Search for dissertations about: "Deschampsia cespitosa"

Found 2 swedish dissertations containing the words Deschampsia cespitosa.

  2. 1. Genetic adaptation to soil acidification in four grasses

    Author : Pernilla Göransson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Växtekologi; Plant ecology; Deschampsia flexuosa; Deschampsia cespitosa; Elymus caninus; Poa nemoralis; arbuscular mycorrhiza; stress; tolerance; genetic variation; local adaptation; Al; Soil acidification; pH;

    Abstract : Soil acidification has become a source of serious concern in many parts of the world. In southern Sweden, the deposition of acidifying substances, such as nitrogen and sulphur compounds, has decreased the mean pH of forest soils by almost one unit since the 1950s. READ MORE

  4. 2. Plant colonization of oak plantations - the interactive effects of local environment and land-use history

    Author : Karin Valtinat; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Nitrogen mineralization; Phosphorus; Plant ecology; Växtekologi; Soil acidity; Seed sowing; Dispersal limitation; Species diversity; Indicator species analysis; Functional groups; Succession; Understory vegetation; Land-use history; Temperate forest;

    Abstract : In Europe, only small fragments of deciduous woodlands remain intact and species dependent on this ecosystem have declined. In southern Sweden, a shifting trend during the 20th century, with more afforestations on former arable land, resulted in new oak stands. These new stand are either on former arable fields or on continuously forested land. READ MORE