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  • 1.
    Berglund, Håkan
    et al.
    Dept of Ecology, SLU Uppsala.
    O'Hara, Robert
    Dept of Mathematics and Statistics, Helsinki University.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Quantifying habitat requirements of tree-living species in fragmented boreal forests with Bayesian methods2009In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 23, no 5, 1127-1137 p.Article in journal (Refereed)
    Abstract [en]

    Quantitative conservation objectives require detailed consideration of the habitat requirements of target species. Tree-living bryophytes, lichens, and fungi are a critical and declining biodiversity component of boreal forests. To understand their requirements, Bayesian methods were used to analyze the relationships between the occurrence of individual species and habitat factors at the tree and the stand scale in a naturally fragmented boreal forest landscape. The importance of unexplained between-stand variation in occurrence of species was estimated, and the ability of derived models to predict species' occurrence was tested. The occurrence of species was affected by quality of individual trees. Furthermore, the relationships between occurrence of species at the tree level and size and shape of stands indicated edge effects, implying that some species were restricted to interior habitats of large, regular stands. Yet for the habitat factors studied, requirements of many species appeared similar. Species occurrence also varied between stands; most of the seemingly suitable trees in some stands were unoccupied. The models captured most variation in species occurrence at tree level. They also successfully accounted for between-stand variation in species occurrence, thus providing realistic simulations of stand-level occupancy of species. Important unexplained between-stand variation in species occurrence warns against a simplified view that only local habitat factors influence species' occurrence. Apparently, similar stands will host populations of different sizes due to historical, spatial, and stochastic factors. Thus, habitat suitability cannot be assessed simply by population sizes, and stands lacking a species may still provide suitable habitat and merit protection.

     

  • 2.
    Dellasala, D.A.
    et al.
    Geos Institute, 84-4th St., Ashland, OR 97420, United States.
    Fitzgerald, J
    1017 O St., NW, Washington, D.C. 20001, United States.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of applied science and design.
    McNeely, J
    International Union for Conservation of Nature (IUCN), 28 Rue Mauverney, 1196 Gland, Switzerland.
    Dovie, B
    School of Animal Plant and Environmental Sciences, Wits University, Wits 2050, South Africa.
    Dieterich, M
    Institute for Landscape and Vegetation Ecology (320), University of Hohenheim, D-70593 Stuttgart, Germany.
    Majluf, P
    Center for Environmental Sustainability, Cayetano Heredia University, Armendáriz 445, Lima 18, Peru.
    Nemtzov, S
    Israel Nature and Parks Authority, 3 Am Ve'Olamo Street, Jerusalem 95463, Israel.
    Nevin, O
    National School of Forestry, University of Cumbria, Penrith, CA11 0AH, United Kingdom.
    Parsons, E
    Department of Environmental Science and Policy, George Mason University, Fairfax, VA 22030, United States.
    Watson, J
    University of Queensland, Ecology Centre, Qld 4072, Australia.
    Priority Actions for Sustainable Forest Management in the International Year of Forests2012In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 26, no 3, 572-575 p.Article in journal (Refereed)
  • 3. Hylander, K
    et al.
    Nilsson, Christer
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Gothner, T
    Effects of buffer-strip retention and clearcutting on land snails in boreal riparian forests2004In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 18, no 4, 1052-1062 p.Article in journal (Refereed)
    Abstract [en]

    We investigated the short-term effects of forest clearcutting on land snails (terrestrial gastropods) in 15 forest stands along small streams in Sweden. Two different silvicultural treatments were applied at each site: clearcutting across the stream channel and buffer strips 10 m wide on each side of the stream. Additionally, we studied 10 reference sites in unlogged riparian forests along similar-sized streams. All sites were studied before logging and then 2.5 years after logging. After clearcutting the number of individuals in a 0.5-m(2) sample from each site decreased on average from 107 to 87, and the mean number of species per sample decreased from 9.9 to 7.7. Most species were negatively affected, but there were also clear differences in sensitivity. There were correlations between species survival and ground moisture. At the wettest clearcut sites with an almost intact bryophyte cover, the land snails were unaffected by clearcutting. This result suggests that wet or moist forest floors can serve as refugia even at very small spatial scales (e.g., shallow hollows, crevices). If this is an important mechanism, the spatial distribution of small habitats could be important for the long-term survival of the snail fauna or other small, dispersal-limited organisms at clearcut sites. In the buffer strips, the number of individuals decreased but not the number of species, indicating that buffer-strip retention is a good practice for protecting land snails in riparian forests. The varying effectiveness of the buffer strip could partly be explained by the proportion of the remaining basal area, emphasizing that buffer strips could be even more effective if efforts are made to avoid heavy damage by windthrows.

  • 4.
    Laikre, Linda
    et al.
    Stockholms Univ.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Wanted: Scientists in the CBD process: Letter to the editor2008In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 22, 814-815 p.Article in journal (Other academic)
  • 5.
    Lundquist, Carolyn J.
    et al.
    Natl Inst Water & Atmospher Res Ltd, Hamilton 3251, New Zealand.;Univ Auckland, Inst Marine Sci, Auckland 1142, New Zealand..
    Baldi, Andras
    MTA Ctr Ecol Res, H-2163 Vacratot, Hungary..
    Dieterich, Martin
    Univ Hohenheim, Inst Landscape & Vegetat Plant Ecol Landscape Eco, D-70599 Stuttgart, Germany..
    Gracey, Kyle
    Carnegie Mellon Univ, Dept Engn & Publ Policy, Pittsburgh, PA 15213 USA..
    Kovacs, Eszter Krasznai
    Univ Cambridge, Dept Geog, Cambridge CB2 3EN, England..
    Schleicher, Judith
    Univ Cambridge, Dept Geog, Cambridge CB2 3EN, England..
    Skorin, Teuta
    Assoc Lijepa Nasa, Zagreb 10000, Croatia..
    Sterling, Eleanor
    Amer Museum Nat Hist, Ctr Biodivers & Conservat, New York, NY 10024 USA..
    Jonsson, Bengt-Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences. Mid Sweden Univ, Dept Nat Sci, SE-85170 Sundsvall, Sweden..
    Engaging the conservation community in the IPBES process2015In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 29, no 6, 1493-1495 p.Article in journal (Other academic)
  • 6.
    Pe'er, G.
    et al.
    UFZ-Helmholtz Centre for Environmental Research, Department of Conservation Biology, Permoserstr. 15, Leipzig, 04318, Germany.
    Mcneely, J. A.
    Cornell University, Rue Mauverney 28, 1196 Gland, Ithaca, NY, 14850, United States.
    Dieterich, M.
    University of Hohenheim, Institute for Landscape and Vegetation Ecology, August von Hartmannstr. 3, D-70599 Stuttgart, Germany.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
    Selva, N.
    Institute of Nature Conservation, Polish Academy of Sciences, Mickiewicza 33, 31-120 Krakow, Poland.
    Fitzgerald, J. M.
    Society for Conservation Biology, 1017 O Street, N.W., Washington, DC 20001, United States.
    Nesshöver, C.
    UFZ-Helmholtz Centre for Environmental Research, Department of Conservation Biology, Permoserstr. 15, Leipzig, 04318, Germany.
    IPBES: Opportunities and Challenges for SCB and Other Learned Societies2013In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 27, no 1, 1-3 p.Article in journal (Refereed)
  • 7.
    Villard, Marc-André
    et al.
    Universty of Moncton, Canada.
    Jonsson, Bengt Gunnar
    Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences, Engineering and Mathematics.
    Biodiversity as Patient: Diagnoses and Treatment: Letter2009In: Conservation Biology, ISSN 0888-8892, E-ISSN 1523-1739, Vol. 23, no 1, 3-4 p.Article in journal (Other academic)
1 - 7 of 7
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