Search for dissertations about: "decomposition"

Showing result 11 - 15 of 912 swedish dissertations containing the word decomposition.

  2. 11. Trophic interactions in the tundra: Impacts of large mammal herbivory on carbon processes and fungal communities

    Author : Cole Brachmann; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Herbivory; Arctic; Fungi; Trace gas fluxes; Decomposition; Biogenic Volatile Organic Compounds; Mycorrhiza; Tundra; Reindeer;

    Abstract : Plant productivity is generally increasing in the Arctic as a consequence of accelerated climate change. The change in plant communities may coincide with a loss of carbon from Arctic soils due to increased decomposition and respiration. READ MORE

  4. 12. Soil Organic Matter Dynamics and Methane Fluxes at the Forest – Tundra Ecotone in Fennoscandia

    Author : Sofie Sjögersten; Gaius Shaver; Uppsala universitet; []
    Keywords : Decomposition; forest – tundra ecotone; environmental change; Fennoscandia; methane; soil organic matter; subarctic.; naturgeografi; Physical Geography;

    Abstract : This thesis presents results from several studies that have focused on the carbon and nutrient dynamics in soils at the forest – tundra ecotone in Fennoscandia. The main objectives of the study were: (i) to investigate the links between the physical environment, above-ground vegetation communities, soil carbon storage, nutrient status and the chemical composition of the soil organic matter (SOM), and (ii) to quantify trace gas fluxes (methane and carbon dioxide) between mesic soils and the atmosphere. READ MORE

  5. 13. Dominator-based Algorithms in Logic Synthesis and Verification

    Author : René Krenz-Bååth; Johnny Öberg; Joao Marques-Silva; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; graph dominators; formal verification; logic synthesis; equivalence checking; decomposition; Electrical engineering; Elektroteknik;

    Abstract : Today's EDA (Electronic Design Automation) industry faces enormous challenges. Their primary cause is the tremendous increase of the complexity of modern digital designs. Graph algorithms are widely applied to solve various EDA problems. READ MORE

  6. 14. Interactions between Bacteria and Fungi on Aquatic Detritus – Causes and Consequences

    Author : Cecilia Mille-Lindblom; Lars Tranvik; Helmut Fischer; Eric Chauvet; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; bacteria; fungi; decomposition; antagonism; extracellular enzymes; competition; macrophytes; dissolved organic carbon DOC ; ergosterol; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Abstract : Bacteria and fungi dominate the decomposition of aquatic plants, a major process in the carbon and nutrient cycling in many aquatic systems. Although phylogenetically distant, bacteria and fungi often live in close proximity with each other. Since these microorganisms also have similar ecological functions, interactions have developed between them. READ MORE

  7. 15. Small-scale pattern and mobility of plant species in Alvar grassland

    Author : Xiaobing Dai; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecology; association analysis; cattle dung; decomposition; limestone grassland; Gland; PASFRAN; soil seed bank type; Sweden; turn-around time; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi; ekologisk botanik; Ecological Botany;

    Abstract : Studies of the small-scale pattern, mobility of plant species and the effects of cattle dung deposition and decomposition on the soil seed banks and the above-ground vegetation were carried out in an alvar limestone grassland in Gettlinge, on the Baltic island of Öland, Sweden.A new method for pattern detection using transect data Patch Size Frequency Analysis (PASFRAN), was developed. READ MORE