Browsing Naturhistorisk museum by Title

Now showing items 261-280 of 763

  • Functional diversity and community assembly of river invertebrates show globally consistent responses to decreasing glacier cover 
    Brown, Lee E.; Khamis, Kieran; Wilkes, Martin; Blaen, Phillip; Brittain, John E; Carrivick, Jonathan L.; Fell, Sarah; Friberg, Nikolai; Füreder, Leopold; Gíslason, Gísli M; Hainie, Sarah; Hannah, David M.; James, William H. M.; Lencioni, Valeria; Olafsson, Jon S.; Robinson, Christopher T.; Saltveit, Svein J; Thompson, Craig; Milner, Alexander M. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2018)
    Global change threatens invertebrate biodiversity and its central role in numerous ecosystem functions and services. Functional trait analyses have been advocated to uncover global mechanisms behind biodiversity responses ...
  • Functional structure of European forest beetle communities is enhanced by rare species 
    Burner, Ryan; Drag, Lukas; Stephan, Jörg G.; Birkemoe, Tone; Wetherbee, Ross; Muller, Jörg; Siitonen, Juha; Snäll, Tord; Skarpaas, Olav; Potterf, Mária; Doerfler, Inken; Gossner, Martin M.; Schall, Peter; Weisser, Wolfgang W.; Sverdrup-Thygeson, Anne (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Biodiverse communities have been shown to sustain high levels of multifunctionality and thus a loss of species likely negatively impacts ecosystem functions. For most taxa, however, roles of individual species are poorly ...
  • Fungal community dynamics across a forest–alpine ecotone 
    Tonjer, Lea-Rebekka; Thoen, Ella; Morgado N, Luis; Botnen, Synnøve; Mundra, Sunil; Nybakken, Line; Bryn, Anders; Kauserud, Håvard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Climate change is causing upward shift of forest lines worldwide, with consequences for soil biota and carbon (C) sequestration. We here analyse compositional changes in the soil biota across the forest line ecotone, an ...
  • Further records and DNA barcodes of Norwegian moth flies, including three species new to the Norwegian fauna (Diptera: Psychodidae) 
    Kvifte, Gunnar Mikalsen; Boumans, Louis (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    New records and barcodes are given for three species of Psychodidae not previously recorded from Norway; Telmatoscopus advena (Eaton, 1893), Parajungiella pseudolongicornis (Wagner, 1975) and Psychoda erminea Eaton, 1898. ...
  • Fusarium: more than a node or a foot-shaped basal cell 
    Crous, Pedro W.; Lombard, L.; Sandoval-Denis, M; Seifert, K.A; Schroers, H.-J; Chavern, P; Gené, J; Guarro, J; Hirooka, Y; Bensch, K; Kema, G.H.J; Lamprecht, S.C.; Cai, L.; Rossman, A-Y.; Stadler, M; Summerbell, R.C.; Taylor, J.W; Ploch, S.; Visagie, C.M; Yilmaz, N; Frisvad, J.C; Abdel-Azeem, A.M; Abdollahzadeh, J.; Abdolrasouli, A.; Akulov, A.; Alberts, J.F; Araujo, J.P.M; Ariyawansa, H.A.; Bakshshi, M; Bendiksby, Mika; Ben Hadj Amor, A.; Bezerra, J.D.P.; Boekhout, T.; Câmara, M.P.S.; Carbia, M.; Cardinali, G.; Castañeda-Ruiz, R.F.; Celis, A.; Chaturvedi, V.; Collemare, J.; Croll, D.; Damm, U.; Decock, C.A.; de Vries, R.P; Ezekiel, C.N.; Fan, X.L; Zamora, Juan Carlos; Zare, R; Zhang, C.L.; Thines, M. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Recent publications have argued that there are potentially serious consequences for researchers in recognising distinct genera in the terminal fusarioid clade of the family Nectriaceae. Thus, an alternate hypothesis, namely ...
  • Future prospects for investigating ciliate biodiversity 
    Rajter, Ľubomír; Lu, Borong; Rassoshanska, Erika; Dunthorn, Micah (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Ciliates have a long history of being central in evolutionary and ecological studies on eukaryotic microorganisms. Although thousands of species have been discovered, their total diversity still remains unknown. Here, we ...
  • The Gardnos structure : the impactites, sedimentary deposits and post-impact history 
    Kalleson, Elin (Doctoral thesis / Doktoravhandling, 2009)
    The Gardnos structure in Hallingdal, Norway is an eroded impact crater, presently consisting of impactites and crater infill sediments exposed within a roughly circular area of about five km diameter. Investigations in ...
  • Generic Ecological Impact Assessment of Alien Species (GEIAA): the third generation of assessments in Norway 
    Sandvik, Hanno; Hilmo, Olga; Finstad, Anders Gravbrøt; Hegre, Hanne; Moen, Toril Loennechen; Rafoss, Trond; Skarpaas, Olav; Elven, Reidar; Sandmark, Helge; Gederaas, Lisbeth (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The Generic Ecological Impact Assessment of Alien Species (GEIAA) is described. It comprises a set of criteria and an assessment procedure. The set of criteria consists of three criteria that quantify invasion potential, ...
  • Genetic differentiation within and between bird populations : taxonomic and phylogeographic implications 
    Marthinsen, Gunnhild (Doctoral thesis / Doktoravhandling, 2007)
    The mapping of genealogical relationships between individuals, populations, subspecies and species is important for studies of evolutionary processes and biodiversity, and for conservation decisions. In this thesis, I have ...
  • Genetic divergence, reproductive isolation and the early stages of speciation 
    Hogner, Silje (Doctoral thesis / Doktoravhandling, 2012)
    The process of speciation is the splitting of single populations into two or more distinct, reproductively isolated taxa. Common modes of speciation are sympatric, allopatric and parapatric speciation, with speciation in ...
  • Genetic diversity and sperm characteristics are not associated in two bluethroat (Luscinia svecica) populations 
    Johnsen, Arild; Dobbe, Kristine; Sætre, Camilla Lo Cascio; Eybert, Marie-Christine; Marquet, Matthieu; Bonnet, Patrick; Cramer, Becky (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Individual heterozygosity may influence the expression of fitness‐related traits, via genome‐wide or local genetic effects. Earlier studies have shown negative relationships between heterozygosity and sperm variation, ...
  • Genetic diversity of historical Atlantic walruses (Odobenus rosmarus rosmarus) from Bjørnøya and Håøya (Tusenøyane), Svalbard, Norway 
    Lindqvist, Charlotte; Roy, Tilottama; Lydersen, Christian; Kovacs, Kit M; Aars, Jon; Wiig, Øystein; Bachmann, Lutz (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Background The population size of Atlantic walruses (Odobenus rosmarus rosmarus) is depleted relative to historical abundance levels. In Svalbard, centuries of over-exploitation brought the walrus herds to ...
  • Genetic structure and evolution of diploid Cochlearia in Iceland 
    Olsen, Luka Natassja; Brandrud, Marie Kristine; Mandáková, Terezie; Lysak, Martin A; Bjorå, Charlotte Sletten; Cires, Eduardo; Nordal, Inger; Brysting, Anne Krag (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Abstract In northern European Cochlearia (Brassicaceae), considerable chromosome variation has taken place without corresponding morphological differentiation, resulting in an intricate species complex including ...
  • Genetic structuring, dispersal and taxonomy of the high-alpine populations of the Geranium arabicum/kilimandscharicum complex in tropical eastern Africa 
    Wondimu, Tigist; Gizaw, Abel; Tusiime, Felly Mugizi; Masao, Catherine; Abdi, Ahmed Abdikhadir; Hou, Yan; Nemomissa, Sileshi; Brochmann, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The scattered eastern African high mountains harbor a renowned and highly endemic flora, but the taxonomy and phylogeographic history of many plant groups are still insufficiently known. The high-alpine populations of the ...
  • Genetics of cryptic speciation within an arctic Mustard, Draba nivalis 
    Gustafsson, A Lovisa S; Skrede, Inger; Rowe, Heather C.; Gussarova, Galina; Borgen, Liv; Rieseberg, Loren; Brochmann, Christian; Parisod, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2014)
    Crossing experiments indicate that hybrid sterility barriers frequently have developed within diploid, circumpolar plant species of the genus Draba. To gain insight into the rapid evolution of postzygotic reproductive ...
  • Genome fluctuations in cyanobacteria reflect evolutionary, developmental and adaptive traits 
    Larsson, John; Nylander, Johan A; Bergman, Birgitta (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2011)
    Background Cyanobacteria belong to an ancient group of photosynthetic prokaryotes with pronounced variations in their cellular differentiation strategies, physiological capacities and choice of habitat. ...
  • Genome sequencing and de novo assembly of the giant unicellular alga Acetabularia acetabulum 
    Andresen, Ina Jungersen; Orr, Russell; Krabberød, Anders Kristian; Shalchian-Tabrizi, Kamran; Bråte, Jon (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The macroscopic single-celled green alga Acetabularia acetabulum has been a model system in cell biology for more than a century. However, no genomic information is available from this species. Since the alga has ...
  • Genome-wide phylogeography reveals cryptic speciation in the circumglobal planktonic calcifier Limacina bulimoides 
    Choo, Le Qin; Spagliardi, G; Malinsky, M; Choquet, Marvin; Goetze, Erica; Hoarau, Galice Guillaume; Peijnenburg, Katja T.C.A. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    Abstract Little is known about when and how planktonic species arise and persist in the open ocean without apparent dispersal barriers. Pteropods are planktonic snails with thin shells susceptible to dissolution that are ...
  • Genomes of Extinct Pleistocene Siberian Wolves Provide Insights into the Origin of Present-Day Wolves 
    Ramos Madrigal, Jazmín; Sinding, Mikkel Holger Strander; Carøe, Christian; Mak, Sarah S.T.; Niemann, Jonas; Samaniengo Casruita, Jose A; Fedorov, Sergey; Kandyba, Alexander; Germonpré, Mietje; Bocherens, Herve; Feuerborn, Tatiana R.; Pitulko, Vladimir V.; Pavlova, Elena Y.; Nikolskiy, Pavel A.; Kasparov, Aleksei K.; Ivanova, Varvara V.; Larson, Greger; Frantz, Laurent A.F.; Willerslev, Eske; Meldgaard, Morten; Petersen, Bent; Sicheritz-Ponten, Thomas; Bachmann, Lutz; Wiig, Øystein; Hansen, Anders J.; Gilbert, M. Thomas P.; Gopalakrishnan, Shyam (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Extant Canis lupus genetic diversity can be grouped into three phylogenetically distinct clades: Eurasian and American wolves and domestic dogs.1 Genetic studies have suggested these groups trace their origins to a wolf ...
  • Genomic evidence of speciation reversal in ravens 
    Kearns, Anna Marika; Restani, Marco; Szabo, Ildiko; Schrøder-Nielsen, Audun; Kim, Jin Ah; Richardson, Hayley M.; Marzluff, John M.; Fleischer, Robert C.; Johnsen, Arild; Omland, Kevin E. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    Many species, including humans, have emerged via complex reticulate processes involving hybridisation. Under certain circumstances, hybridisation can cause distinct lineages to collapse into a single lineage with an admixed ...