Browsing Naturhistorisk museum by Title

Now showing items 607-626 of 763

  • Signatures of human-commensalism in the house sparrow genome 
    Ravinet, Mark; Elgvin, Tore Oldeide; Trier, Cassandra Nicole; Aliabadian, Mansour; Gavrilov, Andrey; Sætre, Glenn-Peter (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
    House sparrows (Passer domesticus) are a hugely successful anthrodependent species; occurring on nearly every continent. Yet, despite their ubiquity and familiarity to humans, surprisingly little is known about their ...
  • Single-tree influence on understorey vegetation in five Chinese subtropical forests 
    Liu, Hai Ying; Halvorsen, Rune (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    The aim of this study is to examine the effect of individual canopy tree on the species composition and abundance of understorey vegetation in subtropical forests, by applying a model for tree influence on understorey ...
  • Six new species of Afrotropical Allodia (Diptera: Mycetophilidae): DNA barcodes indicate recent diversification with a single origin 
    Magnussen, Trude; Kjærandsen, Jostein; Johnsen, Arild; Søli, Geir Einar Ellefsen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Only one species of the genus Allodia has been previously recorded from the Afrotropical region, Allodia (Brachycampta) flavorufa Matile, 1978. Six new species are described here, all representing the nominotypical subgenus, ...
  • Size‐and stage‐dependence in cause‐specific mortality of migratory brown trout 
    Nater, Chloe Rebecca; Vindenes, Yngvild; Aas, Per; Cole, Diana; Langangen, Øystein; Moe, S. Jannicke; Rustadbakken, Atle; Turek, Daniel; Vøllestad, Leif Asbjørn; Ergon, Torbjørn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    1. Evidence‐based management of natural populations under strong human influence frequently requires not only estimates of survival but also knowledge about how much mortality is due to anthropogenic vs. natural causes. ...
  • Sneaking up on ‘enemies’: alleviating inherent disadvantages in competitive outcomes in a nearly 3-million-year-old palaeocommunity from Florida, USA 
    Di Martino, Emanuela; Liow, Lee Hsiang; Perkins, Tom; Portell, Roger W.; Taylor, Paul D. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Bryozoans offer one of the few systems in which competitive interactions for living space can be studied in the fossil record. Here, we describe the outcome of competitive overgrowths in a 3‐million‐year‐old bryozoan ...
  • Snow-vegetation-atmosphere interactions in alpine tundra 
    Pirk, Norbert; Aalstad, Kristoffer; A. Yilmaz, Yeliz; Vatne, Astrid; Popp, Andrea L.; Horvath, Peter; Bryn, Anders; Vollsnes, Ane Victoria; Westermann, Sebastian; Berntsen, Terje Koren; Stordal, Frode; Tallaksen, Lena M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract. The interannual variability of snow cover in alpine areas is increasing, which may affect the tightly coupled cycles of carbon and water through snow–vegetation–atmosphere interactions across a range of spatio-temporal ...
  • Sources of variation in small rodent trophic niche: New insights from DNA metabarcoding and stable isotope analysis 
    Soininen, Eeva M; Ehrich, Dorothee; Lecomte, Nicolas; Yoccoz, Nigel Gilles; Tarroux, Arnaud; Berteaux, Dominique; Gauthier, Gilles; Gielly, Ludovic; Brochmann, Christian; Gussarova, Galina; Ims, Rolf Anker (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2014)
    Intraspecific competition for food is expected to increase the trophic niche width of consumers, defined here as their diet diversity, but this process has been little studied in herbivores. Population densities of small ...
  • Spatial and temporal variation in Arctic freshwater chemistry— Reflecting climate-induced landscape alterations and a changing template for biodiversity 
    Huser, Brian J.; Futter, Martyn N.; Bogan, Daniel; Brittain, John Edward; Culp, Joseph M; Goedkoop, Willem; Gribovskaya, Iliada; Karlsson, Jan; Lau, Danny C.P.; Ruhland, Kathleen M; Schartau, Ann Kristin; Shaftel, Rebecca; Smol, John P.; Vrede, Tobias; Lento, Jennifer (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    1. Freshwater chemistry across the circumpolar region was characterised using a pan-Arctic data set from 1,032 lake and 482 river stations. Temporal trends were estimated for Early (1970–1985), Middle (1986–2000), and Late ...
  • Spatial patterns of phylogenetic and species diversity of fennoscandian vascular plants in protected areas 
    Matten, Damaris Marina; Mienna, Ida Marielle; Bieker, Vanessa Carina; Mishler, Brent D; Moen, Victoria Stornes; Nygård, Malene Østreng; Vuorinen, Katariina Elsa M; Bendiksby, Mika; Martin, Michael David; Speed, James David Mervyn (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Protected areas are one of the main strategic means for conserving biodiversity. Yet, the design of protected areas usually neglects phylogenetic diversity, an important diversity measure. In this paper we assess the ...
  • Spatially and Temporally Distributed Complexity—A Refreshed Framework for the Study of GRN Evolution 
    Minelli, Alessandro; Valero Gracia, Alberto (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Irrespective of the heuristic value of interpretations of developmental processes in terms of gene regulatory networks (GRNs), larger-angle views often suffer from: (i) an inadequate understanding of the relationship between ...
  • Spatiotemporal monitoring of the rare northern dragonhead (Dracocephalum ruyschiana, Lamiaceae) — SNP genotyping and environmental niche modeling herbarium specimens 
    Nygaard, Malene; Kopatz, Alexander; Speed, James David Mervyn; Martin, Michael David; Prestø, Tommy; Kleven, Oddmund; Bendiksby, Mika (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The species we have studied the spatiotemporal genetic change in the northern dragonhead, a plant species that has experienced a drastic population decline and habitat loss in Europe. We have added a temporal perspective ...
  • Spatiotemporal Variations in Surface Heat Loss Imply a Heterogeneous Mantle Cooling History 
    Karlsen, Krister Stræte; Conrad, Clinton Phillips; Domeier, Mathew; Trønnes, Reidar G (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Earth's heat budget is strongly influenced by spatial and temporal variations in surface heat flow caused by plate tectonic cycles. Here, we use a novel set of paleo‐seafloor age grids extending back to the mid‐Paleozoic ...
  • Specialized sledge dogs accompanied Inuit dispersal across the North American Arctic 
    Ameen, Carly; Feuerborn, Tatiana R.; Brown, Sarah K.; Linderholm, Anna; Hulme-Beaman, Ardern; Lebrasseur, Ophelie; Sinding, Mikkel Holger Strander; Lounsberry, Zachary T.; Lin, Audrey T.; Appelt, Martin; Bachmann, Lutz; Betts, Matthew; Britton, Kate; Darwent, John; Dietz, Rune; Fredholm, Merethe; Gopalakrishnan, Shyam; Goruinova, Olga I.; Grønnow, Bjarne; Haile, James; Hallsson, Jón Hallsteinn; Harrison, Ramona; Heide-Jørgensen, Mads-Peter; Knecht, Rick; Losey, Robert J.; Masson-MacLean, Edouard; McGovern, Thomas H.; McMagnus-Fry, Ellen; Meldgaard, Morten; Midtdal, Åslaug; Moss, Madonna L.; Nikitin, Iurii G.; Nomokonova, Tatiana; Palsdottir, Albina Hulda; Perri, Angela; Popov, Aleksandr N.; Rankin, Lisa; Reuther, Joshua D.; Sablin, Mikhail V.; Schmidt, Anne Lisbeth; Shirar, Scott; Smiarowski, Konrad; Sonne, Christian; Stiner, Mary C.; Vasyukov, Mitya; West, Catherine F.; Ween, Gro Birgit; Wennerberg, Sanne Eline; Wiig, Øystein; Woollett, James; Dalén, Love; Hansen, Anders J.; Gilbert, Marcus Thomas Pius; Sacks, Benjamin N; Frantz, Laurent A.F.; Larson, Greger; Dobney, Keith; Darwent, Christyann M.; Evin, Allowen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    Domestic dogs have been central to life in the North American Arctic for millennia. The ancestors of the Inuit were the first to introduce the widespread usage of dog sledge transportation technology to the Americas, but ...
  • Speciation in arctic and alpine diploid plants 
    Gustafsson, A. Lovisa S. (Doctoral thesis / Doktoravhandling, 2013)
    The main objectives of this thesis are to study patterns and processes of plant speciation in arctic and alpine diploid plants. Cryptic species are here referred to as morphologically similar individuals belonging to the ...
  • Species-level divergences in multiple functional traits between the two endemic subspecies of Blue Chaffinches Fringilla teydea in Canary Islands 
    Lifjeld, Jan T; Anmarkrud, Jarl A; Calabuig, Pascual; Cooper, Joseph E J; Johannessen, Lars E; Johnsen, Arild; Kearns, Anna M; Lachlan, Robert F; Laskemoen, Terje; Marthinsen, Gunnhild; Stensrud, Even; Garcia-del-Rey, Eduardo (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Background One of the biggest challenges in avian taxonomy is the delimitation of allopatric species because their reproductive incompatibility cannot be directly studied in the wild. Instead, reproductive ...
  • Species-specific responses of “Critically Endangered” and “Least Concern” Aloe seed germination to environmental conditions in Tanzania 
    Abihudi, Siri; Venkataramana, Pavithravani; de Boer, Hugo; Treydte, Anna C (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The majority of Aloe species are threatened by anthropogenic activities, trade, and the effects of climate change, but little is known on seed biology and appropriate conservation measures. Hence, understanding the germination ...
  • Spectral analysis to improve inputs to Random Forest and other boosted ensemble tree-based algorithms for detecting NYF Pegmatites in Tysfjord, Norway 
    Santos, Douglas; Cardoso-Fernandes, Joana; Lima, Alexandre; Müller, Axel; Brönner, Marco; Teodoro, Ana Cláudia (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    As an important source of lithium and rare earth elements (REE) and other critical elements, pegmatites are of great strategic economic interest for present and future technological development. Identifying new pegmatite ...
  • Sperm adaptation in relation to salinity in three goby species 
    Lindström, Kai; Havenhand, Jon; Leder, Erica Helen; Schöld, Sofie; Svensson, Ola; Kvarnemo, Charlotta (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    In externally fertilizing species, the gametes of both males and females are exposed to the influences of the environment into which they are released. Sperm are sensitive to abiotic factors such as salinity, but they are ...
  • Sperm divergence in a passerine contact zone: Indication of reinforcement at the gametic level 
    Albrecht, Tomas; Opletalová, Kamila; Reif, Jiri; Janousek, Vaclav; Pialek, Lubomir; Cramer, Emily Rebecca A; Johnsen, Arild; Reifova, Radka (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Postcopulatory sexual selection may promote evolutionary diversification in sperm form, but the contribution of between‐species divergence in sperm morphology to the origin of reproductive isolation and speciation remains ...
  • Sperm head abnormalities are associated with excessive omega-6 fatty acids in two finch species feeding on sunflower seeds 
    Støstad, Hanna Nyborg; Rowe, Melissah; Johnsen, Arild; Tomasek, Oldrich; Albrecht, Tomas; Lifjeld, Jan Terje (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    In a rapidly changing world, it is important to understand how urban environments impact wildlife. For example, supplementary feeding of birds, though well‐intended, might have unexpected negative effects on the health of ...