Blar i Institutt for biologi på utgivelsesdato
Viser treff 41-60 av 2515
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Wildlife conservation and local land use conflicts in Western Serengeti, Tanzania
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:221, Doctoral thesis, 2006)The pre-colonial traditional societies in Western Serengeti were physically and spiritually connected to animal species and plants in their surrounding environments. This link contributed to sustainable use and harmonious ... -
Life history consequences of environmental variation along ecological gradients in northern ungulates
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:15, Doctoral thesis, 2006)Temporal and spatial variation in the environment can influence the performance of individuals in wild ungulate populations. Of particular importance is an understanding of the mechanisms that shape variation in individual ... -
Levels and effects of persistent organic pollutants (POPs) in seabirds. Retinoids and a-tocopherol - potential biomarkers of POPs in birds?
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:6, Doctoral thesis, 2006)In the present thesis, levels of polychlorinated biphenyls (PCBs), some chosen organochlorine pesticides (OCPs), polybrominated diphenyl ethers (PBDEs) and hexabromocyclododecane (HBCD) were analyzed by gas chromatography ... -
Selection and administration of probiotic bacteria to marine fish larvae
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:223, Doctoral thesis, 2006) -
Taxonomy and conservation status of hawk-eagles (Genus Nisaetus) in south-east Asia
(Doktoravhandlinger ved NTNU, 1503-8181; 2006:91, Doctoral thesis, 2006)Morphological, vocal and molecular data have been used to reevaluate the taxonomy of some Asian Nisaetus taxa. This name is used instead of Spizaetus because the latter genus is polyphyletic with clades in Asia, South ... -
Årsrapport fra NINAs elgmerkingsprosjekt i grenseområdet Akershus, Hedmark og Østfold i 2005
(NINA-rapport;132, Research report, 2006)Prosjektet ser på hvilke faktorer som påvirker bestandssvingningene i norske elgbestander. I denne regionen er prosjektet spesielt fokusert på hvordan en stedlig ulvebestand påvirker re-krutteringen til elgbestanden. Denne ... -
Ørekyt i Namsenvassdraget. Utbredelse, spredningsrisiko og tiltak
(NINA rapport;155, Research report, 2006)Undersøkelser i Namsenvassdraget i 2005 viste at ørekyt forekommer i tette bestander i innsjøer og flyer øverst i vassdraget. I Otersjøen øverst i Sanddøla har ørekyt forekommet i solide bestander siden 1960-tallet. I ... -
The effects of vehicle congestion on the environment – an EIA in the Ngorongoro crater. The Environmental Impact Statement
(NINA rapport;, Research report, 2007)The Ngorongoro Conservation Area Authority (NCAA) faces a great challenge in managing the vehicle congestion in the Ngorongoro crater. They are in need for an assessment of the present situation and realistic plans for ... -
Depredation of Livestock by Wild Carnivores and Illegal Utilization of Natural Resources by Humans in the Western Serengeti, Tanzania
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:238, Doctoral thesis, 2007)Human-wildlife interactions play an important role in shaping perceptions and conservation paradigms and the livelihoods in villages neighbouring protected areas. These interactions also determine the future survival of ... -
Effects of fire on large herbivores and their forage resources in Serengeti, Tanzania
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:239, Doctoral thesis, 2007)Fire is one of the major ecological factors that determines structure and function of grassland and savanna ecosystems through its effects on soil nutrient pools, floristic composition and primary production, and foraging ... -
NINAs elgmerkingsprosjekt i gren-seområdet Akershus, Hedmark og Østfold i 2006. Årsrapport
(NINA rapport;, Research report, 2007)Elgmerkingsprosjektet i grenseområdet Akershus, Hedmark og Østfold ble etablert som et del-prosjekt av forskningsprosjektet Optimal høsting i 2002. Hovedmålet var å studere dødelighet og rekrutteringen i en elgbestand som ... -
Metal binding proteins and antifreeze proteins in the beetle Tenebrio molitor: a study on possible competition for the semi-essential amino acid cysteine
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:17, Doctoral thesis, 2007)In their natural environment animals are confronted by both physical (eg. extreme temperatures, desiccation) and chemical stressors (e.g. pollutants). Stress may be defined as a condition that is evoked in an organism by ... -
Biologiske undersøkelser i Altaelva 1981-2006. Oppsummering av kraftreguleringens konsekvenser for laksebestanden
(NINA rapport;, Research report, 2007)Nøkkelord : kraftregulering, Altaelva, Finnmark, laks, laksefangster, ungfisktetthet, vinterdødelighet, smoltproduksjon, bunnfauna, begroing -
Toxicogenomics of Aryl Hydrocarbon- and Estrogen Receptor Interactions in Fish: Mechanisms and Profiling of Gene Expression Patterns in Chemical Mixture Exposure Scenarios
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:264, Doctoral thesis, 2007)Almost without exception, biological processes such as overt morphological changes, development (both reproductive and growth), toxicological responses and clinical manifestation to disease, have molecular basis. From our ... -
Photosynthetic responses as a function of light and temperature: Field and laboratory studies on marine microalgae
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:111, Doctoral thesis, 2007)The aim of my thesis is to elucidate the different pathways of light in the marine environment, from underwater irradiance to the absorption of photons in microalgae. The pathway is followed through light harvesting and ... -
Spatial Ecology of Wolverines in Scandinavia
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:161, Doctoral thesis, 2007) -
Bushmeat hunting in the western Serengeti: Implications for community-based conservation
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:66, Doctoral thesis, 2007)Bushmeat hunting is identified as the major threat to wildlife in sub-Saharan Africa. The trade which includes both rural and urban dwellers is linked to deforestation, and especially the development of roads, which has ... -
Functional tracing of gustatory receptor neurons in the CNS and chemosensory learning in the moth Heliothis virescens
(Doktoravhandlinger ved NTNU, 1503-8181; 2007:90, Doctoral thesis, 2007)