Essays about: "retention forestry"

Showing result 21 - 25 of 28 essays containing the words retention forestry.

  1. 21. Jämförelse av alternativa skogsskötselmetoder med hänsyn till virkesuttagsmöjligheter

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Marcus Larsson ; Daniel Persson; [2014]
    Keywords : naturvärden; Heureka Planwise; alternativ skötsel; virkesuttag; skoglig planering;

    Abstract : Miljön och naturvärden blir en allt viktigare faktor inom skogsbruket samtidigt som samhället vill utnyttja alla tillgängliga resurser. Detta leder till att skogsbolag och skogsägare letar efter skötselalternativ och metoder som möjliggör virkesuttag samtidigt som dessa ska bibehålla/gynna skogens naturvärden. READ MORE

  3. 22. Propensity of bed materials used in dual fluidized beds to retain ash-forming elements from biomass fuels

    University essay from SLU/Dept. of Energy and Technology

    Author : Björn Folkeson; [2014]
    Keywords : fluidized bed; ash retention; gasification; combustion; bed material;

    Abstract : The main aim of this work was to investigate the propensity of bed materials to retain ash-forming elements from biomass under conditions relevant to dual fluidized bed gasification (DFBG). The investigation was carried out in a laboratory-scale bubbling fluidized bed reactor in which biomass was gasified with steam and the unconverted char was combusted in the temperature range 800–900 ° C. READ MORE

  4. 23. Propensity of bed materials used in dual fluidized beds to retain ash-forming elements from biomass fuels

    University essay from

    Author : Björn Folkeson; [2014]
    Keywords : Fluidized bed; ash retention; gasification; combustion; bed material; Fluidiserad bädd; askämnen; förgasning; förbränning; bäddmaterial;

    Abstract : The main aim of this work was to investigate the propensity of bed materials to retain ash-forming elements from biomass under conditions relevant to dual fluidized bed gasification (DFBG). The investigation was carried out in a laboratory-scale bubbling fluidized bed reactor in which biomass was gasified with steam and the unconverted char was combusted in the temperature range 800–900 ° C. READ MORE

  5. 24. Visualisering – ett verktyg för att illustrera långsiktiga konsekvenser av slutavverkning och naturhänsyn

    University essay from SLU/Dept. of Forest Resource Management

    Author : Jonas Jonzen ; [2011]
    Keywords : PlanWise; Visual Nature Studio; teknik; naturhänsyn; skogsbruk; visualisering;

    Abstract : Forestry in Sweden is currently conducted in a manner aiming at equating the production objectives and the biodiversity. To ensure that biodiversity is maintained, patches that are considered to be valuable now or in the future is saved in final fellings. How the tree retention areas will grow into the future forest stands is yet unknown. READ MORE

  6. 25. Har antalet naturvärdesträd i Sverige förändrats mellan 1999-2009?

    University essay from SLU/Dept. of Ecology

    Author : Ida Karlsson; [2010]
    Keywords : naturvärdesträd; generell hänsyn; 30 § SVL;

    Abstract : Forestry and forest products are vital components of the Swedish economy but the forest is also important for recreation, hunting, out-door life and conserving biodiversity. The Swedish Forest Act has two equally important objectives, production and environmental protection. READ MORE