Essays about: "näringsfattig mark"

Found 4 essays containing the words näringsfattig mark.

  1. 1. Klimatpåverkan av att pyrolysera dränerad torv : en konsekvens-LCA för användandet av biokol i betong

    University essay from SLU/Dept. of Energy and Technology

    Author : Jesper Westerin; [2018]
    Keywords : pyrolys; dränerad torvmark; livscykelanalys; stycketorv; global uppvärmning; fjärrvärme;

    Abstract : In Sweden there is approximately 6.4 million hectares of peatlands, which is about 15 % of the total land area. A significant proportion of peatlands, 2,4 million hectares, is affected by human drainage to promote agriculture and forest production. READ MORE

  3. 2. Indirekta effekter på marklavars abundans och diversitet vid ökad kvävehalt i marken : en jämförelse mellan opåverkad och lågintensivt brukad mark

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

    Author : Sara Svanlund; Emmelie Wahlgren; [2012]
    Keywords : lavar; kväve; konkurrens; markvegetation; Tjeggelvas;

    Abstract : Lichens are adapted to bright and sparse forests on oligotrophic ground. Due to a slow growth rate and high light demand lichens will suffer from competition in eutrophic environments. Therefore, lichens have disappeared from managed forests where the forest industry has increased the productivity. READ MORE

  4. 3. Marktäckande, lågväxt vegetation på ställverksmark : en biologisk bekämpningsmetod mot ogräs

    University essay from SLU/Dept. of Soil Sciences

    Author : Jenny Johansson; [2006]
    Keywords : marktäckande växter; marktäckande grödor; lågväxt vegetation; ställverk; slitagetåliga växter; lågväxande växter; biologiska bekämpningsmetoder; näringsfattig mark; täckgröda; ställverksmark;

    Abstract : Unwanted vegetation on the land of electric transforming stations is a problem, in the sense that it contributes to higher fire risks and also constitutes an obstacle for people performing maintenance operations at the station. Such unwanted vegetation is controlled using herbicides and mechanical measures. READ MORE

  5. 4. Winter dynamics of the greenhouse gas exchange in a natural bog

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Magnus Lund; [2005]
    Keywords : geomorfologi; naturgeografi; climatology; cartography; denitrification; Fäjemyren; physical geography; N2O uptake; pedology; geomorphology; marklära; kartografi; klimatologi; Earth and Environmental Sciences;

    Abstract : Northern peatlands are important in the context of the climate change. Since they comprise huge amounts of soil organic carbon and are found where the most significant greenhouse warming is predicted, they have the potential to exert major feedback effects on the global warming. READ MORE