Browsing NINA Brage by Author "May, Roelof Frans"
Now showing items 21-40 of 59
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Fallvilt og avlivede dyr av oter, årsrapport for 2009-2010
van Dijk, Jiska Joanneke; Hamre, Øyvind; May, Roelof Frans; Meås, Roger; Holmstrøm, Frode; Solem, Mai Irene (NINA rapport;686, Research report, 2011)Van Dijk, J., Hamre, Ø., May, R., Meås, R., Holmstrøm, F. og Solem, M.I. 2011. Fallvilt og avlivede dyr av oter, årsrapport for 2009-2010. - NINA Rapport 686, 22 s. Mål.Hensikten med prosjektet som rapporteres her er å ... -
Fallvilt og avlivede dyr av oter, årsrapport for 2012 inklusive bestandstetthetsindeks
Dijk, Jiska Joanneke van; May, Roelof Frans; Hamre, Øyvind; Solem, May I. (NINA Rapport;945, Research report, 2013)Mål Hensikten med oterfallviltprosjektet er å bearbeide otermateriale som samles inn av NINA og dermed videreføre tidsserien som startet i 1987. Denne rapporten oppdaterer tidsserien med materiale som ble mottatt i 2012. ... -
Familiegrupper i den svenske gaupebestanden vinteren 2006/2007 belyst fra genetisk analyse av ekskrementer og hår
Flagstad, Øystein; May, Roelof Frans; Wärdig, Cecilia; Johansson, Malin; Ellegren, Hans (NINA Rapport;285, Research report, 2007)Flagstad, Ø., May, R., Wärdig, C., Johansson, M. & Ellegren, H. 2007. Familiegrupper i den svenske gaupebestanden vinteren 2006/2007 belyst fra genetisk analyse av ekskrementer og hår - NINA Rapport 285. 25 s. Den totale ... -
Habitat Utilization in White-Tailed Eagles (Haliaeetus albicilla) and the Displacement Impact of the Smøla Wind-Power Plant
May, Roelof Frans; Nygård, Torgeir; Dahl, Espen Lie; Bevanger, Kjetil Modolv (Peer reviewed; Journal article, 2013)On average, 7.8 white-tailed eagles (Haliaeetus albicilla) collide with wind turbines annually at the operating wind-power plant on the island of Smøla off the coast of central Norway. To better understand the impact of ... -
High-resolution modeling of uplift landscapes can inform micrositing of wind turbines for soaring raptors
Hanssen, Frank Ole; May, Roelof Frans; Nygård, Torgeir (Journal article, 2020)Collision risk of soaring birds is partly associated with updrafts to which they are attracted. To ident ify the risk-enhancinglandscape features, a micrositing tool was developed to model orographic and thermal updraft ... -
Hiovervåkning ved hjelp av DNAanalyse fra jervekskrementer vinteren 2006/2007
Flagstad, Øystein; May, Roelof Frans; Wärdig, Cecilia; Johansson, Malin; Ellegren, Hans (NINA Rapport;298, Research report, 2007)Flagstad, Ø., May, R., Wärdig, C., Johansson, M. & Ellegren, H. 2007. Hiovervåkning ved hjelp av DNA-analyse fra jervekskrementer vinteren 2006/2007- NINA Rapport 298. 26 s. Den totale jervbestanden i Skandinavia anslås ... -
How many routes lead to migration? Comparison of methods to assess and characterize migratory movements
Cagnacci, Francesca; Focardi, Stefano; Ghisla, Anne; Van Moorter, Bram; Merril, Evelyn H.; Gurarie, Eliezer; Heurich, Marco; Mysterud, Atle; Linnell, John Durrus; Panzacchi, Manuela; May, Roelof Frans; Nygård, Torgeir; Rolandsen, Christer Moe; Hebblewhite, Mark (Journal article; Peer reviewed, 2016)Summary 1. Decreasing rate of migration in several species as a consequence of climate change and anthropic pressure, together with increasing evidence of space-use strategies intermediate between residency and complete ... -
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 ... -
International assessment of priority environmental issues for land-based and offshore wind energy development
Green, Rebecca E.; Gill, Elizabeth; Hein, Cris; Couturier, Lydie; Mascarenhas, Miguel; May, Roelof Frans; Newell, David; Rumes, Bob (Peer reviewed; Journal article, 2022)Non-technical summary. A substantial increase in wind energy deployment worldwide is required to help achieve international targets for decreasing global carbon emissions andlimiting the impacts of climate change. In ... -
Joint responsibility in the development of effective wind-turbine collision-reducing solutions
May, Roelof Frans (Peer reviewed; Journal article, 2023)With the rapid acceleration of wind energy development there is a growing need to meet the consequences this has for the natural environment. Failing to mitigate environmental impacts is an important cause of conflict in ... -
Match between soaring modes of black kites and the fine-scale distribution of updrafts
Santos, Carlos D.; Hanssen, Frank Ole; Muñoz, Antonio-Román; Onrubia, Alejandro; Wikelski, Martin; May, Roelof Frans; Silva, João P. (Journal article; Peer reviewed, 2017)Understanding how soaring birds use updrafts at small spatial scales is important to identify ecological constraints of movement, and may help to prevent conflicts between wind-energy development and the conservation of ... -
Optimal design and routing of power lines; ecological technical and economic perspectives (OPTIPOL). Final Report, findings 2009 – 2014.
Bevanger, Kjetil Modolv; Bartzke, Gundula; Brøseth, Henrik; Dahl, Espen Lie; Gjershaug, Jan Ove; Hanssen, Frank Ole; Jacobsen, Karl Otto; Kleven, Oddmund; Kvaløy, Pål; May, Roelof Frans; Nygård, Torgeir; Refsnæs, Steinar; Stokke, Sigbjørn; Thomassen, Jørn; Meås, Roger (NINA Rapport;1012, Research report, 2014)Bevanger, K., Bartzke, G., Brøseth, H., Dahl, E.L., Gjershaug, J.O., Hanssen, F., Jacobsen, K.- O., Kleven, O., Kvaløy, P., May, R., Meås, R., Nygård, T., Refsnæs, S., Stokke, S. & Thomassen, J. 2014. Optimal design and ... -
Optimal design and routing of power lines; ecological, technical and economic perspectives (OPTIPOL). Progress Report 2010
Bevanger, Kjetil Modolv; Bartzke, Gundula; Brøseth, Henrik; Dahl, Espen Lie; Gjershaug, Jan Ove; Hanssen, Frank Ole; Jacobsen, Karl-Otto; Kvaløy, Pål; May, Roelof Frans; Meås, Roger; Nygård, Torgeir; Refsnæs, Steinar; Stokke, Sigbjørn; Vang, Roald (NINA rapport;619, Research report, 2010)Bevanger, K., Bartzke, G., Brøseth, H., Gjershaug, J.O., Hanssen, F., Jacobsen, K.-O., Kvaløy, P., May, R., Meås, R., Nygård, T., Refsnæs, S., Stokke, S. & Vang, R. 2010. Optimal design and routing of power lines; ... -
Optimal design and routing of power lines; ecological, technical and economic perspectives (OPTIPOL). Progress Report 2011
Bevanger, Kjetil Modolv; Bartzke, Gundula; Brøseth, Henrik; Dahl, Espen Lie; Gjershaug, Jan Ove; Hanssen, Frank Ole; Jacobsen, Karl-Otto; Kvaløy, Pål; May, Roelof Frans; Meås, Roger; Nygård, Torgeir; Refsnæs, Steinar; Stokke, Sigbjørn; Thomassen, Jørn (NINA rapport;762, Research report, 2011)Bevanger, K., Bartzke, G., Brøseth, H., Gjershaug, J.O., Hanssen, F., Jacobsen, K.-O., Kvaløy, P., May, R., Meås, R., Nygård, T., Refsnæs, S., Stokke, S. & Thomassen, J. 2011. Optimal design and routing of power lines; ... -
Optimal design and routing of power lines; ecological, technical and economic perspectives (OPTIPOL). Progress Report 2012
Bevanger, Kjetil Modolv; Bartzke, Gundula; Brøseth, Henrik; Dahl, Espen Lie; Gjershaug, Jan Ove; Hanssen, Frank Ole; Jacobsen, Karl Otto; Kleven, Oddmund; Kvaløy, Pål; May, Roelof Frans; Meås, Roger; Nygård, Torgeir; Refsnæs, Steinar; Stokke, Sigbjørn; Thomassen, Jørn (NINA Rapport;904, Research report, 2012)WP1 – “Power line ROW as habitat resources for moose (Alces alces) and other wildlife” has fo-cused on moose browsing in power-line corridors in relation to adjacent areas in Bangdalen. Browsing surveys and pellet-group ... -
"Optimal design and routing of power lines; ecological, technical and economic perspectives” (OPTIPOL). Progress Report 2009
Bevanger, Kjetil Modolv; Bartzke, Gundula; Brøseth, Henrik; Gjershaug, Jan Ove; Hanssen, Frank Ole; Jacobsen, Karl Otto; Kvaløy, Pål; May, Roelof Frans; Nygård, Torgeir; Pedersen, Hans-Christian; Reitan, Ole; Refsnæs, Steinar; Stokke, Sigbjørn; Vang, Roald (NINA Rapport;504, Research report, 2009)From 2009 inclusive, NINA has received economic support for research on power lines and wildlife from the Norwegian Research Council (NFR) through the RENERGI Programme. The project is named “Optimal design and routing of ... -
Optipol Least Cost Path dialog. Rapport fra dialogseminar om tema, deltema og kriterier i Optipol-LCP versjon 1.0
Thomassen, Jørn; Hanssen, Frank Ole; May, Roelof Frans; Bevanger, Kjetil Modolv (NINA Rapport;856, Research report, 2012)Thomassen, J., Hanssen, F., May, R. & Bevanger, K. 2012. Optipol Least Cost Path dialog. Rapport fra dialogseminar om tema, deltema og kriterier i Optipol-LCP versjon 1.0. – NINA Rapport 856. 48 s. Arbeidet med å identifisere ... -
OPTIPOL least costpath dialog 2. Rapport fra dialogseminar 2 - kriterieverdier i OPTIPOL-LCP versjon 1.0
Thomassen, Jørn; Hanssen, Frank Ole; May, Roelof Frans; Bevanger, Kjetil Modolv (NINA Rapport;907, Research report, 2013)Thomassen, J., Hanssen, F., May, R. & Bevanger, K. 2012. OPTIPOL Least Cost Path dialog 2. Rapport fra dialogseminar 2 - kriterier og kriterieverdier i OPTIPOL-LCP versjon 1.0. – NINA Rapport 907. 43 s. Norge står overfor ... -
Paint it black: Efficacy of increased wind turbine rotor blade visibility to reduce avian fatalities
May, Roelof Frans; Nygård, Torgeir; Falkdalen, Ulla; Åström, Jens; Hamre, Øyvind; Stokke, Bård Gunnar (Peer reviewed; Journal article, 2020)As wind energy deployment increases and larger wind-power plants are considered, bird fatalities through collision with moving turbine rotor blades are expected to increase. However, few (cost-) effective deterrent or ... -
Paint it black: Efficacy of increased wind turbine rotor blade visibility to reduce avian fatalities
May, Roelof Frans; Nygård, Torgeir; Falkdalen, Ulla; Åström, Jens; Hamre, Øyvind; Stokke, Bård Gunnar (Peer reviewed; Journal article, 2020)As wind energy deployment increases and larger wind-power plants are considered, bird fatalities through collision with moving turbine rotor blades are expected to increase. However, few (cost-) effective deterrent or ...