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  • 1.
    Auno, Ulrika
    et al.
    Mid Sweden University.
    Bång, Åsa
    Mid Sweden University.
    Lead Teachers - a Swedish reform for developing quality in education and school improvement2016In: Leading education: The Distinct Contributions of Educational Research and Researchers, 2016Conference paper (Refereed)
  • 2.
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Genetic variation and gene flow in riparian populations of Filipendula ulmaria2007Doctoral thesis, comprehensive summary (Other academic)
  • 3.
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Go with the flow?: Filipendula ulmaria, a common riparian plant species2006Licentiate thesis, comprehensive summary (Other academic)
  • 4.
    Bång, Åsa
    et al.
    Mid Sweden University.
    Auno, Ulrika
    Mid Sweden University.
    Boström, Lena
    Mid Sweden University, Faculty of Human Sciences, Department of Education.
    Förstelärare – en kvalitetsdrivande reform?2016In: Att leda mot skolans mål / [ed] Johansson, O. & Svedberg, L., Malmö: Gleerups Utbildning AB, 2016, 2, p. 247-260Chapter in book (Other academic)
  • 5.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Nilsson, Christer
    Control of plant species diversity in riparian corridors: Konferens OIKOS 20022002Conference paper (Other academic)
    Abstract [en]

    previous study has shown that plant communities differ floristically between impoundments but remain similar within impoundments in a regulated river. The same pattern did not occur among plant species in a free-flowing river which instead showed a continuous change in species composition from the headwaters to the coast. This strongly suggests that the dispersal of plants is obstructed when dams are built on rivers. The present project will specifically study whether dams also affect the genetic diversity among and between populations of plant species. Filipendula ulmaria will be used as a first test species. A second question is whether tributaries have any impact on the distribution of genetic diversity of plant species within impoundments. A third question deals with the impact of seed and pollen dispersal on the genetic diversity among and between plant species populations. The project combines field sampling, field experiments and laboratory methods such as isoenzymes, microsatellites and other DNA-methods.

  • 6.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Effects of pollination distance on reproductive success in Filipendula ulmariaManuscript (preprint) (Other academic)
  • 7.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Equal seed set and germination rate over distance and indication of self incompatibility in artificial crosses of Filipendula ulmariaManuscript (Other academic)
  • 8.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Jägbrant, Veronica
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Spatial genetic structure of a common riparian plant species, Meadowsweet (Filipendula ulmaria) in northern SwedenManuscript (Other academic)
  • 9.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Jägbrant, Veronica
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Nilsson, Christer
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Differences in spatial genetic structure of riparian Filipendula ulmaria between an within river catchments in northern SwedenManuscript (preprint) (Other academic)
  • 10.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Nilsson, Christer
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    The potential role of tributaries as seed sources to an impoundment in northern Sweden: a field experiment with seed mimics2007In: Rivers Research and Applications: an international journal devoted to river research and management, ISSN 1535-1459, E-ISSN 1535-1467, Vol. 23, no 10, p. 1049-1057Article in journal (Refereed)
    Abstract [en]

    Fragmentation and flow regulation of rivers by large dams are known to obstruct the longitudinal dispersal of waterborne plant propagules between impoundments, and to affect plant community composition. However, even several decades after a dam has been built, impoundments may still have a relatively species-rich riparian flora. We hypothesized that free-flowing tributaries act as the major gene pools for such impoundments, thus alleviating the fragmenting effect large dams have on the main channel. The importance of tributaries as seed sources was tested by releasing wooden seed mimics in three different-sized (0.22-6.93 m3 s-1) tributaries of an impoundment in the Ume River in northern Sweden. In each tributary seed mimics were released, during the spring flood peak, from three points approximately 1, 2 and 3 km upstream the outlet in the impoundment. The importance of a tributary as a seed source increased with tributary size. Of the 9000 released seed mimics 1.5 % reached the impoundment; 1.2 % of the 9000 originated from the largest tributary and 0.3 % from the middle-sized one. The smallest tributary retained all its mimics.

  • 11.
    Bång, Åsa
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Nilsson, Christer
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    What is the role of tributaries as seed sources for a run-of-river impoundment: a field experiment: Konferens SISORL 20042004Conference paper (Other academic)
    Abstract [en]

    The reservoirs in impounded rivers are blocked by dams, implying that plant seeds, especially waterborne ones, have trouble dispersing between reservoirs. We examined whether the tributaries have an important role in the dispersal of seeds to a specific reservoir. We did this by releasing small, coloured wooden cubes in three tributaries of the Stensele reservoir in northern Sweden, one small, one middle-sized and one large-sized. This work was carried out in spring during major flood. At the day of cube release, we counted the number of cubes that dispersed from the tributaries out into the reservoir. In summer, we collected the cubes that had stranded on the banks of the tributaries to learn how far they had spread within each stream. Our examinations showed that a big stream disperses most seeds the longest distance. The smaller the stream, the shorter the distance the seeds were spread, and the fewer the seeds that reached the reservoir. We concluded that large tributaries have an important role in dispersing plants to reservoirs of impounded rivers.

  • 12.
    Holm, Svante
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    High gene flow and differences in pollination pattern in a paternity analysis of a small riparian population of Filipendula ulmariaManuscript (preprint) (Other academic)
  • 13.
    Holm, Svante
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Paternity analysis in Filipendula ulmaria indicates high level of gene flow between populations, using AFLPManuscript (Other academic)
  • 14. Kondolf, G. Mathias
    et al.
    Boulton, Andrew J.
    O'Daniel, Scott
    Poole, Geoffrey C
    Rahel, Frank J.
    Stanley, Emily H
    Wohl, Ellen
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Carlstrom, Julia
    Cristoni, Chiara
    Huber, Harald
    Koljonen, Saija
    Louhi, Paulina
    Nakamura, Geigo
    Process-based ecological river restoration: Visualizing three-dimensional connectivity and dynamic vectors to recover lost linkages2006In: Ecology & society, ISSN 1708-3087, E-ISSN 1708-3087, Vol. 11, no 2, p. 1-16, article id 5Article in journal (Refereed)
    Abstract [en]

    Human impacts to aquatic ecosystems often involve changes in hydrologic connectivity and flow regime. Drawing upon examples in the literature and from our experience, we developed conceptual models and used simple bivariate plots to visualize human impacts and restoration efforts in terms of connectivity and flow dynamics. Human-induced changes in longitudinal, lateral, and vertical connectivity are often accompanied by changes in flow dynamics, but in our experience restoration efforts to date have more often restored connectivity than flow dynamics. Restoration actions have included removing dams to restore fish passage, reconnecting flow through artificially cut-off side channels, setting back or breaching levees, and removing fine sediment deposits that block vertical exchange with the bed, thereby partially restoring hydrologic connectivity, i.e., longitudinal, lateral, or vertical. Restorations have less commonly affected flow dynamics, presumably because of the social and economic importance of water diversions or flood control. Thus, as illustrated in these bivariate plots, the trajectories of ecological restoration are rarely parallel with degradation trajectories because restoration is politically and economically easier along some axes more than others.

  • 15.
    Nilsson, Christer
    et al.
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Holm, Svante
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Control of plant species diversity in riparian corridors: Konferens ESEB 20032003Conference paper (Other academic)
    Abstract [en]

    previous study has shown that plant communities differ floristically between impoundments but remain similar within impoundments in a regulated river. The same pattern did not occur among plant species in a free-flowing river which instead showed a continuous change in species composition from the headwaters to the coast. This strongly suggests that the dispersal of plants is obstructed when dams are built on rivers. The present project will specifically study whether dams also affect the genetic diversity among and between populations of plant species. Filipendula ulmaria will be used as a first test species. A second question is whether tributaries have any impact on the distribution of genetic diversity of plant species within impoundments. A third question deals with the impact of seed and pollen dispersal on the genetic diversity among and between plant species populations. The project combines field sampling, field experiments and laboratory methods such as isoenzymes, microsatellites and other DNA-methods.

  • 16. Winka, Katarina
    et al.
    Eriksson, Ove E
    Bång, Åsa
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Molecular evidence for recognizing the Chaetothyriales 1998In: Mycologia, ISSN 0027-5514, Vol. 90, no 5, p. 822-830Article in journal (Refereed)
    Abstract [en]

    The 18S rRNA gene sequences from the bitunicate ascomycetes Ceramothyrium linnaeae (Chaetothyriaceae) and Coccodinium bartschii (Coccodiniaceae) were determined and aligned with the corresponding sequences from 33 other ascomycetes and one basidiomycete, Boletus satanas. Phylogenetic analyses of these sequences supported previous reports that the Herpotrichiellaceae (Capronia, black yeasts, etc.) are distant from Dothideales and Pleosporales. A new sequence of Ceramothyrium linnaeae, representing the family Chaetothyriaceae, is monophyletic with representatives of the Herpotrichiellaceae, suggesting that both families can be accommodated in the order Chaetothyriales. The concept of Chaetothyriales can not be based on the presence of periphysoids, since Coccodinium bartschii, which also has periphysoids, clustered with members of the Dothideaceae. The Chaetothyriales are not closely related to other bitunicates, but are the sister group of either Eurotiales or Lecanorales/Peltigerales.

1 - 16 of 16
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