Browsing Master's theses (INA) by Subject "VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Aquaculture: 922"
Now showing items 1-6 of 6
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Comparing mercury (Hg) concentration in pike (Esox lucius) from the lakes Djupetjern, Holmetjern and Visterflo in Southeast Norway : effects of selenium (Se), individual growth and water chemistry
(Master thesis, 2014-09-24)The objective of this study was two-sided; to establish if there was a difference of mercury (Hg) and selenium (Se) in pike (Esox lucius) from two areas of the Glomma catchment area in Østfold County, Lake Djupetjern and ... -
Effects of culling on the pelagic whitefish population in Lake Randsfjorden aiming at establishing a commercial fishery
(Master thesis, 2015-08-05)The fishery in Lake Randsfjorden has long traditions, and especially the European whitefish Coregonus lavaretus has earlier played an important role as additional food supply for local communities in the area. After a rapid ... -
The growth of Atlantic salmon (Salmo salar) and sea trout (Salmo trutta) from the river Etneelva, Norway. A comparison of the periods 1976-1982 and 2000-2007.
(Master thesis, 2010-11-12)The populations of Atlantic salmon (Salmo salar) and sea trout (Salmo trutta) are declining in Europe. For both species the key seems to be found in the saltwater stage of their life cycle. Two major changes have occurred ... -
Interactions between European minnow (Phoxinus phoxinus) and brown trout (Salmo trutta) in a subalpine lake 40 years after the minnow establishment.
(Master thesis, 2011-10-14)The aim of this study is to clarify the interaction between European minnow (Phoxinus phoxinus) and brown trout (Salmo trutta), in the subalpine lake, Øvre Heimdalsvatn, with special emphasis on habitat use and diet between ... -
Lake-habitat use of post-juvenile sea trout over time and space - An acoustic telemetry study in a regulated river
(Master thesis, 2015-02-26)Managing migratory fish species is a major conservational and scientific challenge, due to the diverse habitat requirements of these species and the required connectivity between the habitats. Little is known about the ... -
Trace metals in water and fish (Unga species, Pungu maclareni, catfish Clarias maclareni) from Lake Barombi Mbo, Cameroon
(Master thesis, 2012-09-17)Lake Barombi Mbo is an isolated oligotrophic lake situated in the volcanic range of West Cameroon and home to several endangered endemic cichlids. A fieldwork was carried out at the lake where water and fish samples ...