• Alternative measures of trait–niche relationships: A test on dispersal traits in saproxylic beetles 

      Burner, Ryan; Stephan, Jörg G.; Drag, Lukas; Potterf, Mária; Birkemoe, Tone; Siitonen, Juha; Müller, Jörg; Ovaskainen, Otso Tapio; Sverdrup-Thygeson, Anne; Snäll, Tord (Journal article; Peer reviewed, 2023)
      Functional trait approaches are common in ecology, but a lack of clear hypotheses on how traits relate to environmental gradients (i.e., trait–niche relationships) often makes uncovering mechanisms difficult. Furthermore, ...
    • Alternative responses to rare selection events are differentially vulnerable to changes in the frequency, scope, and intensity of environmental extremes 

      Haaland, Thomas; Botero, Carlos A. (Journal article; Peer reviewed, 2019)
      Extreme weather events are becoming more frequent, severe, and/or widespread as a consequence of anthropogenic climate change. While the economic and ecological implications of these changes have received considerable ...
    • Antiparasite treatments reduce humoral immunity and impact oxidative status in raptor nestlings 

      Hanssen, Sveinn Are; Bustnes, Jan Ove; Schnug, Lisbeth; Bourgeon, Sophie; Johnsen, Trond Vidar; Ballesteros, Manuel; Sonne, Christian; Herzke, Dorte; Eulaers, Igor; Jaspers, Veerle; Covaci, Adrian; Eens, Marcel; Halley, Duncan John; Moum, Truls Borg; Ims, Rolf Anker; Erikstad, Kjell E (Journal article; Peer reviewed, 2013)
      Parasites are natural stressors that may have multiple negative effects on their host as they usurp energy and nutrients and may lead to costly immune responses that may cause oxidative stress. At early stages, animals ...
    • Can plant traits predict seed dispersal probability via red deer guts, fur, and hooves? 

      Petersen, Tanja Kofod; Bruun, Hans Henrik (Journal article; Peer reviewed, 2019)
      Seed dispersal by mammals provides functional connectivity between isolated plant habitat patches. Across much of Europe, red deer (Cervus elaphus) populations are growing steadily, potentially leading to increasing ...
    • Can variation in standard metabolic rate explain context- dependent performance of farmed Atlantic salmon offspring? 

      Robertsen, Grethe; Reid, Donald; Einum, Sigurd; Aronsen, Tonje; Fleming, Ian A.; Sundt-Hansen, Line Elisabeth Breivik; Karlsson, Sten; Kvingedal, Eli; Ugedal, Ola; Hindar, Kjetil (Journal article; Peer reviewed, 2018)
      Escaped farmed Atlantic salmon interbreed with wild Atlantic salmon, leaving off- spring that often have lower success in nature than pure wild salmon. On top of this, presence of farmed salmon descendants can impair ...
    • Causes and consequences of variation in early-life telomere length in a bird metapopulation 

      Pepke, Michael Le; Kvalnes, Thomas; Ranke, Peter Sjolte; Araya-Ajoy, Yimen; Wright, Jonathan; Sæther, Bernt-Erik; Jensen, Henrik; Ringsby, Thor Harald (Peer reviewed; Journal article, 2022)
      Environmental conditions during early-life development can have lasting effects shaping individual heterogeneity in fitness and fitness-related traits. The length of telomeres, the DNA sequences protecting chromosome ends, ...
    • Community structure affects trophic ontogeny in a predatory fish 

      Sanchez-Hernandez, Javier; Eloranta, Antti; Finstad, Anders Gravbrøt; Amundsen, Per-Arne (Journal article; Peer reviewed, 2017)
      While most studies have focused on the timing and nature of ontogenetic niche shifts, information is scarce about the effects of community structure on trophic ontogeny of top predators. We investigated how community ...
    • Consequences of cross-season demographic correlations for population viability 

      Layton-Matthews, Kate; Reiertsen, Tone Kristin; Erikstad, Kjell E.; Anker-Nilssen, Tycho; Daunt, Francis; Wanless, Sarah; Barrett, Robert; Newell, Mark A; Harris, Mike P. (Peer reviewed; Journal article, 2023)
      Demographic correlations are pervasive in wildlife populations and can represent important secondary drivers of population growth. Empirical evidence suggests that correlations are in general positive for long-lived species, ...
    • Conservation implications of elucidating the Korean wolf taxonomic ambiguity through whole-genome sequencing 

      Hernández-Alonso, Germán; Ramos-Madrigal, Jazmín; Sun, Xin; Scharff-Olsen, Camilla Hjorth; Sinding, Mikkel Holger Strander; Martins, Nuno F.; Ciucani, Marta Maria; Mak, Sarah S. T.; Lanigan, Liam Thomas; Clausen, Cecilie G.; Bhak, Jong; Jeon, Sungwon; Kim, Changjae; Eo, Kyung Yeon; Cho, Seong-Ho; Boldgiv, Bazartseren; Gantulga, Gankhuyag; Unudbayasgalan, Zunduibaatar; Kosintsev, Pavel A.; Stenøien, Hans Kristen; Gilbert, Marcus Thomas Pius; Gopalakrishnan, Shyam (Peer reviewed; Journal article, 2023)
      The taxonomic status of the now likely extirpated Korean Peninsula wolf has been extensively debated, with some arguing it represents an independent wolf lineage, Canis coreanus. To investigate the Korean wolf's genetic ...
    • Contrasting patterns of density-dependent selection at different life stages can create more than one fast–slow axis of life-history variation 

      Wright, Jonathan; Solbu, Erik Blystad; Engen, Steinar (Journal article; Peer reviewed, 2020)
      There has been much recent research interest in the existence of a major axis of life‐history variation along a fast–slow continuum within almost all major taxonomic groups. Eco‐evolutionary models of density‐dependent ...
    • A dead giveaway: Foraging vultures and other avian scavengers respond to auditory cues 

      Jackson, Craig Ryan; Maddox, Thomas M; Mbise, Franco Peniel; Stokke, Bård Gunnar; belant, Jerrold L.; Bevanger, Kjetil Modolv; Durant, Sarah M.; Fyumagwa, R.D.; Ranke, Peter Sjolte; Røskaft, Eivin; May, Roelof Frans; Fossøy, Frode (Peer reviewed; Journal article, 2020)
      Carrion represents an unpredictable and widely distributed primary food source for vultures and other avian scavengers. Avian scavengers in African savanna ecosystems are reported to rely exclusively on visual stimuli to ...
    • Detection and apparent survival of PIT-tagged stream fish in winter 

      Weber, Christine; Scheuber, Hannes; Nilsson, Christer; Alfredsen, Knut (Journal article; Peer reviewed, 2016)
      Environmental fluctuations exert strong control on behavior, survival, and fitness of stream biota. Technical improvements increasingly allow for tracking the response of large numbers of individuals to environmental ...
    • DNA barcodes provide insights into the diversity and biogeography of the non-biting midge Polypedilum (Diptera, Chironomidae) in South America 

      da Silva, Fabio Laurindo; Pinho, Luiz Carlos; Stur, Elisabeth; Nihei, Silvio Shigueo; Ekrem, Torbjørn (Peer reviewed; Journal article, 2023)
      South America, particularly within its tropical belt, is renowned for its unparalleled high levels of species richness, surpassing other major biomes. Certain neotropical areas harbor fragmented knowledge of insect diversity ...
    • DNA metabarcoding adds valuable information for management of biodiversity in roadside stormwater ponds 

      Sun, Zhenhua; Majaneva, Markus; Sokolova, Ekaterina; Rauch, Sébastien; Meland, Sondre; Ekrem, Torbjørn (Journal article; Peer reviewed, 2019)
      Stormwater ponds are used to compensate for the adverse effects that road runoff might have on the natural environment. Depending on their design and placement, stormwater ponds can act as both refugia and traps for local ...
    • Drivers and consequences of partial migration in an alpine bird species 

      Arnekleiv, Øyvind Lorvik; Eldegard, Katrine; Moa, Pål Fossland; Eriksen, Lasse Frost; Nilsen, Erlend Birkeland (Peer reviewed; Journal article, 2022)
      1. Partial migration, where a portion of the population migrates between win-ter and summer (breeding) areas and the rest remain year- round resident, is a common phenomenon across several taxonomic groups. Several hypotheses ...
    • Effects of inbreeding on fitness-related traits in a small isolated moose population 

      Haanes, Hallvard; Markussen, Stine Svalheim; Herfindal, Ivar; Røed, Knut H.; Solberg, Erling Johan; Heim, Morten; Midthjell, Liv; Sæther, Bernt-Erik (Journal article; Peer reviewed, 2013)
      Inbreeding can affect fitness-related traits at different life history stages and may interact with environmental variation to induce even larger effects. We used genetic parentage assignment based on 22 microsatellite ...
    • Elevated CO2 affects embryonic development and larval phototaxis in a temperate marine fish 

      Forsgren, Elisabet; Dupont, Sam; Jutfelt, Fredrik; Amundsen, Trond (Journal article; Peer reviewed, 2013)
      As an effect of anthropogenic CO2 emissions, the chemistry of the world’s oceans is changing. Understanding how this will affect marine organisms and ecosystems are critical in predicting the impacts of this ongoing ocean ...
    • Environmental niche overlap in sibling planktonic species Calanus finmarchicus and C. glacialis in Arctic fjords 

      Weydmann-Zwolicka, Agata; Cottier, Finlo Robert; Berge, Jørgen; Majaneva, Sanna; Kuklinski, Piotr; Zwolicki, Adrian (Peer reviewed; Journal article, 2022)
      Knowledge of environmental preferences of the key planktonic species, such as Calanus copepods in the Arctic, is crucial to understand ecosystem function and its future under climate change. Here, we assessed the environmental ...
    • Evolution of population dynamics following invasion by a non-native predator 

      Einum, Sigurd; Ullern, Emil R.; Walsh, Matthew; Burton, Tim (Peer reviewed; Journal article, 2022)
      Invasive predatory species are frequently observed to cause evolutionary responses in prey phenotypes, which in turn may lead to evolutionary shifts in the population dynamics of prey. Research has provided a link between ...
    • Evolutionary change in metabolic rate of Daphnia pulicaria following invasion by the predator Bythotrephes longimanus 

      Rani, Varsha; Burton, Tim; Walsh, Matthew; Einum, Sigurd (Peer reviewed; Journal article, 2022)
      Metabolic rate is a trait that may evolve in response to the direct and indirect effects of predator-induced mortality. Predators may indirectly alter selection by lowering prey densities and increasing resource availability ...