Browsing Department of Biology by Subject "Fiskebestander"
Now showing items 1-4 of 4
Barents Sea capelin and us; Do they really mature and migrate at 14cm? Or have we become prisoners in our own Platonic allegory? How shall we respond? (The University of Bergen, 2018-06-15)Capelin (Mallotus Villosus) are an important component of the Barents Sea ecosystem. As zooplankton consumers they play a role in channelling energy up the food web, and they have the potential to represent a biomass of ...Master thesis
Exploring balanced harvesting by using an Atlantis ecosystem model for the Nordic and Barents Seas (The University of Bergen, 2018-06-20)To meet the objectives of the Ecosystem Approach to Fisheries, “Balanced Harvesting” (BH) has been suggested as a possible strategy to ensure a high sustainable yield while maintaining ecosystem structure and function. BH ...Master thesis
Improved density measurements of mesopelagic fish and the presence of physonect siphonophores in sound scattering layers, measured with multifrequency acoustics and a stereo camera mounted on a lowered probe (The University of Bergen, 2018-12-11)The mesopelagic layer is a massive layer of biomass which stretches from 200-1000 meters depth in almost all locations of the world oceans. These layers are inhabited by many groups of animals, from small zooplankton to ...Master thesis
Sources of bias in the RFID tag-recapture data used in the stock assessment of North East Atlantic Mackerel (The University of Bergen, 2017-06-28)Northeast Atlantic Mackerel (Scomber scombrus) is an immensely valuable fish stock for Norway and several other nations. The dynamic stock is spread throughout many nations, making the stock assessment an effort of large ...Master thesis