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9 research outcomes, page 1 of 1
  • other research product . 2022
    Open Access English
    Authors:
    Lindgren, Nils; Olsson, Håkan; Nyström, Kenneth; Nyström, Mattias; Ståhl, Göran;
    Country: Sweden

    Airborne Laser Scanning (ALS) has implied a disruptive transformation of how data are gathered for forest management planning in Nordic countries. We show in this study that the accuracy of ALS predictions of growing stock volume can be maintained and even improved over...

  • other research product . 2016
    Open Access Swedish
    Authors:
    Granholm, Ann-Helen;
    Country: Sweden

    3D information extracted by image matching of aerial images, so called image-based point clouds, have been found to provide accurate vegetation height measurements. This has led to an increased interest from the vegetation mapping community, since aerial images are an a...

  • other research product . Other ORP type . 2015
    Open Access Swedish
    Authors:
    Nyström, Mattias; Lindgren, Nils; Wallerman, Jörgen; Ehlers, Sarah; Grafström, Anton; Muszta, Anders; Nyström, Kenneth; Willén, Erik; Fransson, Johan E.S.; Bohlin, Jonas; ...
    Country: Sweden

    As we are entering an era of increased supply of remote sensing data, we believe that dataassimilation that combines growth forecasts of previous estimates with new observations of thecurrent state has a large potential for keeping forest stand registers up to date (Ehl...

  • other research product . 2011
    Open Access English
    Authors:
    Hjelm, Birger;
    Country: Sweden

    Effective management of poplar plantations for high yield production would be facilitated by the availability of improved equations for predicting the taper and volume of poplar stems. Therefore, this thesis is based upon a polynomial stem taper equation and two volume ...

  • other research product . Other ORP type . 2010
    Open Access Swedish
    Authors:
    Hyvönen, Riitta; Ladanai, Svetlana; Persson, Tryggve; Eliasson, Peter; Linder, Sune; Ågren, Göran;
    Country: Sweden

    Nitrogen (N) fertilisation increases tree production in boreal forests, but it is poorly known how long the fertiliser effect will remain after the end of the fertilisation. We studied a Scots pine stand during 17 years of annual fertilisation with N and other nutrients...

  • other research product . Other ORP type . 2010
    Open Access
    Authors:
    Kärvemo, Simon;
    Country: Sweden

    During outbreak periods, the European spruce bark beetle and the North American mountain pine beetle are able to kill millions of coniferous trees. Throughout the 20th century, six outbreaks have occurred in Sweden and four in British Columbia, with about 20-year interv...

  • other research product . Other ORP type . 2009
    Open Access
    Authors:
    Björklund, Niklas;
    Country: Sweden

    Barkning är en klassisk metod för att motverka insektsangrepp i färskt barrvirke och på stående skog som ligger i anslutning till platser där sådant virke lagras. Förr barkades virke i stor omfattning då det lagrades i skogen under sommarhalvåret. Idag körs virket omgåe...

  • other research product . Other ORP type . 2009
    Open Access
    Authors:
    Bergsten, Urban; Nordfjell, Tomas; Sandström, Per; Valinger, Erik;
    Country: Sweden
  • other research product . Other ORP type . 2008
    Open Access
    Authors:
    International Union of Forestry Research Organizations, WP 6.08.01 Gender Reaearch in Forestry;
    Country: Sweden

    Background Climate change is influenced by a number of driving forces, due to human needs and activities, including people’s attitudes to forest and forestry. Thus, the combined society-forest system is under continuous change and the mutual dependency is large and mult...

9 research outcomes, page 1 of 1