Essays about: "markegenskaper"

Showing result 16 - 20 of 22 essays containing the word markegenskaper.

  1. 16. Hur koncentrationen tillgängligt markkväve i matjorden respektive alven varierar inom ett fält på våren beroende på jordens egenskaper

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Amanda Jansson; [2013]
    Keywords : ammoniumkväve; nitratkväve; fältvariation; markegenskaper; fältförsök;

    Abstract : Variationen i mängden lättlösligt markkväve inom fält på våren är stor och anledning till variat-ionen är svår att förklara. Syftet med denna undersökning var att ta reda på hur det lättlösliga kvävet i marken varierar på ett 20 ha stort fält i Halland. READ MORE

  3. 17. Impact of Eucalyptus plantations on pasture land on soil properties and carbon sequestration in Brazil

    University essay from SLU/Dept. of Soil and Environment

    Author : Manuela Ravina da Silva; [2012]
    Keywords : Brazil; land use changes; Eucalyptus; reforestation; SOC; carbon sequestration;

    Abstract : Soil organic carbon (SOC) stocks and fluxes in forest ecosystems are influenced by natural and human disturbances. In the tropical regions the highest impacts on disturbance in forest C cycles are related to human activities such as conversion of natural lands to cropland and pasture areas and to forest plantations. READ MORE

  4. 18. Evaluation of an ectomycorrhizal macrofungi as an indicator species of high conservation value pine-heath forests in northern Sweden

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

    Author : Jenny Lindman; [2010]
    Keywords : continuity; disturbance; ectomycorrhizal EM fungi; habitat requirements; indicator species; microclimate; pine-heath forest; Sarcodon scabrosus;

    Abstract : Since the 1950s, the development of modern rotation forestry in boreal Fennoscandia has resulted in a severe reduction of older forests, and a high degree of fragmentation among the small patches that remains of old forest. In Sweden, when performing conservation value assessments in order to identify and preserve the remaining forest habitats, the government authorities use to a significant extent a set of indicator species that indicate habitats of high biological conservation value. READ MORE

  5. 19. Migration of radiocaesium in six Swedish pasture soils after the Chernobyl accident : a comparison with earlier studies 1987-2005

    University essay from SLU/Dept. of Soil and Environment

    Author : Henning Persson; [2008]
    Keywords : radiocaesium; 137Cs; migration; migration depth; soil-plant transfer; Chernobyl fallout; field study; pasture soils;

    Abstract : This study comprises six pasture soils in central and northern Sweden which were strongly affected by the Chernobyl fallout in 1986. The aim of the study was to investigate the vertical migration and plant uptake of radiocaesium as related to soil texture and other soil properties. READ MORE

  6. 20. Metod för användning av Geografiska Informations System vid långsiktig vägplanering : en studie genomförd på Sveaskogs marker i Norrbotten

    University essay from SLU/Dept. of Forest Resource Management

    Author : Dan Thörnevall; [2007]
    Keywords : skogsbilsväg; vägnät; GIS; transport; planering;

    Abstract : The forest industry is one of the most important industry branches in Sweden. Since the demand of high precision wood deliveries has increased, the demand on a well constructed forest road net also has increased. READ MORE