Sökning: "Forests"

Visar resultat 6 - 10 av 488 avhandlingar innehållade ordet Forests.

  1. 6. Forests and Greenhouse gases. Fluxes of CO2, CH4 and N2O from drained forests on organic soils

    Författare :Karin von Arnold; Leif Klemedtsson; Mats Nilsson; Björn Hånell; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Greenhouse gases; GHG; fluxes of CO2; CH4; drained forests; organic soils; Skogsbotanik; miljöaspekter; växthusgaser; Water in nature and society; Vatten i natur och samhälle;

    Sammanfattning : One of the largest environmental threats believed to be facing us today is global warming due to the accumulation of green house gases (GHG). The concentrations of GHG in the atmosphere are a result of the net strength of different sinks and sources. LÄS MER

  3. 7. Deciduous forest vegetation in Boreo-nemoral Scandinavia

    Författare :Martin Diekmann; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Forest vegetation; Vegetation ecology; Oligotrophic oak forests; Mesotrophic mixed deciduous forests; Eutrophic elm-ash forests; Eutrophic alder-ash forests; Ekologi; Skogar;

    Sammanfattning : .... LÄS MER

  4. 8. Skog, makt och människor. En miljöhistoria om svensk skog 1800-1875

    Författare :Per Eliasson; Historia; []
    Nyckelord :HUMANIORA; HUMANITIES; forest commons; science of forestry; forest crimes; desiccation; silviculture; environmental history; forests; Silviculture; forestry; forestry technology; Skogsvetenskap; skogsbruk; skogsteknik;

    Sammanfattning : The aim of this dissertation is to investigate how and why silviculture was introduced in Sweden in the nineteenth century and the consequences this introduction had during the same period. The term silviculture refers to the systematic cultivation of high forest, a method that spread from Germany at the end of the eighteenth century. LÄS MER

  5. 9. Spatial and Economic Values of Ecosystem Services : The Case of Sweden's Forests

    Författare :Carl Nolander; Robert Lundmark; Dimitris Athanassiadis; Luleå tekniska universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economics; Nationalekonomi;

    Sammanfattning : The objective of this licentiate thesis is to determine the value of ecosystem services and their relative importance, and to develop methods to weight these benefits against the market value of timber and other uses for forests. These issues are addressed in two papers with a focus on spatial modeling of ecosystem services and the method of benefit transfer. LÄS MER

  7. 10. To do or not to do : dealing with the dilemma of intervention in Swedish nature conservation

    Författare :Anders Steinwall; Katarina Eckerberg; Anna Zachrisson; David Feltenius; Arjen Buijs; Umeå universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Protected area management; nature conservation; ecological restoration; biological diversity; discourse; institutionalization; forests; white-backed woodpecker; policy struggle; nature values; statskunskap; political science;

    Sammanfattning : Nature conservation is often seen as being primarily about shielding parts of nature from human intervention, e.g. by protecting areas. Over the last decades, however, intervention is increasingly being seen as necessary for nature to regain or retain its values, through ecological restoration and active management. LÄS MER