Essays about: "indikatorart"

Found 4 essays containing the word indikatorart.

  1. 1. 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

  2. 2. Hur påverkas vägkanternas kärlväxter av omgivande landskap och lokala variabler?

    University essay from SLU/Dept. of Ecology

    Author : Tove Adelsköld; [2010]
    Keywords : artrik vägkant; hävdgynnad; vägsalt; slåtter; gulkämpar; Plantago maritima;

    Abstract : Landskapets förändring under det senaste århundradet har lett till en kraftig minskning av ängs- och betesmarker i Sverige. Många kärlväxtarter, anpassade till sådana öppna miljöer med kontinuerlig hävd, har också minskat. READ MORE

  3. 3. GIS-baserad habitatmodell för mindre hackspett : ett verktyg för att bevara skyddsvärda lövskogar inom Umeälvlandskapet

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Veronica Grahn; [2008]
    Keywords : GIS; habitatmodell; indikatorart; mindre hackspett; gråal;

    Abstract : Deciduous forests are, according to the National Environmental Quality Objectives, a priority area. Deciduous forests are rich in species and the occurrence of dead wood is an important factor for biodiversity. In order to identify valuable deciduous forests for bio-diversity, conservation needs good analyses and planning tools. READ MORE

  4. 4. The mink (Mustela vison) as an indicator of environmental reproductive toxicology

    University essay from SLU/Dept. of Clinical Sciences

    Author : Sara Persson; [2007]
    Keywords : mink; reproduction; toxicology;

    Abstract : There is a substantial amount of chemicals in our environment and the exposure is continuous over time. It is generally unknown whether these pollutants synergistically or additatively affect human and environmental health. READ MORE