Blar i Brage NMBU på dokumenttype "Doctoral thesis"
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Aquaculture in Bangladesh : essays on production variability, consumer preferences and market integration
(PhD Thesis;2018:15, Doctoral thesis, 2018)The main objective of this thesis is to increase knowledge about production, consumer and market issues related to aquaculture in Bangladesh. This is done by investigating (1) production risk and technical efficiency, (2) ... -
Assembling drinking water quality and inequality : the case of Kaolack, Senegal
(PhD Thesis;2021:87, Doctoral thesis, 2021)Declining drinking water quality poses urgent and ubiquitous problems for human health and well being. Millions of people are regularly exposed to potentially harmful substances via their drinking water, in ways that are ... -
Assessing personality traits in dogs : conceptual and methodological issues
(PhD Thesis;2017:72, Doctoral thesis, 2017)Animal personality is defined by consistent between-individual differences in behaviour through time or across contexts. Behaviour is further organised into broader behavioural dimensions referred to as personality traits ... -
Assessment of machine learning methods for automatic tumor segmentation
(PhD Thesis;2023:12, Doctoral thesis, 2023)The definition of target volumes and organs at risk (OARs) is a critical part of radiotherapy planning. In routine practice, this is typically done manually by clinical experts who contour the structures in medical images ... -
Assessments of the future role of bioenergy in the Nordic energy and forest sectors
(PhD Thesis;2020:64, Doctoral thesis, 2020)This thesis presents studies that describe different consequences of increased use of forest resources for energy purposes. Forest biomass is widely used in many different applications; in recent years, biofuel has been ... -
An Atlantic cod (Gadus morhua L.) pituitary model system for reproductive and reprotoxic testing in vitro
(PhD Thesis;2021:14, Doctoral thesis, 2021)Due to factors such as overfishing, climate changes and pollution, most fish stocks are in decline. This is also the case for the commercially important marine species, Atlantic cod (Gadus morhua). As a result, the last ... -
Attaining secure rural livelihood : the role of household strategies and public interventions
(PhD Thesis;2014:93, Doctoral thesis, 2014)This dissertation uses survey data from Northern Ethiopia and Western Uganda to study the role of household strategies and public interventions in enabling households to attain secure rural livelihoods. The thesis composes ... -
Back to basics : simplifying microbial communities to decrypt complex interactions
(PhD Thesis;2020:33, Doctoral thesis, 2020)Microbes are everywhere and contribute to many essential processes relevant for planet Earth, ranging from biogeochemical cycles to complex human behavior. The means to achieve these colossal tasks for such small and, at ... -
Bacterial impact on growth, health and disease of farmed Atlantic salmon and lumpfish
(PhD Thesis;Thesis number 2021:4, Doctoral thesis, 2021)Despite considerable efforts to improve production with regard to animal welfare, disease control and sustainability in Norwegian aquaculture, both losses and feed conversion rate have not declined during the last 10 years. ... -
Bacteriocins : from discovery to characterization and applications
(PhD thesis;2023:74, Doctoral thesis, 2023)Multidrug resistant bacteria have become a major concern in both human and veterinary medicine. Due to the waning efficacy of many antibiotics, new antimicrobial agents are needed. Bacteriocins are ribosomally ... -
Better understanding of the relation of the dynamic sensory perception of solid and semi solid foods with consumers’ preferences and their perception of satiety
(PhD Thesis;2019:5, Doctoral thesis, 2019)Nowadays, overweight and obesity has been recognized as one of the main reasons that leads to many non-communicable diseases such as diabetes, high blood pressure, cardiovascular disease and in some cases cancer. Therefore, ... -
Bio-economic aspects of moose : forage interactions - gains and compromises of interdisciplinary research
(PhD Thesis;2010:27, Doctoral thesis, 2010)Interdisciplinary research is a prerequisite for applied progress in natural resource management. Still, most relevant studies are done by economists alone, and not in collaboration with ecologists. I discuss the ideological ... -
Biochar for N2O mitigation and improved delivery and retention of mineral nitrogen in compost and soil
(PhD Thesis;2022:15, Doctoral thesis, 2022)Biochar is a promising technology for simultaneously storing carbon in soils, improving crop yields and reducing greenhouse gases. In the last 20 years, research efforts into biochar and its application to soils have been ... -
Biochemical investigation of catalysis by lytic polysaccharide monooxygenases
(PhD Thesis;2016:69, Doctoral thesis, 2018-05-04)Lytic polysaccharide monooxygenases (LPMOs) are copper-dependent enzymes that catalyze the oxidative cleavage of glycosidic bonds in the presence of dioxygen and an external electron donor. Currently, these enzymes are ... -
Biodiesel production from Jatropha curcas L. seeds from different agro-climatic zones of Ethiopia: seed processing, oil extraction and optimization of biodiesel production using heterogenous catalysts
(PhD Thesis;2020:66, Doctoral thesis, 2020)Energy is basic for development and its demand increases due to population growth, urbanization, and the improvement of living standards in most parts of the world. Nowadays, the energy sector faces dual challenges, the ... -
Bioenergy for sustainable development in developing countries
(PhD Thesis;2022:42, Doctoral thesis, 2022)The main objectives of this thesis are to evaluate the policies to promote bioenergy in developing countries and to assess the related impacts within the realms of sustainable development. The growing interest in bioenergy ... -
Biofuel production potential of Jatropha curcas L: oil characterization for biodiesel production, and enhancing the biogas production potential of various residues using different pretreatment methods
(PhD Thesis;2021:21, Doctoral thesis, 2021)Increasing global fuel prices, growing energy consumption, and profound environmental concerns are the key factors that motivated the search for alternative energy sources. Biofuels such as bioethanol, biodiesel, and biogas ... -
Biogas digestate as substrate and vector for the introduction of N2O-respiring bacteria to agricultural soil
(Phd Thesis;2021:53, Doctoral thesis, 2021)Anthropogenic nitrous oxide (N2O) emissions are largely driven by the input of N-based fertilizers in agriculture. N2O emissions from agricultural soils in Europe are estimated to 0.51 Tg annually (Fig. I), which sums to ... -
Biomass estimation models and methods for miombo woodlands of Malawi using field and remotely sensed data
(PhD Thesis;2016:92, Doctoral thesis, 2016)Dry tropical forests, such as the miombo woodlands, play an important role in the global carbon budget as well as in contributing towards the sustainable development of countries such as Malawi. To ensure sustainability ... -
Bovine coronavirus in calves : experimental studies on virus shedding, transmission and whole genome sequencing
(PhD Thesis;2018:32, Doctoral thesis, 2018)Bovine coronavirus (BCoV) is a significant cause of respiratory disease and diarrhea in calves and of winter dysentery in adult cattle. These endemic diseases result in substantial economic losses and reduced animal ...