Search for dissertations about: "stump treatment"

Showing result 1 - 5 of 14 swedish dissertations containing the words stump treatment.

  2. 1. Effects of stump harvesting and site preparation on mercury mobilization and methylation

    Author : Karin Eklöf; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : Mercury (Hg) is an element of major concern in boreal freshwater ecosystems, due to high concentrations of Hg in fish. Forestry operations have been reported to increase the concentrations and loads of Hg to surface waters. READ MORE

  4. 2. Impact of Heterobasidion spp. root rot in conifer trees and assessment of stump treatment : with emphasis on Picea abies, Pinus sylvestris and Larix × eurolepis

    Author : Liying Wang; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : In the thesis four studies were conducted to understand the impact of Heterobasidion spp. on Picea abies, Pinus sylvestris, and Larix × eurolepis in southern Sweden, and the efficacy of stump treatment against infection in order to economically assess control measures. The ability of secondary spread of H. READ MORE

  5. 3. Major lower limb amputation in peripheral arterial disease : treatment outcome, risk factors, and health-related quality of life

    Author : Eva Torbjörnsson; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Critical limb ischemia is the end stage of peripheral arterial disease. These patients have a high risk of amputation and death regardless of revascularization. One of the most important questions for the patient and the surgeon is the risk of amputation despite a revascularization attempt. READ MORE

  6. 4. Stumps as fuel : the influence of handling method on fuel quality

    Author : Erik Anerud; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : Wood fuels make a key contribution to renewable energy sources in the Nordic countries. The growing demand for forest biomass can be partly met by utilising energy-rich stumps left after clear cutting. As fuel, stump wood is commonly associated with a high presence of contaminants, resulting in high ash content. READ MORE

  7. 5. Establishment of Heterobasidion annosum s.l. infections in young Norway spruce dominated stands : implications for silviculture

    Author : Anna Gunulf; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Keywords : LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Abstract : One of the worst pathogens on Norway spruce, Heterobasidion annosum s.l., can establish in previously healthy trees by spores landing on freshly made stumps from where mycelia can grow via root grafts and contacts to the adjacent tree. READ MORE