Now showing items 317-336 of 1342

    • Documenting lemming population change in the Arctic: Can we detect trends? 

      Ehrich, Dorothee; Schmidt, Niels M.; Gauthier, Gilles; Alisauskas, Ray; Angerbjörn, Anders; Clark, Karin; Ecke, Frauke; Eide, Nina Elisabeth; Framstad, Erik; Frandsen, Jay; Franke, Alastair; Gilg, Olivier; Giroux, Marie-Andrée; Henttonen, Heikki; Hörnfeldt, Birger; Ims, Rolf Anker; Kataev, Gennadiy D.; Kharitonov, Sergey P.; Killengreen, Siw Turid; Krebs, Charles J.; Lanctot, Richard B.; Lecomte, Nicolas; Menyushina, Irina; Morris, Douglas W.; Morrisson, Guy; Oksanen, Lauri; Oksanen, Tarja Maarit; Olofsson, Johan; Pokrovsky, Ivan G.; Popov, Igor Yu.; Reid, Don; Roth, James D.; Saalfeld, Sarah T.; Samelius, Gustaf; Sittler, Benoit; Sleptsov, Sergey M.; Smith, Paul; Sokolov, Aleksandr A.; Sokolova, Natalya A.; Soloviev, Mikhail Y.; Solovyeva, Diana (Journal article; Peer reviewed, 2019)
      Lemmings are a key component of tundra food webs and changes in their dynamics can affect the whole ecosystem. We present a comprehensive overview of lemming monitoring and research activities, and assess recent trends ...
    • Does Catch-and-Release Angling Alter the Behavior and Fate of Adult Atlantic Salmon During Upriver Migration? 

      Lennox, Robert J.; Uglem, Ingebrigt; Cooke, Steven J.; Næsje, Tor; Whoriskey, Frederick G.; Havn, Torgeir Børresen; Ulvan, Eva Marita; Solem, Øyvind; Thorstad, Eva Bonsak (Journal article; Peer reviewed, 2015)
      To reproduce, Atlantic Salmon Salmo salar return to freshwater rivers and migrate upriver to spawning areas. This migration is the basis for recreational fisheries, which for conservation reasons are increasingly characterized ...
    • Does defoliation frequency and severity influence plant productivity? The role of grazing management and soil nutrients 

      Venter, Alexander Samuel; Hawkins, Heidi-Jayne; Cramer, Michael D. (Peer reviewed; Journal article, 2020)
      Rangeland management approaches, including rotational grazing, rely on assumptions about plant growth responses to the intensity, or severity (sward height) plus frequency, of defoliation. We tested these assumptions at ...
    • Don't mind if I do: Arctic humpback whales respond to winter foraging opportunities before migration 

      Kettemer, Lisa Elena; Ramm, Theresia; Broms, Fredrik Björn; Biuw, Martin; Blanchet, Marie-Anne; Bourgeon, Sophie; Dubourg, Paul; Ellendersen, Anna C. J.; Horaud, Mathilde; Kershaw, Joanna; Miller, Patrick J. O.; Øien, Nils Inge; Pallin, Logan J.; Rikardsen, Audun H. (Peer reviewed; Journal article, 2023)
      Migration patterns are fundamentally linked to the spatio-temporal distributions of prey. How migrating animals canrespond to changes in their prey’s distribution and abundance remains largely unclear. During the ...
    • “Don’t confuse me with facts”—how right wing populism affects trust in agencies advocating anthropogenic climate change as a reality 

      Krange, Olve; Kaltenborn, Bjørn Petter; Hultman, Martin (Peer reviewed; Journal article, 2021)
      Everyday public denial of anthropogenically caused climate change (ACC) has complex antecedents and exists on both individual and institutional levels. Earlier research has linked ACC denial to opposition to formal science ...
    • Down a hole: missing GPS positions reveal birth dates of an underground denning species, the red fox 

      Walton, Zea Ann; Mattisson, Jenny (Others, 2021)
      Global positioning system (GPS) technology is increasingly used to study animal behavior. However, some animals exhibit behaviors that may result in the failure to acquire a GPS position, such as for species with underground ...
    • Downstream transport and seasonal variation in freshwater pearl mussel (Margaritifera margaritifera) eDNA concentration 

      Wacker, Sebastian; Fossøy, Frode; Larsen, Bjørn Mejdell; Brandsegg, Hege; Sivertsgård, Rolf; Karlsson, Sten (Peer reviewed; Journal article, 2019)
      Environmental DNA (eDNA) can be used to detect the presence and abundance of aquatic organisms from water samples. Before implementing this methodology as a tool for monitoring, more knowledge is needed on variation in ...
    • Drivers of hibernation in the brown bear 

      Evans, Alina; Singh, Navinder J.; Friebe, Andrea; Arnemo, Jon Martin; Laske, Timothy; Fröbert, O.; Swenson, Jon; Blanc, S (Journal article; Peer reviewed, 2016)
      Background: Hibernation has been a key area of research for several decades, essentially in small mammals in the laboratory, yet we know very little about what triggers or ends it in the wild. Do climatic factors, an ...
    • Drivers of hibernation in the brown bear 

      Evans, Alina; Singh, N.J.; Arnemo, Jon Martin; Laske, T.G.; Fröbert, O.; Swenson, Jon; Blanc, S. (Peer reviewed; Journal article, 2016)
      Background: Hibernation has been a key area of research for several decades, essentially in small mammals in the laboratory, yet we know very little about what triggers or ends it in the wild. Do climatic factors, an ...
    • Drivers of species composition in arable-weed communities of the Austrian–Hungarian borderland region: What is the role of the country? 

      Pinke, Gyula; Vér, András; Réder, Krisztina; Koltai, Gábor; Schlögl, Gerhard; Bede-Fazekas, Ákos; Czúcz, Bálint; Botta-Dukát, Zoltán (Peer reviewed; Journal article, 2024)
      Questions: Due to their high ecological and agronomical variability, borderland re -gions offer an excellent opportunity to study assembly patterns. In this study we compared the influence of various factors on summer ...
    • Drivers of treeline shift in different European mountains 

      Cudlin, Pavel; Klopcic, Matija; Tognetti, Roberto; Mális, Frantisek; Alados, Concepcion L.; Bebi, Peter; Grunewald, Karsten; Zhiyanski, Miglena; Andonowski, Vlatko; La Porta, Nicola; Bratanova-Doncheva, Svetlana; Kachaunova, Eli; Edwards-Jonášová, Magda; Ninot, Josep Maria; Rigling, Andreas; Hofgaard, Annika; Hlásny, Tomáš; Skalák, Petr; Wielgolaski, Frans Emil (Journal article; Peer reviewed, 2017)
      A growing body of evidence suggests that processes of upward treeline expansion and shifts in vegetation zones may occur in response to climate change. However, such shifts can be limited by a variety of non-climatic ...
    • Dynamics of gastro-inestinal strongyle parasites in a group of translocated, wild-captured asiatic wild asses in Kazakhstan 

      Gliga, Diana S.; Petrova, Natalia; Linnell, John Durrus; Salemgareyev, Albert R.; Zuther, Steffen; Walzer, Chris; Kaczensky, Petra (Peer reviewed; Journal article, 2020)
      Asiatic wild ass (Kulan, Equus hemionus) population range and numbers became severely reduced and a reintroduction project is currently aiming to re-establish a population in the Central Steppe of Kazakhstan. Pre-emptive ...
    • Early careers on ecohydraulics: challenges, opportunities and future directions 

      Wilkes, Martin A.; Neverman, Andrew J.; Casas-Mulet, Roser; Adeva Bustos, Ana; McCluskey, Alexander H.; Ouellet, Valerie; Vanzo, Davide; Franklin, Paul A.; Silva, Ana T. (Journal article; Peer reviewed, 2016)
      Early career researchers (ECRs) play a critical role in our knowledge-based society, yet they are the most vulnerable group in the scientific community. As a young, interdisciplinary science, ecohydraulics is particularly ...
    • Echinococcus granulosussensu lato and Echinococcus multilocularis: A review 

      Woolsey, Ian David; Miller, Andrea L. (Peer reviewed; Journal article, 2020)
      Echinococcus spp. have a global distribution and are found on every continent except Antarctica. Infections with these parasites are considered extremely serious, contributing to significant morbidity and mortality in ...
    • ECKOchain: A FAIR blockchain-based database for long-term ecological data 

      Marstein, Kjell-Erik; Grytnes, John Arvid; Lewis, Robert John (Peer reviewed; Journal article, 2024)
      1. Open data practices in ecology are increasingly accepted, yet primary long-term ecological data remain hard to find. Barriers preventing open long-term ecological data include social and economic constructs such as a ...
    • Ecological and Social Dimensions of Ecosystem Restoration in the Nordic Countries. Synthesis, part of a Special Feature on Ecological Restoration in Northern Regions 

      Hagen, Dagmar; Svavarsdottir, Kristin; Nilsson, Christer; Tolvanen, Anne K.; Raulund-Rasmussen, Karsten; Aradòttir, Åsa L.; Fosaa, Anna Maria; Halldorsson, Gudmundur (Peer reviewed; Journal article, 2013)
      An international overview of the extent and type of ecological restoration can offer new perspectives for understanding, planning, and implementation. The Nordic countries, with a great range of natural conditions but ...
    • Ecological consequences of a single introduced species to the Antarctic: terrestrial impacts of the invasive midge Eretmoptera murphyi on Signy Island 

      Bartlett, Jesamine; Convey, Peter; Newsham, Kevin K.; Hayward, S.A.L. (Peer reviewed; Journal article, 2023)
      The nutrient-poor soils of Antarctica are sensitive to change. Recent increases in the number of anthropogenic introductions mean that understanding the impact of non-native species on Antarctic soils is pertinent, and ...
    • Ecological effects of mosquito control with Bti: evidence for shifts in the trophic structure of soil- and ground-based food webs 

      McKie, Brendan G.; Taylor, Astrid; Nilsson, Tobias; Frainer, André; Goedkoop, Willem (Peer reviewed; Journal article, 2023)
      The microbial control agent Bacillus thuringiensis var. israelensis (Bti) has been successfully used worldwide to reduce abundances of biting Nematocera (Diptera), often with little direct impact on non-target organisms ...
    • Ecologizar la Economía o economizar la Ecología: controversias y desafíos en torno a la valoración de los servicios de los ecosistemas 

      Gomez-Baggethun, Erik (Journal article, 2018)
      En esta presentación se aborda el divorcio entre Economía y Ecología, las implicaciones de esta separación para entender la crisis ambiental y para la búsqueda de soluciones a dicha crisis. Se hace un recorrido sintético ...
    • Ecosystem change and stability over multiple decades in the Swedish subarctic: complex processes and multiple drivers 

      Callaghan, Terry V.; Jonasson, Christer; Thierfelder, Tomas; Yang, Zhenlin; Hedenås, Henrik; Johansson, Margareta; Molau, Ulf; Van Bogaert, Rik; Michelsen, Anders; Olofsson, Johan; Gwynn-Jones, Dylan; Bokhorst, Stef; Phoenix, Gareth K.; Bjerke, Jarle Werner; Tømmervik, Hans; Christensen, Torben R.; Hanna, Edward; Koller, Eva K.; Sloan, Victoria L. (Journal article; Peer reviewed, 2013)
      The subarctic environment of northernmost Sweden has changed over the past century, particularly elements of climate and cryosphere. This paper presents a unique geo-referenced record of environmental and ecosystem ...