Browsing Doctoral theses (MINA) by Title
Now showing items 38-57 of 106
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Fine-spatial radiation measurements for heterogeneous boreal–alpine and sub-alpine vegetation
(PhD Thesis;2022:37, Doctoral thesis, 2022)Net radiation constitutes the most important component shaping the climate in the lower atmosphere and the land surface below. The flux determines the amount of energy available for exchange as sensible and latent heat, ... -
Flooding matters : structure, above-ground biomass, and carbon stocks of an Amazonian forestscape
(PhD Thesis;2021:50, Doctoral thesis, 2021)Amazonia accounts for approximately half of the world’s tropical forests and one quarter of all terrestrial species. The forests retain and circulate large amounts of water and store carbon. Amazonia is thus extremely ... -
Forest disturbance and tree species elevation ranges in Costa Rica
(PhD Thesis;2021:99, Doctoral thesis, 2021)The role of disturbance in influencing interspecific competition and species persistence and distributions remains surprisingly unexplored. Disturbance may increase elevation ranges, especially at the lower range limits, ... -
Forestry and forest management in an uncertain environment : adaptation to climate change in Norwegian forestry
(PhD Thesis;2019:38, Doctoral thesis, 2019)The overall objective of this thesis is therefore to study whether, how, and why (not) risk and uncertainty related to climate change may (or may not) influence the forest management strategies of forestry decision-makers ... -
Functional traits across primary producer groups and their effects on micro-arthropod communities in alpine Norway
(PhD Thesis;2019:71, Doctoral thesis, 2019)The vegetation of alpine ecosystems, i.e. those above the elevation of the tree line, consists not only of vascular plants, but also of non-vascular primary producers such as lichens and bryophytes. The use of functional ... -
Functional traits and decomposition of lichens, bryophytes and vascular plants in an alpine ecosystem
(PhD Thesis;2019:44, Doctoral thesis, 2019)Functional traits influence how an organism responds to its environment and how this can affect ecosystem processes such as decomposition. The majority of trait-based studies have focused on vascular plants, while non-vascular ... -
Fusion of airborne laser scanning and hyperspectral data for predicting forest characteristics at different spatial scales
(PhD thesis;2017:53, Doctoral thesis, 2017) -
Geophysical monitoring of redox influenced degradation near the water table
(PhD Thesis;2018:75, Doctoral thesis, 2018)Soil contamination of organic origin is a major environmental challenge. Redox reactions drive organic matter degradation in the ground. Monitoring these reactions is therefore needed to protect soil and groundwater. This ... -
Herbivory and climate effects on plant defenses: an ecological and molecular approach
(PhD Thesis;2019:28, Doctoral thesis, 2019)Knowledge of plant defense responses and how they interact with biotic (e.g., herbivores) and abiotic (e.g., temperature) factors is of fundamental importance for understanding ecosystem functioning. Increases in temperature ... -
Historical and contemporary drivers of organic soil and charcoal carbon stocks in boreal forests
(PhD Thesis;2024:71, Doctoral thesis, 2024)Boreal forests are evergreen landscapes that store vast amounts of carbon belowground in the form of soil organic carbon (SOC). These ecosystems act as carbon (C) sinks in their natural state as long as temperatures ... -
How green is the green shift? : the potential effects of a bioeconomy on ecosystem services in Nordic catchments
(PhD Thesis;2021:67, Doctoral thesis, 2021)In light of the increasing pressures from human activities on ecosystems and the global climate, the Nordic countries have decided that a green shift is necessary to ensure the future wellbeing of society. The transition ... -
How termites and large mammalian herbivores influence tree communities, seed removal and wood decomposition in an African savanna
(PhD Thesis;2018:71, Doctoral thesis, 2018)The heterogeneity and extent savannas makes them resilient, diverse and socioeconomically important. Abiotic factors determine large-scale variation on a, but biotic factors matter at small-scales. In the African savannas, ... -
Human-mediated effects on brown bear behavior and potential cascading effects
(PhD Thesis;2018:79, Doctoral thesis, 2018)Human disturbance has been found to influence wildlife in various ways, e.g., changing their distribution in the landscape or other behavioral traits as a response to the perceived predation risk. Brown bears (Ursus arctos) ... -
Impact of climate and agricultural management on hydrology and water quality : a headwater catchment scale approach
(PhD Thesis;2021:77, Doctoral thesis, 2021)Eutrophication and degradation of water quality are global problems and affect many freshwater and coastal systems. Agricultural areas are major contributors of nutrients and soil particles in streams and lakes. The ... -
Impact of low dose rate ionising radiation : studies in mice evaluating immediate and long-term molecular responses and transgenerational genomic instability
(PhD Thesis;2023:40, Doctoral thesis, 2023)Mye av det vi vet om risiko for helseeffekter etter å ha blitt usatt for ioniserende stråling er kunnskap lært fra de som overlevde atombombene i Hiroshima og Nagasaki. Imidlertid er denne kunnskapen basert på effekter ... -
Impact of speciation and uptake on toxicity of single metals and metal mixtures to the marine copepod Tisbe battagliai
(PhD thesis;2023:37, Doctoral thesis, 2023)In coastal waters a wide variety of metals are present in different physicochemical forms (low molecular mass species, colloids, aggregates, or particulate metal), usually as mixtures of different metals. High risk of ... -
Impediments to forest recovery in bracken-dominated clearings in the African Highlands
(PhD Thesis;2018:70, Doctoral thesis, 2018)Vegetation dynamics in disturbed forested landscapes remain incompletely understood. Considerable areas with stalled forest recovery occur worldwide and may reflect the effects of dense and persistent understorey plants ... -
The importance of invertebrates on fungi in dead wood
(PhD Thesis;2022:43, Doctoral thesis, 2022)Dead wood is an important energy source in boreal forests and it hosts a high biodiversity dominated by fungi and invertebrates. Wood decay fungi are the initial decomposers of dead wood and invertebrates interact with ... -
Investigating sensitivity and tolerance to chronic gamma irradiation in the nematode Caenorhabditis elegans
(PhD Thesis;2020:8, Doctoral thesis, 2020)At the cellular level, excitation and ionization of atoms and molecules constitute the fundamental processes leading to harmful effects induced by exposure to ionizing radiation. However, radiosensitivity, defined as the ... -
Isocyanic acid : methodologies for generation, sampling and measurement in workroom air
(PhD Thesis;2018:27, Doctoral thesis, 2018)Isocyanates are mainly used industrially for the production of polyurethane (PUR) products. Thermal decomposition of PUR results in the emission of isocyanates. Workers performing hot-work such as grinding, welding and use ...