Blar i NTNU Open på emneord "Marine Biology and Biochemistry"
Viser treff 1-12 av 12
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Conservation of genetic diversity in populations of stellate sturgeon (Acipenser stellatus) of the NW Black Sea and Lower Danube River
(Master thesis, 2011)The stellate sturgeons as well as the other sturgeon populations inhabiting the Lower Danube River system (LDR) and the NW part of the Black Sea have experienced a severe decline due to heavy fishery, river regulation and ... -
Development of biofouling on salmon cage nets and the effects of anti-fouling treatments on the survival of the hydroid (Ectopleura larynx) (Ellis & Solander, 1786)
(Master thesis, 2012)Biofouling has become a serious problem for farmers in the Norwegian finfish aquaculture industry in recent years; with the hydroid Ectopleura larynx dominating the fouling community in southwestern and mid-Norwegian waters. ... -
Effects of Nest Spacing on Nest Occupation, Mating Success and Mating Behaviour in the Two-spotted Goby (Gobiusculus flavescens)
(Master thesis, 2011)I investigated hoe different spacing of breeding sited affects different aspects of mating behaviour in the two-spotted goby. I found that clumped nest spacing affects nest occupations and reproductive success negatively. ... -
Gastropods Associated with Laminaria hyperborea and Saccorhiza polyschides in a Norwegian Kelp Forest: Comparison of Sampling and In Situ Imaging Techniques
(Master thesis, 2011)The snail fauna (class Gastropoda) associated with the two kelp species Laminaria hyperborea and Saccorhiza polyschides was sampled during September and December 2009, and March 2011. Over 1000 gastropod individuals ... -
How Photosynthesis in Laminaria digitata and Saccharina latissima is Affected by Water Temperature
(Master thesis, 2011)The aim of this thesis is to give insight into how a short term exposure to higher water temperatures affect photosynthesis in two of the most important species of the Norwegian kelp forest; Laminaria digitata and Saccharina ... -
Lipid Composition in Antarctic krill, Euphausia superba
(Master thesis, 2011)Small variations in the lipid composition was found in Antarctic krill ranging from 3.0-5.5 cm. No differences were founf in lipid composition between malea and female Antarctic krill. There were some differences in lipid ... -
Population structure, parasitism and prey preference in Sclerocrangon boreas and S. ferox, Svalbard
(Master thesis, 2011)The aim of this study was to enhance the knowledge on ecological and life-history parameters of Sclerocrangon boreas and Sclerocrangon ferox in Svalbard waters, including sex ratio, population structure, parasitism and ... -
Spatial and temporal distribution and habitat use of sea trout Salmo trutta in a fjord system in Central Norway: - influence of morphology and life history on marine behaviour
(Master thesis, 2014)Marine migration and habitat use of sea trout Salmo trutta from the watercourse Søa and the river Snilldalselva in Sør-Trøndelag in Central Norway was studied during summer in 2012 and 2013. Fishes were tagged with acoustic ... -
The Effect of Nutrient Release from Fish Farms on the Lower Trophic Levels of the Marine Food Web in North Patagonia, Chile
(Master thesis, 2012)A mesocosm experiment was performed over 16 days during austral summer in 2010, in Northern Patagonia, Chile. Nutrients were added in 8 different concentrations along a gradient, simulating different levels of nutrients ... -
The haemoglobin polymorphism of whiting (Merlangius merlangus L.) in the northeast Atlantic
(Master thesis, 2011)The HbI* polymorphism in cod (Gadus morhua L.) has been thoroughly investigated during 50 years. It has two common alleles, and several studies have indicated that allele frequencies are influenced by environmental factors, ... -
Time-series of Phytoplankton Photosynthesis and Dynamics using PHYTO-PAM and Autonomous Underwater Vehicle
(Master thesis, 2011)This MSc thesis comprises PHYTO-PAM measurements of phytoplankton photosynthesis, measured as electron transfer rates in order to study photosynthetic dynamics. Time-series of photosynthesis from two phytoplankton bloom ...