Blar i NINA Brage på forfatter "Røskaft, Eivin"
-
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 ... -
Breeding ecology of Kori Bustard Ardeotis kori strunthiunculus in the Serengeti National Park
Mmassy, Emmanuel Clamsen; Fyumagwa, Robert D.; Bevanger, Kjetil Modolv; Røskaft, Eivin (Journal article; Peer reviewed, 2018)The breeding ecology of the Kori Bustard Ardeotis kori strunthiunculus was studied in the plains of the Serengeti National Park, Tanzania in 2014 and 2015. Random transects were used to search for male courtship displays, ... -
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;639, Research report, 2010)May, R., Hoel, P.L., Langston, R., Dahl, E.L., Bevanger, K., Reitan, O., Nygård, T., Pedersen, H.C., Røskaft, E. & Stokke, B.G. 2010. Collision risk in white-tailed eagles. Modelling collision risk using vantage point ... -
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) -
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 ... -
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 ... -
Human-wildlife interactions in western Serengeti, Tanzania. Effects of land management on migratory routes and mammal population densities
Rusch, Graciela; Stokke, Sigbjørn; Røskaft, Eivin; Mwakalebe, Grayson; Wiik, Harald; Arnemo, Jon Martin; Lyamuya, Richard (NINA Rapport;85, Research report, 2005)Rusch, G.M., Stokke, S., Røskaft, E., Mwakalebe, G., Wiik, H., Arnemo, J.M. and Lyamuya, R. 2005. Human-wildlife interactions in western Serengeti, Tanzania. Effects of land management in migratory routes and mammal ... -
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 ... -
Pre- and post-construction studies of conflicts between birds and wind turbines in coastal Norway (BirdWind). Report on findings 2007-2010
Bevanger, Kjetil Modolv; Berntsen, Finn Erik Harald; Clausen, Stig Morten; Dahl, Espen Lie; Flagstad, Øystein; Follestad, Arne; Halley, Duncan John; Hanssen, Frank Ole; Johnsen, Lars; Kvaløy, Pål; Lund-Hoel, Pernille*; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans-Christian; Reitan, Ole; Røskaft, Eivin; Steinheim, Yngve; Stokke, Bård Gunnar; Vang, Roald (NINA Rapport;620, Research report, 2010)Bevanger, K., Berntsen, F., Clausen, S., Dahl, E.L., Flagstad, Ø. Follestad, A., Halley, D., Hanssen, F., Johnsen, L., Kvaløy, P., Lund-Hoel, P., May, R., Nygård, T., Pedersen, H.C., Reitan, O., Røskaft, E., Steinheim, Y., ... -
Resource utilization by the Kori bustard in the Serengeti ecosystem
Mmassy, Emmanuel Clamsen; May, Roel; Jackson, Craig; Kleven, Oddmund; Nygård, Torgeir; Bevanger, Kjetil; Røskaft, Eivin (Peer reviewed; Journal article, 2019)This study aimed to understand the movement behaviour and utilization distributions of Kori bustards in space and time in the Serengeti ecosystem. A total of 14 individuals were tracked with the aid of GPS (Geographical ... -
Servicescape of the Greater Serengeti-Mara Ecosystem: Visualizing the linkages between land use, biodiversity and the delivery of wildlife-related ecosystem services
May, Roel; Jackson, Craig; Bevanger, Kjetil; Røskaft, Eivin (Journal article, 2019)Understanding how anthropogenic activities and management actions influence the delivery of ecosystem services is complicated by the interrelated nature of diverse factors. We present a Bayesian Belief Network to highlight ... -
The effects of vehicle congestion on the environment – an EIA in the Ngorongoro crater. The Environmental Impact Statement
Nyahongo, Julius; Lowassa, Asanterabi; Malugu, Lucas; Nkya, Hassan; Mwakalebe, Grayson; Thomassen, Jørn; Kaltenborn, Bjørn Petter; Lyamuya, Richard; Marealle, Wilfred; Keyyu, Julius; Stokke, Sigbjørn; Røskaft, Eivin (NINA Rapport;258, Research report, 2007)Nyahongo, J., Lowassa, A., Malugu, L., Nkya, H., Mwakalebe, G., Thomassen, J., Kaltenborn, B. P., Lyamuya, R., Marealle, W., Keyyu, J., Stokke, S. & Røskaft, E. 2007. The effects of vehicle congestion on the environment – ... -
Triiodothyronine (T3) levels fluctuate in response to ambient temperature rather than nutritional status in a wild tropical ungulate
Hunninck, Louis Marcel; Jackson, Craig Ryan; May, Roelof Frans; Røskaft, Eivin; Palme, R; Sheriff, M.J. (Peer reviewed; Journal article, 2020)Animals can employ a range of physiological mechanisms in response to unpredictable changes within their environment, such as changes in food availability and human disturbances. For example, impala exhibit higher faecal ...