affect fishing patterns in light of market or ecological changes.
Welcome to the annual Darwin Day celebration at the university of Oslo! This open event is for everybody interested in science and history. All are welcome! Lectures by Dieter Ebert, C. Jessica E. Metcalf, Olivia Roth, and Carla Saleh.