Browsing Museene by Author "Brochmann, Christian"

Now showing items 1-20 of 23

  • Afro-alpine flagships revisited II: elucidating the evolutionary relationships and species boundaries in the giant senecios (Dendrosenecio, Asteraceae) 
    Gizaw, Abel; Gorospe, Juan Manuel; Kandziora, Martha; Chala, Desalegn; Gustafsson, A Lovisa S; Zergabachew, Abush Zinaw; Salomón, Luciana; Eilu, Gerald; Brochmann, Christian; Kolár, Filip; Schmickl, Roswitha (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2021)
    Alpine plant radiations are common across all major mountain systems of the world, and have been regarded as the main explanation for the species diversity found within these areas. To study the mechanisms behind the origin ...
  • Afro-alpine flagships revisited: Parallel adaptation, intermountain admixture and shallow genetic structuring in the giant senecios (Dendrosenecio) 
    Tusiime, Felly Mugizi; Seid, Abel Gizaw; Gusarova, Galina; Nemomissa, Sileshi; Popp, Magnus; Masao, Catherine Aloyce; Wondimu, Tigist; Mirré, Virginia; Muwanika, Vincent; Eilu, Gerald; Brochmann, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Distantly related lineages of the enigmatic giant rosette plants of tropical alpine environments provide classical examples of convergent adaptation. For the giant senecios (Dendrosenecio), the endemic landmarks of the ...
  • Ancient environmental DNA reveals shifts in dominant mutualisms during the late Quaternary 
    Zobel, Martin; Davison, John; Edwards, Mary E.; Brochmann, Christian; Coissac, Eric; Taberlet, Pierre; Willerslev, Eske; Moora, Mari (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    DNA-based snapshots of ancient vegetation have shown that the composition of high-latitude plant communities changed considerably during the late Quaternary. However, parallel changes in biotic interactions remain largely ...
  • Colonization and diversification in the African ‘sky islands’: insights from fossil-calibrated molecular dating of Lychnis (Caryophyllaceae). 
    Gizaw, Abel; Brochmann, Christian; Nemomissa, Sileshi; Wondimu, Tigist; Masao, Catherine; Tusiime, Felly Mugizi; Abdi, Ahmed Abdikhadir; Oxelman, Bengt; Popp, Magnus; Dimitrov, Dimitar (Journal article / Tidsskriftartikkel / SubmittedVersion, 2016)
    The flora on the isolated high African mountains or ‘sky islands’ is remarkable for its peculiar adaptations, local endemism and striking biogeographical connections to remote parts of the world. Ages of the plant lineages ...
  • DNA metabarcoding reveals diet overlap between the endangered walia ibex and domestic goats - Implications for conservation 
    Mewicha, Berihun Gebremedhin; Flagstad, Øystein; Bekele, Afework; Gelete, Desalegn Chala; Bakkestuen, Vegar; Boessenkool, Sanne; Popp, Magnus; Gusarova, Galina; Schrøder-Nielsen, Audun; Nemomissa, Sileshi; Brochmann, Christian; Stenseth, Nils Christian; Epp, Laura (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    Human population expansion and associated degradation of the habitat of many wildlife species cause loss of biodiversity and species extinctions. The small Simen Mountains National Park in Ethiopia is one of the last ...
  • 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 ...
  • Good-bye to tropical alpine plant giants under warmer climates? Loss of range and genetic diversity in Lobelia rhynchopetalum 
    Gelete, Desalegn Chala; Brochmann, Christian; Psomas, Achilleas; Ehrich, Dorothee; Gizaw, Abel; Masao, Catherine; Bakkestuen, Vegar; Zimmermann, Niklaus E (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
    The main aim of this paper is to address consequences of climate warming on loss of habitat and genetic diversity in the enigmatic tropical alpine giant rosette plants using the Ethiopian endemic Lobelia rhynchopetalum as ...
  • Highly overlapping winter diet in two sympatric lemming species revealed by DNA metabarcoding 
    Soininen, Eeva M; Gauthier, Gilles; Bilodeau, Frederic; Berteaux, Dominique; Gielly, Ludovic; Taberlet, Pierre; Gussarova, Galina; Bellemain, Eva; Hassel, Kristian; Stenøien, Hans K.; Epp, Laura; Schrøder-Nielsen, Audun; Brochmann, Christian; Yoccoz, Nigel Gilles (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Sympatric species are expected to minimize competition by partitioning resources, especially when these are limited. Herbivores inhabiting the High Arctic in winter are a prime example of a situation where food availability ...
  • History and evolution of the afroalpine flora: in the footsteps of Olov Hedberg 
    Brochmann, Christian; Gizaw, Abel; Chala, Desalegn; Kandziora, Martha; Eilu, Gerald; Popp, Magnus; Pirie, Michael David; Gehrke, Berit (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The monumental work of Olov Hedberg provided deep insights into the spectacular and fragmented tropical alpine flora of the African sky islands. Here we review recent molecular and niche modelling studies and ...
  • ITS as an environmental DNA barcode for fungi: an in silico approach reveals potential PCR biases 
    Bellemain, Eva; Carlsen, Tor; Brochmann, Christian; Coissac, Eric; Taberlet, Pierre; Kauserud, Håvard (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2010)
    Background During the last 15 years the internal transcribed spacer (ITS) of nuclear DNA has been used as a target for analyzing fungal diversity in environmental samples, and has recently been selected as ...
  • Long-distance plant dispersal to North Atlantic islands: colonization routes and founder effect 
    Alsos, Inger Greve; Ehrich, Dorothee; Eidesen, Pernille Bronken; Solstad, Heidi Merethe; Westergaard, Kristine Bakke; Schonswetter, Peter; Tribsch, Andreas; Birkeland, Siri; Elven, Reidar; Brochmann, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2015)
    Long-distance dispersal (LDD) processes influence the founder effect on islands.We use genetic data for 25 Atlantic species and similarities among regional floras to analyse colonization, and test whether the genetic founder ...
  • Mating system and speciation I: Accumulation of genetic incompatibilities in allopatry 
    Marie-Orleach, Lucas; Brochmann, Christian; Glémin, Sylvain (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Self-fertilisation is widespread among hermaphroditic species across the tree of life. Selfing has many consequences on the genetic diversity and the evolutionary dynamics of populations, which may in turn affect ...
  • Migration corridors for alpine plants among the `sky islands? of eastern Africa: do they, or did they exist? 
    Chala, Desalegn; Zimmermann, Niklaus E.; Brochmann, Christian; Bakkestuen, Vegar (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    The tropical alpine ecosystem in eastern Africa is highly fragmented among biological ‘sky islands’, where populations of frost-tolerant organisms are isolated from each other by a ‘sea’ of tropical lowlands. One-third of ...
  • Multiple Genetic Trajectories to Extreme Abiotic Stress Adaptation in Arctic Brassicaceae 
    Birkeland, Siri; Gustafsson, A Lovisa S; Brysting, Anne Krag; Brochmann, Christian; Nowak, Michael (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract Extreme environments offer powerful opportunities to study how different organisms have adapted to similar selection pressures at the molecular level. Arctic plants have adapted to some of the coldest ...
  • Phylogeographic history and taxonomy of some afro-alpine grasses assessed based on AFLPs and morphometry: Deschampsia cespitosa, D. angusta and Koeleria capensis 
    Masao, Catherine A.; Gizaw, Abel; Piñeiro, Rosalia; Tusiime, Felly M.; Wondimu, Tigist; Abdi, Ahmed A.; Popp, Magnus; Gussarova, Galina; Lye, Kåre; Munishi, Pantaleo; Nemomissa, Sileshi; Brochmann, Christian (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2013)
    Phylogeographic studies in the high mountains of Africa are hampered by the limited material available, resulting in insufficient knowledge of taxonomic variation within and among closely related species. Here, we address ...
  • Quest for new space for restricted range mammals: the case of the endangered Walia ibex 
    Gebremedhin, Berihun; Chala, Desalegn; Flagstad, Øystein; Bekele, Afework; Bakkestuen, Vegar; Van Moorter, Bram; Ficetola, Gentile Francesco; Zimmermann, Niklaus E.; Brochmann, Christian; Stenseth, Nils Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Populations of large mammals have declined at alarming rates, especially in areas with intensified land use where species can only persist in small habitat fragments. To support conservation planning, we developed habitat ...
  • Rapid evolution of post-zygotic reproductive isolation is widespread in Arctic plant lineages 
    Gustafsson, A Lovisa S; Gusarova, Galina; Borgen, Liv; Ikeda, Hajime; Antonelli, Alexandre; Marie-Orleach, Lucas; Rieseberg, Loren h; Brochmann, Christian (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract Background and Aims The Arctic tundra, with its extreme temperatures and short growing season, is evolutionarily young and harbours one of the most species-poor floras on Earth. ...
  • 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 ...
  • Sweet vernal grasses (Anthoxanthum) colonized African mountains along two fronts in the Late Pliocene, followed by secondary contact, polyploidization and local extinction in the Pleistocene 
    Tusiime, Felly Mugizi; Gizaw, Abel; Wondimu, Tigist; Masao, Catherine; Abdi, Ahmed Abdikhadir; Muwanika, Vincent; Travnicek, Pavel; Nemomissa, Sileshi; Popp, Magnus; Eilu, Gerald; Brochmann, Christian; Pimentel, Manuel (Journal article / Tidsskriftartikkel / SubmittedVersion, 2017)
    High tropical mountains harbour remarkable and fragmented biodiversity thought to a large degree to have been shaped by multiple dispersals of cold-adapted lineages from remote areas. Few dated phylogenetic/phylogeographic ...