Sökning: "Forest sector"

Visar resultat 21 - 25 av 80 avhandlingar innehållade orden Forest sector.

  1. 21. Safety interventions in Swedish small-scale forestry

    Författare :Björn Edlund; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : In private non-industrial forestry, self-employed work has long been associated with high risks for injuries. This thesis is based on four studies that focused on two of the major high-risk activities in this sector in Sweden: two on felling, de-limbing and bucking trees with a chainsaw; and two on off-road use of quad bikes. LÄS MER

  3. 22. Cultural oak landscapes as green infrastructure for human well-being

    Författare :Pablo Garrido; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : Human and nature interactions have been the ancestral normative model to provide and secure livelihoods worldwide. Hence, humans have been coevolving in an intrinsic relation with the natural system until medieval times. LÄS MER

  4. 23. Post-Mining Restoration in Zambia : Screening native tree species for phytoremediation potential

    Författare :Emma Sandell Festin; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Africa has a long history of mining, which has generated a large amount of wastes (tailings dams and overburden materials) that are hazardous for the environment and human health. Phytoremediation, which involves the use of plants and microorganisms to reduce the toxic effects of heavy metals in the soil environment, is considered an efficient, eco-friendly and cost-effective restoration method. LÄS MER

  5. 24. Barriers to change? : understanding the institutional hurdles in the Russian forest sector

    Författare :Mats-Olov Olsson; Luleå tekniska universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Political Science; Statsvetenskap;

    Sammanfattning : The ongoing transformation of the Russian society largely consists in changes in the institutional framework constraining actors' behavior in the emerging market economy. While we have a substantial knowledge about the functioning of a market economy we know very little about how to create such a system. LÄS MER

  7. 25. Remote Sensing of Forest Decline in the Czech Republic

    Författare :Jonas Ardö; Institutionen för naturgeografi och ekosystemvetenskap; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Czech Republic; neural networks; sulphur dioxide; air pollution; Norway spruce; deforestation; forest decline; GIS; spectral characteristics; Remote sensing; Landsat; Ore Mountains; Geology; physical geography; Geologi; fysisk geografi;

    Sammanfattning : This thesis describes the localisation and quantification of deforestation and forest damage in Norway spruce forests in northern Czech Republic using Landsat data. Severe defoliation increases the spectral reflectance in all wavelength bands, especially in the mid infrared region. LÄS MER