Now showing items 1002-1021 of 1342

    • Raising offspring increases ageing: Differences in senescence among three populations of a long-lived seabird, the Atlantic puffin 

      Landsem, Terje Lorentzen; Yoccoz, Nigel Gilles; Layton-Matthews, Kate; Hilde, Christoffer Høyvik; Harris, Michael P; Wanless, Sarah; Daunt, Francis; Reiertsen, Tone Kristin; Erikstad, Kjell E.; Anker-Nilssen, Tycho (Peer reviewed; Journal article, 2023)
      1. Actuarial senescence, the decline of survival with age, is well documented in the wild. Rates of senescence vary widely between taxa, to some extent also between sexes, with the fastest life histories showing the highest ...
    • Rangifer management controls a climate-sensitive tundra state transition 

      Bråthen, Kari Anne; Ravolainen, Virve Tuulia; Stien, Audun; Tveraa, Torkild; Ims, Rolf Anker (Journal article; Peer reviewed, 2017)
      Rangifer (caribou/reindeer) management has been suggested to mitigate the temperature- driven transition of Arctic tundra into a shrubland state, yet how this happens is uncertain. Here we study this much focused ecosystem ...
    • Ranid Herpesvirus 3 Infection in Common Frog Rana temporaria Tadpoles 

      Origg, Francesco C.; Taugbøl, Annette (Peer reviewed; Journal article, 2023)
      Ranid herpesvirus 3 (RaHV3) is a recently discovered virus associated with skin disease in frogs. We detected RaHV3 DNA in free-ranging common frog (Rana temporaria) tadpoles, consistent with premetamorphic infection. Our ...
    • Rapid evolution of genetic and phenotypic divergence in Atlantic salmon following the colonisation of two new branches of a watercourse 

      Jensen, Arne Johan; Hansen, Lars Petter; Johnsen, Bjørn Ove; Karlsson, Sten (Journal article; Peer reviewed, 2017)
      Background: Selection acts strongly on individuals that colonise a habitat and have phenotypic traits that deviate from the local optima. Our objective was to investigate the evolutionary rates in Atlantic salmon (Salmo ...
    • Raptor Interactions with Wind Energy: Case Studies from Around the World 

      Watson, Richard T.; Kolar, Patrick S; Ferrer, Miguel; Nygård, Torgeir; Johnston, Naira; Hunt, W; Smit-Robinson, Hanneline A; Farmer, Christopher J; Huso, Manuela; Katzner, Todd E (Peer reviewed; Journal article, 2018)
      The global potential for wind power generation is vast, and the number of installations is increasing rapidly. We review case studies from around the world of the effects on raptors of wind-energy development. Collision ...
    • Rare, whitish–pale ochre Cortinarius species of sect. Calochroi from calcareous Tilia forests in South East Norway 

      Brandrud, Tor Erik; Frøslev, Tobias Guldberg; Dima, Bálint (Journal article; Peer reviewed, 2018)
      Rare, whitish–pale ochre Cortinarius species of sect. Calochroi from calcareous Tilia forests in South East Norway
    • Rebuilding green infrastructure in boreal production forest given future global wood demand 

      Moor, Helen; Eggers, Jeannette; Fabritius, Henna; Forsell, Nicklas; Henckel, Laura; Bradter, Ute; Mazziotta, Adriano; Nordén, Jenni; Snäll, Tord (Peer reviewed; Journal article, 2022)
      1. Global policy for future biodiversity conservation is ultimately implemented at landscape and local scales. In parallel, green infrastructure planning needs to account for socioeconomic dynamics at national and global ...
    • Recent forest on abandoned agricultural land in the boreonemoral zone – Biodiversity of plants and fungi in relation to historical and present tree cover 

      Nordén, Björn; Olsen, Siri Lie; Haug, Solveig; Rusch, Graciela (Peer reviewed; Journal article, 2021)
      Recent forests may be an asset for green infrastructure and ecological restoration, but studies are needed of the variation in forest biodiversity among sites, and possible reasons for observed patterns. In boreonemoral ...
    • Recognising institutional context in simulating and generalising exchange values for monetary ecosystem accounts 

      Barton, David Nicholas (Peer reviewed; Journal article, 2022)
      The paper argues that monetary valuation of ecosystem services for ecosystem accounting needs to be sensitive to institutional context, when simulating markets to generate exchange values where none was available previously ...
    • Recommendations for quantitative uncertainty consideration in ecology and evolution 

      Simmonds, Emily Grace; Adjei, Kwaku Peprah; Cretois, Benjamin; Dickel, Lisa; González-Gil, Ricardo; Laverick, Jack H; Mandeville, Caitlin Marie; Mandeville, Elisabeth G.; Ovaskainen, Otso Tapio; Sicacha Parada, Jorge Armando; Skarstein, Emma; O'Hara, Robert (Peer reviewed; Journal article, 2023)
      Ecological and evolutionary studies are currently failing to achieve complete and consistent reporting of model-related uncertainty. We identify three key barriers – a focus on parameter-related uncertainty, obscure ...
    • Recommendations for quantitative uncertainty consideration in ecology and evolution 

      Simmonds, Emily Grace; Adjei, Kwaku Peprah; Cretois, Benjamin; Dickel, Lisa; González-Gil, Ricardo; Laverick, Jack H; Mandeville, Caitlin Marie; Mandeville, Elizabeth G; Ovaskainen, Otso Tapio; Sicacha-Parada, Jorge; Skarstein, Emma Sofie; O'Hara, Robert Brian (Peer reviewed; Journal article, 2023)
      Ecological and evolutionary studies are currently failing to achieve complete and consistent reporting of model-related uncertainty. We identify three key barriers – a focus on parameter-related uncertainty, obscure ...
    • Recommendations on size and position of surgically and gastrically implanted electronic tags in European silver eel 

      Økland, Finn; Thorstad, Eva Bonsak (Peer reviewed; Journal article, 2013)
      Background: Information on European silver eel Anguilla anguilla anatomy was collected to gain information on limitations on size and placement of electronic tags. Findings: To reduce the eel’s ability to bite its own ...
    • Record-low primary productivity and highplant damage in the Nordic Arctic Region in2012 caused by multiple weather events andpest outbreaks 

      Bjerke, Jarle W.; Karlsen, Stein Rune; Høgda, Kjell Arild; Malnes, Eirik; Jepsen, Jane Uhd; Lovibond, Sarah; Vikhamar-Schuler, Dagrun; Tømmervik, Hans (Peer reviewed; Journal article, 2014)
      The release of cold temperature constraints on photosynthesis has led to increased productivity (greening) in significant parts (32–39%) of the Arctic, but much of the Arctic shows stable (57–64%) or reduced productivity ...
    • The recovery of European freshwater biodiversity has come to a halt 

      Haase, Peter; Bowler, Diana Elizabeth; Baker, Nathan J.; Bonada, Núria; Domisch, Sami; Marquez, Jaime R. Garcia Marquez; Heino, Jani; Hering, Daniel; Jähnig, Sonja C.; Schmidt-Kloiber, Astrid; Stubbington, Rachel; Altermatt, Florian; Álvarez-Cabria, Mario; Amatulli, Giuseppe; Angeler, David G.; Archambaud-Suard, Gaït; Jorrín, Iñaki Arrate; Aspin, Thomas; Azpiroz, Iker; Bañares, Iñaki; Ortiz, José Barquín; Bodin, Christian L.; Bonacina, Luca; Bottarin, Roberta; Cañedo-Argüelles, Miguel; Csabai, Zoltán; Datry, Thibault; De Eyto, Elvira; Dohet, Alain; Dörflinger, Gerald; Drohan, Emma; Eikland, Knut Andreas; England, Judy; Eriksen, Tor E.; Evtimova, Vesela; Feio, Maria J.; Ferréol, Martial; Floury, Mathieu; Forcellini, Maxence; Forio, Marie Anne Eurie; Fornaroli, Riccardo; Friberg, Nikolai; Fruget, Jean-François; Georgieva, Galia; Goethals, Peter; Graça, Manuel A. S.; Graf, Wolfram; House, Andy; Huttunen, Kaisa-Leena; Jensen, Thomas Correll; Pilotto, Francesca; Rasmussen, Jes Jessen; Sandin, Leonard; Velle, Gaute (Peer reviewed; Journal article, 2023)
      wing to a long history of anthropogenic pressures, freshwater ecosystems are among the most vulnerable to biodiversity loss1 . Mitigation measures, including wastewater treatment and hydromorphological restoration, have ...
    • Recovery of vegetation on former alpine roads: how long does it take? 

      Evju, Marianne; Hagen, Dagmar; Olsen, Siri Lie; Mehlhoop, Anne Catriona (Peer reviewed; Journal article, 2023)
      Alpine areas worldwide are under heavy land-use pressure and degradation. Active restoration treatments can contribute to accelerating recovery of degraded areas. However, monitoring data are needed to understand the ...
    • Recovery of young brown trout (Salmo trutta) in acidified streams: What are the critical values for acid-neutralizing capacity? 

      Hesthagen, Trygve; Fiske, Peder; Saksgård, Randi (Journal article; Peer reviewed, 2016)
      The recovery of young allopatric brown trout (Salmo trutta) grouped into YoY (age 0þ) and older parr (age 1þ) fish, was studied in acid-sensitive streams in a Norwegian watershed during a 24-year-period (1987e2010). ...
    • Recreational anglers in Norway report widespread dislike of invasive pink salmon 

      Guay, J.D.; Lennox, Robert; Thorstad, Eva Bonsak; Vollset, Knut; Stensland, Stian; Erkinaro, J.; Nguyen, V.M. (Peer reviewed; Journal article, 2023)
      Pink salmon have returned to Norwegian rivers at high abundance in recent odd-numbered years (2017, 2019, 2021, 2023), presenting potential threats to native biodiversity and ecosystem services, including major sport fishing ...
    • Redefining the oceanic distribution of Atlantic salmon 

      Rikardsen, Audun H.; Righton, David; Strøm, John Fredrik; Thorstad, Eva Bonsak; Gargan, Patrick G.; Sheehan, Timothy F.; Økland, Finn; Chittenden, Cedar; Hedger, Richard David; Næsje, Tor; Renkawitz, Mark; Sturlaugsson, Johannes; Caballero, Pablo; Baktoft, Henrik; Davidsen, Jan Grimsrud; Halttunen, Elina; Wright, Serena; Finstad, Bengt; Aarestrup, Kim (Peer reviewed; Journal article, 2021)
      Determining the mechanisms driving range-wide reductions in Atlantic salmon marine survival is hindered by an insufcient understanding of their oceanic ecology and distribution. We attached 204 pop-up satellite archival ...
    • Redescription and taxonomic notes on Cyclops bohater Koźmiński, 1933 and Cyclops lacustris G.O. Sars, 1863 (Arthropoda, Crustacea), with an identification key to the Cyclops species of Fenno-Scandinavia 

      Holynska, Maria; Dimante-Deimantovica, Inta (Journal article; Peer reviewed, 2016)
      The studies of Cyclops O.F. Müller, 1776 have more than two centuries of tradition in Fenno- Scandinavia, yet, basic taxonomic questions remain unresolved and the limits of the distributional area are very poorly understood ...
    • Refrigeration or anti-theft? Food-caching behavior of Wolverines (Gulo gulo) in Scandinavia 

      van der Veen, Bert; Mattisson, Jenny; Zimmermann, Barbara; Odden, John; Persson, Jens (Journal article, 2020)
      Food-caching animals can gain nutritional advantages by buffering seasonality in food availability, especially during times of scarcity. The wolverine (Gulo gulo) is a facultative predator that occupies environments of low ...