Browsing Department of Biological Sciences by Title
Now showing items 332-351 of 2231
-
Collective behaviour of herring during spawning
(Doctoral thesis, 2007-02-02)The thesis focuses on the collective behaviour of Norwegian spring spawning herring (NSS-herring; Clupea harengus L.) in the specific ecological context of reproduction. The major part of the work is based on field research ... -
A combination of genetic and phenotypic characterization of spring- and autumn-spawning herring suggests gene flow between populations
(Journal article; Peer reviewed, 2020)Atlantic herring (Clupea harengus) has complex population structure and dynamics including diverse life histories and spawning times with spring and autumn spawning as the most common modes. Originally, spawning herring ... -
Combined effects of a simulated marine heatwave and an algal toxin on a tropical marine aquaculture fish cobia (Rachycentron canadum)
(Journal article; Peer reviewed, 2020)Ongoing global warming is one of the major challenges for the development of aquaculture in the tropical regions where species are already cultured in the water temperature close to their upper physiological thresholds. ... -
Combining biochemical methods to trace organic effluent from fish farms
(Peer reviewed; Journal article, 2017)The substitution of fish oils and fish meal with terrestrial components in the diets of farmed fin-fish offers a unique opportunity to trace organic effluents from fin-fish aquaculture into the marine environment. In this ... -
The comeback of Atlantic bluefin tuna (Thunnus thynnus) to Norwegian waters
(Journal article; Peer reviewed, 2020)We document that Atlantic bluefin tuna (BFT) began making a comeback from 2012 onwards into Norwegian waters, after several decades of absence, in parallel with an overall increased abundance recorded for eastern BFT. This ... -
Common trends in recruitment dynamics of north-east Atlantic fish stocks and their links to environment, ecology and management
(Peer reviewed; Journal article, 2019-03-13)Recruitment dynamics are challenging to assess or predict because of the many underlying drivers that vary in their relevance over time and space. Stock size, demographic and trait composition, condition and distribution ... -
A common-garden experiment to quantify evolutionary processes in copepods: the case of emamectin benzoate resistance in the parasitic sea louse Lepeophtheirus salmonis
(Peer reviewed; Journal article, 2014-05-19)Background: The development of pesticide resistance represents a global challenge to food production. Specifically for the Atlantic salmon aquaculture industry, parasitic sea lice and their developing resistance to delousing ... -
Community Composition and Habitat Characterization of a Rock Sponge Aggregation (Porifera, Corallistidae) in the Cantabrian Sea
(Journal article; Peer reviewed, 2020)Deep-sea sponge-dominated communities are complex habitats considered hotspots of biodiversity and ecosystem functioning. They are classified as Vulnerable Marine Ecosystem and are listed as threatened or declining as a ... -
Comparative analysis of acoel embryonic development
(Doctoral thesis, 2020-10-02)Acoels are bilaterally symmetric aquatic worms, that lack a through gut and have a single body opening to their digestive syncytium. Although they were initially placed within spiralians, because of their morphological ... -
Comparative biology and population mixing among local, coastal and offshore Atlantic herring (Clupea harengus) in the North Sea, Skagerrak, Kattegat and western Baltic
(Peer reviewed; Journal article, 2017-10-30)The population structure of Atlantic herring (Clupea harengus) from 13 local, coastal and offshore areas of the North Sea, Skagerrak, Kattegat and western Baltic (northeast Atlantic) was studied using biological and ... -
Comparative development of spiralian larvae
(Doctoral thesis, 2016-03-04)Bryozoans and brachiopods are sessile, mostly marine animals, that use an elegant crown of tentacles for filter-feeding. They are related to molluscs, segmented worms and other animals in a outstandingly diverse group of ... -
Comparative feeding ecology of roundnose grenadier (Coryphaenoides rupestris) in Norwegian fjords
(Master thesis, 2017-06-16)In the ocean, energy is transferred from the productive primary producers at the surface, down to the demersal fish fauna at the sea floor. When moving away from the surface layer, there is a decline in food availability, ... -
Comparative neuroanatomy suggests repeated reduction of neuroarchitectural complexity in Annelida
(Peer reviewed; Journal article, 2010-05-04)Background Paired mushroom bodies, an unpaired central complex, and bilaterally arranged clusters of olfactory glomeruli are among the most distinctive components of arthropod neuroarchitecture. Mushroom body neuropils, ... -
Comparative population genetics of swimming crab host (Portunus pelagicus) and common symbiotic barnacle (Octolasmis angulata) in Vietnam
(Journal article; Peer reviewed, 2021)Background By comparing spatial geographical structures of host populations with that of their symbionts light can be shed on their biological interactions, and the degree of congruence between host and symbiont ... -
A comparative study on quality, shelf life and sensory attributes of Atlantic salmon slaughtered on board slaughter vessels against traditional land-based facilities
(Journal article; Peer reviewed, 2021)The purpose of this study was to investigate the shelf life and quality of Atlantic salmon (Salmo salar) slaughtered onboard vessels and shipped to Denmark in −0.8 °C refrigerated seawater (RSW) as compared to traditional ... -
Comparing Body Density of Lumpfish (Cyclopterus lumpus) to Different Operational Welfare Indicators
(Journal article; Peer reviewed, 2022)Farmed lumpfish (Cyclopterus lumpus) are commonly used as cleaner fish in the salmonid aquaculture industry, but a knowledge gap exists with regards to their body density. Filling this knowledge gap is of importance, as ... -
Comparing EPA production and fatty acid profiles of three Phaeodactylum tricornutum strains under western Norwegian climate conditions
(Peer reviewed; Journal article, 2018-03)Microalgae could provide a sustainable alternative to fish oil as a source for the omega-3 polyunsaturated fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA). However, growing microalgae on a large-scale ... -
Comparing species-temperature relationships of arctic-alpine plants among three altitudinal transects in Svalbard
(Master thesis, 2008)Broad scale data has normally been used to predict vascular plant species responses to global climate change. The aim of this study is to investigate to what extent a high sampling resolution reveals local variations among ... -
Comparing the intrinsic dynamics of multiple protein structures using elastic network models
(Peer reviewed; Journal article, 2015-05)Background: Elastic network models (ENMs) are based on the simple idea that a protein can be described as a set of particles connected by springs, which can then be used to describe its intrinsic flexibility using, for ... -
Comparing the transcriptomes of embryos from domesticated and wild Atlantic salmon (Salmo salar L.) stocks and examining factors that influence heritability of gene expression
(Peer reviewed; Journal article, 2016-03-17)Background: Due to selective breeding, domesticated and wild Atlantic salmon are genetically diverged, which raises concerns about farmed escapees having the potential to alter the genetic composition of wild populations ...