Blar i NINA Brage på forfatter "Christensen-Dalsgaard, Signe"

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    • Later at higher latitudes: large-scale variability in seabird breeding timing and synchronicity 

      Burr, Zofia M.; Varpe, Øystein; Anker-Nilssen, Tycho; Erikstad, Kjell E; Descamps, Sébastien; Barrett, Robert T; Bech, Claus; Christensen-Dalsgaard, Signe; Lorentsen, Svein-Håkon; Moe, Børge; Reiertsen, Tone Kristin; Strøm, Hallvard (Peer reviewed; Journal article, 2016)
      In seasonal environments, organisms are expected to optimally schedule reproduction within an annual range of environmental conditions. Latitudinal gradients generate a range of seasonality to which we can expect adaptations ...

    • Massedød av lomvi i Nordsjøområdet vinteren 2021/22. Resultater fra obduksjonen av lomvi samlet inn in Viken, Agder og Rogaland 

      Christensen-Dalsgaard, Signe; Langset, Magdalene; Anker-Nilssen, Tycho (NINA Rapport;2146, Research report, 2022)
      Christensen-Dalsgaard, S., Langset, M. & Anker-Nilssen, T. 2022. Massedød av lomvi i Nord-sjøområdet vinteren 2021/22. Resultater fra obduksjonen av lomvi samlet inn in Viken, Agder og Rogaland. NINA Rapport 2146. Norsk ...

    • Multi-colony tracking of two pelagic seabirds with contrasting flight capability illustrates how windscapes shape migratory movements at an ocean-basin scale 

      Amelineau, Francoise; Tarroux, Arnaud; Lacombe, Simon; Bråthen, Vegard Sandøy; Descamps, Sebastien; Ekker, Morten; Fauchald, Per; Johansen, Malin; Moe, Børge; Anker-Nilssen, Tycho; Bogdanova, Maria I.; Bringsvor, Ingar S.; Chastel, Olivier; Christensen-Dalsgaard, Signe; Daunt, Francis; Dehnhard, Nina; Erikstad, Kjell E.; Ezhov, Aleksey; Gavrilo, Maria; Hansen, Erpur S.; Harris, Mike P.; Helgason, Halfdan Helgi; Langset, Magdalene; Léandri-Breton, Don-Jean; Lorentsen, Svein-Håkon; Merkel, Benjamin; Newell, Mark; Olsen, Bergur; Reiertsen, Tone Kristin; Systad, Geir Helge Rødli; Thorarinsson, Thorkell L.; Åström, Jens; Strøm, Hallvard (Peer reviewed; Journal article, 2023)
      Migration is a common trait among many animals allowing the exploitation of spatiotemporally variable resources. It often implies high energetic costs to cover large distances, for example between breeding and wintering ...

    • Multi-colony tracking reveals spatio-temporal variation in carry-over effects between breeding success and winter movements in a pelagic seabird 

      Bogdanova, Maria I.; Butler, Adam; Wanless, Sarah; Moe, Børge; Anker-Nilssen, Tycho; Frederiksen, Morten; Boulinier, Thierry; Chivers, Lorraine S.; Christensen-Dalsgaard, Signe; Descamps, Sébastien; Harris, Michael P.; Newell, Mark; Olsen, Bergur; Phillips, Richard A.; Shaw, Deryk; Steen, Harald; Strøm, Hallvard; Thórarinsson, Thorkell L; Daunt, Francis (Journal article; Peer reviewed, 2017)
      Carry-over effects, whereby events in one season have consequences in subsequent seasons, have important demographic implications. Although most studies examine carry-over effects across 2 seasons in single populations, ...

    • North Atlantic winter cyclones starve seabirds 

      Clairbaux, Manon; Mathewson, Paul; Porter, Warren; Fort, Jérôme; Strøm, Hallvard; Moe, Børge; Fauchald, Per; Descamps, Sebastien; Helgason, Halfdan Helgi; Bråthen, Vegard Sandøy; Merkel, Benjamin; Anker-Nilssen, Tycho; Bringsvor, Ingar Støyle; Chastel, Olivier; Christensen-Dalsgaard, Signe; Danielsen, Jóhannis; Daunt, Francis; Dehnhard, Nina; Erikstad, Kjell E.; Ezhov, Alexey V.; Gavrilo, Maria; Krasnov, Yuri V.; Langset, Magdalene; Lorentsen, Svein-Håkon; Newell, Mark; Olsen, Bergur; Reiertsen, Tone Kristin; Systad, Geir Helge Rødli; Thórarinsson, Thorkell L; Baran, Mark; Diamond, Tony; Fayet, Annette L.; Fitzsimmons, Michelle G.; Frederiksen, Morten; Gilchrist, Hugh G.; Guilford, Tim; Huffeldt, Nicholas P.; Jessopp, Mark; Johansen, Kasper L.; Kouwenberg, Amy-Lee; Linnebjerg, Jannie F.; Major, Heather L.; Tranquilla, Laura McFarlane; Mallory, Mark; Merkel, Flemming R.; Montevecchi, William A.; Mosbech, Anders; Petersen, Aevar; Grémillet, David (Peer reviewed; Journal article, 2021)
      Each winter, the North Atlantic Ocean is the stage for numerous cyclones, the most severe ones leading to seabird mass-mortality events called ‘‘winter wrecks.’’ During these, thousands of emaciated seabird carcasses are ...

    • Norwegian marine ecosystems – are northern ones more vulnerable to pollution from oil than southern ones? 

      Forsgren, Elisabet; Christensen-Dalsgaard, Signe; Fauchald, Per; Järnegren, Johanna; Næsje, Tor (NINA Rapport;514, Research report, 2009)
      Forsgren, E., Christensen-Dalsgaard, S., Fauchald, P, Järnegren, J. & Næsje, T. F. 2009. Norwegian marine ecosystems – are northern ones more vulnerable to pollution from oil than southern ones? – NINA Report 514. 32 ...

    • Offshore oil rigs – a breeding refuge for Norwegian Black-legged Kittiwakes Rissa tridactyla? 

      Christensen-Dalsgaard, Signe; Langset, Magdalene; Anker-Nilssen, Tycho (Peer reviewed; Journal article, 2020)
      In recent decades, the population of Black-legged Kittiwake Rissa tridactyla has declined substantially in most parts of the North Atlantic. Concurrently, there has been an increased urbanisation of the species, with ...

    • Offshore vindenergianlegg - sjøfugl, havørn, hubro og vadere. En screening av potensielle konfliktområde 

      Christensen-Dalsgaard, Signe; Lorentsen, Svein-Håkon; Dahl, Espen Lie; Follestad, Arne; Hanssen, Frank Ole; Systad, Geir Helge (NINA Rapport;557, Research report, 2010)
      Christensen-Dalsgaard, S., Lorentsen, S.-H., Dahl, E. L., Follestad, A., Hanssen, F. & Systad, G. H. 2010. Offshore vindenergianlegg - sjøfugl, havørn, hubro og vadere. En screening av potensielle konfliktområder - NINA ...

    • Offshore vindenergianlegg og sjøfugl. Oppdatert screening av potensielle konfliktområder på nasjonal skala 

      Christensen-Dalsgaard, Signe; Lorentsen, Svein-Håkon; Hanssen, Frank Ole; Systad, Geir Helge (NINA rapport;616, Research report, 2011)
      Christensen-Dalsgaard, S., Lorentsen, S.-H., Hanssen, F. & Systad, G. H. 2011. Offshore vindenergianlegg og sjøfugl. Oppdatert screening av potensielle konfliktområder på nasjonal skala. - NINA Rapport 616. 78 s. I 2010 ...

    • Predicting Foraging Habitat of European Shags - A Multi-Year and Multi-Colony Tracking Approach to Identify Important Areas for Marine Conservation 

      Dehnhard, Nina; Mattisson, Jenny; Tarroux, Arnaud; Anker-Nilssen, Tycho; Lorentsen, Svein-Håkon; Christensen-Dalsgaard, Signe (Peer reviewed; Journal article, 2022)
      Human activity in the coastal zone is increasing worldwide, putting a number of seabird species under pressure. Norway is no exception to this development, and with > 35% of the NE Atlantic population of the currently ...

    • Prevailing weather conditions and dietcomposition affect chick growth and survival in the black-legged kittiwake 

      Christensen-Dalsgaard, Signe; May, Roelof Frans; Barrett, Robert; Langset, Magdalene; Sandercock, Brett; Lorentsen, Svein Håkon (Journal article; Peer reviewed, 2018)
      To identify priorities for management of seabirds during the breeding season, it is important to understand the ecological mechanisms driving chick growth and survival. In this study, we examined the effects of diet and ...

    • Reproductive success in the European shag is linked to annual variation in diet and foraging trip metrics 

      Lorentsen, Svein-Håkon; Mattisson, Jenny; Christensen-Dalsgaard, Signe (Journal article, 2019)
      Seabird populations have declined worldwide, and several of the potential threats are of anthropogenic origin. To understand how changes in seabird populations relate to environmental conditions it is important to know the ...

    • Seabird beachcast events associated with bycatch in the Norwegian purse seine fishery 

      Christensen-Dalsgaard, Signe; Ytrehus, Bjørnar; Langset, Magdalene; Wiig, Jørgen Ree; Bærum, Kim Magnus (Peer reviewed; Journal article, 2022)
      Beachcast events, where a large number of seabird carcasses drift ashore, occur with irregular intervals. These events are due to specific situations where mass mortality of seabirds have occurred. Disentangling the cause ...

    • Seabirds as indicators of distribution, trends and population level effects of plastics in the Arctic marine environment. Workshop Report 

      Dehnhard, Nina; Herzke, Dorte; Gabrielsen, Geir Wing; Anker-Nilssen, Tycho; Ask, Amalie; Christensen-Dalsgaard, Signe; Descamps, Sebastien; Hallanger, Ingeborg; Hanssen, Sveinn Are; Langset, Magdalene; Monclús, Laura; O'Hanlon, Nina; Reiertsen, Tone Kristin; Strøm, Hallvard (NINA Rapport;1719, Research report, 2019)
      Nina Dehnhard, Dorte Herzke, Geir Wing Gabrielsen, Tycho Anker-Nilssen, Amalie Ask, Signe Christensen-Dalsgaard, Sebastien Descamps, Ingeborg Hallanger, Sveinn Are Hanssen, Magdalene Langset, Laura Monclús, Nina O’Hanlon, ...

    • SEAPOP studies in the Barents and Norwegian Seas in 2007 

      Anker-Nilssen, Tycho; Barrett, Robert T; Bustnes, J.O.; Christensen-Dalsgaard, Signe; Erikstad, K.E.; Fauchald, Per; Lorentsen, Svein-Håkon; Steen, Harald; Strøm, H.; Systad, Geir Helge; Tveraa, Torkild (NINA Rapport;363, Research report, 2008)
      Anker-Nilssen, T. (ed.), Barrett, R.T., Bustnes, J.O., Christensen-Dalsgaard, S., Erikstad, K.E., Fauchald, P., Lorentsen, S.-H., Steen, H., Strøm, H., Systad, G.H. & Tveraa, T. 2008. SEAPOP studies in the Barents and ...

    • Sharing the neighbourhood: assessing the impact of kelp harvest on foraging behaviour of the European shag 

      Christensen-Dalsgaard, Signe; Mattisson, Jenny; Norderhaug, Kjell Magnus; Lorentsen, Svein Håkon (Peer reviewed; Journal article, 2020)
      Coastal kelp forest ecosystems create dynamic and productive habitats, supporting a wide range of epiphytic flora, invertebrates, fish and seabirds. Worldwide, kelp is harvested commercially, affecting kelp-associated ...

    • Taking a trip to the shelf: Behavioral decisions are mediated by the proximity to foraging habitats in the black-legged kittiwake 

      Christensen-Dalsgaard, Signe; May, Roelof Frans; Lorentsen, Svein Håkon (Journal article; Peer reviewed, 2017)
      For marine top predators like seabirds, the oceans represent a multitude of habitats regarding oceanographic conditions and food availability. Worldwide, these marine habitats are being altered by changes in climate and ...

    • The status and trends of seabirds breeding in Norway and Svalbard 

      Fauchald, Per; Anker-Nilssen, Tycho; Barrett, Robert; Bustnes, Jan Ove; Bårdsen, Bård-Jørgen; Christensen-Dalsgaard, Signe; Descamps, Sebastien; Engen, Sigrid; Erikstad, Kjell E; Hanssen, Sveinn Are; Lorentsen, Svein-Håkon; Moe, Børge; Reiertsen, Tone; Strøm, Hallvard; Systad, Geir Helge (NINA Rapport;1151, Research report, 2015)
      Fauchald P, Anker-Nilssen T, Barrett RT, Bustnes JO, Bårdsen B-J, Christensen-Dalsgaard S, Descamps S, Engen S, Erikstad KE, Hanssen SA, Lorentsen S-H, Moe B, Reiertsen TK, Strøm H, Systad GH (2015) The status and trends ...

    • Thiamine deficiency and seabirds in Norway. A pilot study 

      Moe, Børge; Hanssen, Sveinn Are; Ytrehus, Bjørnar; Balk, Lennart; Chastel, Olivier; Christensen-Dalsgaard, Signe; Gustavsson, Hanna; Langset, Magdalene (NINA Rapport;1720, Research report, 2020)
      Moe, B., Hanssen, S. A., Ytrehus, B., Balk, L., Chastel, O., Christensen-Dalsgaard, S., Gustavsson, H. & Langset, M. 2020.Thiamine deficiency and seabirds in Norway. A pilot study. NINA Report 1720. Norwegian Institute for ...

    • Tverrsektoriell vurdering av konsekvenser for sjøfugl. Grunnlagsrapport til en helhetlig forvaltningsplan for Nordsjøen og Skagerrak 

      Gasbjerg, Gry; Christensen-Dalsgaard, Signe; Lorentsen, Svein Håkon; Systad, Geir Helge Rødli; Anker-Nilssen, Tycho (NINA Rapport;733, Research report, 2011)
      Gasbjerg, G., Christensen-Dalsgaard, S., Lorentsen, S-H., Systad, G.H. & Anker-Nilssen, T. 2011. Tverrsektoriell vurdering av konsekvenser for sjøfugl. Grunnlagsrapport til en helhetlig forvaltningsplan for Nordsjøen og ...