Sökning: "Calypso bulbosa"

Hittade 3 uppsatser innehållade orden Calypso bulbosa.

  1. 1. Assessing the accuracy of a spatial model of habitat suitability for Calypso bulbosa

    Kandidat-uppsats, SLU/Dept. of Biosystems and Technology (from 130101)

    Författare :Michael Doorly; [2023]
    Nyckelord :Calypso bulbosa; norna; orchid; conservation; Sweden; alpine region; habitat suitability; distribution model; ecology; biodiversity;

    Sammanfattning : Calypso bulbosa is a rare and visually striking orchid that grows in older mesic to moist forests in the northern half of Sweden. C. bulbosa is red listed as a threatened species (Vulnerable, VU) with a reduction in numbers linked to modern forestry practices and exacerbated by the warming climate. LÄS MER

  2. 2. Inveterarens underbara resa genom Jämtland - ett test av träffsäkerheten i artutbredningsmodell för norna (Calypso bulbosa) med fokus på Jämtlands län

    Kandidat-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildning

    Författare :Elina Larsson; [2023]
    Nyckelord :artutbredningsmodell; SDM; norna; Calypso bulbosa; habitatdirektivet;

    Sammanfattning : As a member state of the European union, Sweden is obligated to report the status of the species and habitats protected under the Habitats Directive every sixth year. Calypso bulbosa is one such species. LÄS MER

  3. 3. Det svenska trakthyggesbrukets miljöpåverkan - En litteraturstudie med fokus på biologisk mångfald

    Master-uppsats, Lunds universitet/Miljövetenskaplig utbildning

    Författare :Susanne Debourg; [2018]
    Nyckelord :Clear-cutting; clear-cut; forestry; biodiversity; ecosystem services; forestry legislation; Trakthyggesbruk; kalhygge; skogsbruk; biologisk mångfald; ekosystemtjänster; skogsvårdslagstiftning; Biology and Life Sciences; Earth and Environmental Sciences;

    Sammanfattning : 80% of all forest in Sweden is considered to be in active use and since the mid 20th century, clear-cutting is the dominating forestry management method. The implication of clear-cutting is that large areas (up to 200 hectare) are being harvested at once and leaving bare ground as a result. LÄS MER