Blar i NTNU Open på forfatter "May, Roelof Frans"
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Anthropogenic and Environmental factors driving the Human-Elephant Conflict in Myanmar
Thant, Zaw Min (Doctoral theses at NTNU;2022:226, Doctoral thesis, 2022)Anthropogenic activities are responsible for accelerating the depletion and deterioration of natural habitats for elephants. Habitat loss and fragmentation cause intense Human-Elephant Conflict (HEC) in multiple-use ... -
Anthropogenic Impacts on the Social Structure and Behaviour of Impala (Aepyceros melampus) Populations in Areas of Different Land Use - A case study from the Serengeti Ecosystem, Tanzania
Setsaas, Tuva (Master thesis, 2017)The impact of anthropogenic disturbance on wildlife populations in protected areas as vital for management regulations and conservation efforts. Knowledge of how different human activities might impact social structure and ... -
Behavioural and demographic changes in impala populations after 15 years of improved conservation management
Flølo, Linn Marie; Hunninck, Louis Marcel; May, Roelof Frans; Jackson, Craig Ryan; Setsaas, Trine Hay; Holmern, Tomas; Røskaft, Eivin (Peer reviewed; Journal article, 2021)Many protected areas (PAs) have been created globally in response to the dramatic human- induced decline in biodiversity. However, not all PAs successfully preserve their biodiversity and continued monitoring is vital to ... -
Being stressed outside the park — conservation of African elephants (Loxodonta africana) in Namibia
Hunninck, Louis; Ringstad, Iris; Jackson, Craig Ryan; May, Roelof Frans; Fossøy, Frode; Uiseb, Kenneth; Killian, Werner; Røskaft, Eivin (Journal article; Peer reviewed, 2017)The conservation of the African savanna elephant (Loxodonta africana) is of prime importance for many African countries. Interactions between elephants and humans are known to induce stress and thereby have the potential ... -
Between the lines: Life cycle impact assessment models of collision and electrocution impacts of power lines on bird diversity in Norway
Gilad, Dafna; May, Roelof Frans; Stokke, Bård Gunnar; Verones, Francesca (Journal article; Peer reviewed, 2024)The expansion of the electric grid is inevitable. Renewable energy is on the rise, and new transmission lines must be built to link new electricity production facilities with the local network. In addition, higher electricity ... -
Collision risk in white-tailed eagles. Modelling collision risk using vantage point observations in Smøla wind-power plant
May, Roelof Frans; Lund, Pernille Andersen; Langston, Rowena; Dahl, Espen Lie; Bevanger, Kjetil Modolv; Reitan, Ole; Nygård, Torgeir; Pedersen, Hans-Christian; Stokke, Bård Gunnar; Røskaft, Eivin (NINA rapport, Research report, 2010)Large soaring birds of prey, such as the white-tailed eagle, are recognized to be perhaps the most vulnerable bird group regarding risk of collisions with turbines in wind-power plants. Their mortalities have called for ... -
Consequences of climate-induced vegetation changes exceed those of human disturbance for wild impala in the Serengeti ecosystem
Hunninck, Louis; May, Roelof Frans; Jackson, Craig Ryan; Palme, Rupert; Røskaft, Eivin; Sheriff, Michael (Journal article; Peer reviewed, 2020)In East Africa, climate change is predicted to reduce vegetation quality, and pervasive human disturbance has already resulted in significant declines in biodiversity. We studied the combined effects of reduced forage ... -
Considering habitat conversion and fragmentation in characterisation factors for land-use impacts on vertebrate species richness
Kuipers, Koen J.J.; May, Roelof Frans; Verones, Francesca (Peer reviewed; Journal article, 2021)Human land use is one of the primary threats to terrestrial species richness and is considered a priority for meeting global sustainability and biodiversity targets. Decision-support tools, such as life cycle assessment ... -
A dead giveaway: Foraging vultures and other avian scavengers respond to auditory cues
Jackson, Craig Ryan; Maddox, Thomas M; Mbise, Franco Peniel; Stokke, Bård Gunnar; belant, Jerrold L.; Bevanger, Kjetil Modolv; Durant, Sarah M.; Fyumagwa, R.D.; Ranke, Peter Sjolte; Røskaft, Eivin; May, Roelof Frans; Fossøy, Frode (Peer reviewed; Journal article, 2020)Carrion represents an unpredictable and widely distributed primary food source for vultures and other avian scavengers. Avian scavengers in African savanna ecosystems are reported to rely exclusively on visual stimuli to ... -
Differential barrier and corridor effects of power lines,roads and rivers on moose (Alces alces) movements
Bartzke, Gundula; May, Roelof Frans; Solberg, Erling Johan; Rolandsen, Christer Moe; Røskaft, Eivin (Journal article; Peer reviewed, 2015)uilding new power lines is required to satisfy increasing demands for the transmission of electricity, and at the same time the road network is expanding. To provide guidelines for the routing of new power lines and ... -
Diurnal and nocturnal movements of Kori Bustards in the Serengeti ecosystem
Mmassy, Emmanuel Clamsen; Ranke, Peter S.; Lesio, Nicephor; Jackson, Craig Ryan; May, Roelof Frans; Røskaft, Eivin (Peer reviewed; Journal article, 2022)Although Kori Bustards (Ardeotis kori) are reported as diurnal, the species’ activity patterns have not been assessed to date. We report on the movement during different parts of the day of eight GPS-tagged individuals in ... -
Drivers of seabird spatial ecology - implications for development of offshore windpower in Norway
Christensen-Dalsgaard, Signe (Doctoral theses at NTNU;2018:65, Doctoral thesis, 2018) -
Effect of human–elephant conflict on local attitudes toward the conservation of wild Asian elephants in Myanmar
Thant, Zaw Min; May, Roelof Frans; Røskaft, Eivin (Peer reviewed; Journal article, 2022)The study of attitudes toward wild elephants and human–elephant conflict (HEC) is vital to understanding what attitudes are held by local people and how to incorporate them into wild elephant conservation. This study ... -
Evaluating the use of local ecological knowledge (LEK) in determining habitat preference and occurrence of multiple large carnivores
Madsen, Emily K.; Elliot, Nicholas B.; Mjingo, Ernest E.; Masenga, Emmanuel H.; Jackson, Craig Ryan; May, Roelof Frans; Røskaft, Eivin; Broekhuis, Femke (Peer reviewed; Journal article, 2020)Understanding habitat preferences and distribution of threatened species is a cornerstone of conservation, however many of the techniques available can be resource intensive. One cost-effective method is by collecting ... -
Factors influencing the habitat suitability of wild Asian elephants and their implications for human–elephant conflict in Myanmar
Thant, Zaw Min; Leimgruber, Peter; Williams, Amirtharaj Christy; Røskaft, Eivin; May, Roelof Frans (Peer reviewed; Journal article, 2023)Anthropogenic disturbances are key factors affecting the distribution and ranging behaviour of wild elephants. Such disturbances exaggerate threats to the survival and population decline of wild elephants, and they have ... -
Global life-cycle impacts of onshore wind-power plants on bird richness
May, Roelof Frans; Middel, Heleen; Stokke, Bård Gunnar; Jackson, Craig Ryan; Verones, Francesca (Peer reviewed; Journal article, 2020)Wind energy development continues to expand rapidly to meet international climate targets. However, these developments impact biodiversity and associated sustainability targets negatively. Environmental impact assessments ... -
Habitat fragmentation amplifies threats from habitat loss to mammal diversity across the world’s terrestrial ecoregions
Kuipers, Koen Jacobus Josefus; Hilbers, Jelle P; Garcia-Ulloa, John Alejandro; Graae, Bente Jessen; May, Roelof Frans; Verones, Francesca; Huijbregts, MAJ; Schipper, Aafke M. (Peer reviewed; Journal article, 2021)Global biodiversity is increasingly threatened by anthropogenic environmental change. While there is mounting evidence that habitat loss is a key threat to biodiversity, global assessments typically ignore additional threats ... -
Human–elephant coexistence challenges in Myanmar: An analysis of fatal elephant attacks on humans and elephant mortality
Thant, Zaw Min; May, Roelof Frans; Røskaft, Eivin (Peer reviewed; Journal article, 2022)Understanding the underlying causes behind human–elephant conflict (HEC)-driven mortality of humans and elephants will help improve both parties’ wellbeing. The objective of this study was to examine the temporal and spatial ... -
Impacts of onshore wind energy production on birds and bats: recommendations for future life cycle impact assessment developments
Laranjeiro, Tiago Filipe Vicente Costa; May, Roelof Frans; Verones, Francesca (Journal article; Peer reviewed, 2018)Models for quantifying impacts on biodiversity from renewable energy technologies are lacking within life cycle impact assessment (LCIA). We aim to provide an overview of the effects of wind energy on birds and bats, with ... -
Impala (Aepyceros melampus) responses to anthropogenic activities - An accelerometry approach in the Serengeti ecosystem
Carrillo de Albornoz Bellsolá, Juan (Master thesis, 2019)Menneskelig påvirkning av verneområder og nærliggende områder øker trykket på økosystemtjenestene som dyrelivet er avhengig av. I Serengeti er impala under konstant press fra mennesker på forskjellige måter avhengig av ...