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Visar resultat 1 - 5 av 9 uppsatser som matchar ovanstående sökkriterier.

  1. 1. Förekomst och spridning av hänglavar från äldre skogar till unga tidigare avverkade områden i Västerbottens inland

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Emma Maksimova; [2023]
    Nyckelord :Lichens; Dispersal; Picea abies; Pinus sylvestris; Epiphytic; Hair lichens; Alectoria; Bryoria; Usnea;

    Sammanfattning : The Swedish forestry and the use of clearcutting models has resulted in great losses of older forests in Sweden, resulting in several species being affected negatively. Hair lichens are important organisms that are providing several ecological functions in forest ecosystems and are declining due to being associated with older forests with high continuity. LÄS MER

  3. 2. Lavar i skogsöar i en fragmenterad skogsmiljö

    Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Författare :Christian Mendez From; [2023]
    Nyckelord :Boreal forest; Fragmentation; Habitat; Lichenes; Island biogeography; Species-area concept.;

    Sammanfattning : Epiphytic lichens are important species in the forest ecosystem. The Swedish forestry model affects them by fragmenting large old continuous forests. These fragments could be used as islands in a test of MacArthur and Wilsons theory of island biogeography. LÄS MER

  4. 3. The Diffusion of Hydrogen Technology in the Road Transport Sector in Sweden

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Henrik Bratt; [2022]
    Nyckelord :Alternative fuels; Diffusion of Innovations; Fuel Cell Electric Vehicles; Hydrogen diffusion; Hydrogen-powered vehicle; Sustainable Development;

    Sammanfattning : Carbon emissions are one of the primary drivers of climate change and the transport sector accounts for 24% of the global carbon emissions. A shift within the automobile industry towards more eco-friendly modes of transportation is hence needed. LÄS MER

  5. 4. What do the elderly demand? A study of the living environment in Storuman-, Sorsele and Vilhelmina municipality

    Magister-uppsats, Umeå universitet/Institutionen för geografi

    Författare :Victoria Scherbakova; [2021]
    Nyckelord :Elderly; Living environment; Meeting places; Rural areas; Retirement home; Home care; Apartments; Västerbotten county; Storuman municipality; Sorsele municipality; Vilhelmina municipality;

    Sammanfattning : In sparsely populated municipalities, there is a large increase of elderly people in relation to people of working age. This will entail a great need for housing for the elderly, and at the same time resources for the care of the elderly. LÄS MER

  7. 5. Turismdriven centrumförskjutning? : Exempel från svenska fjällen

    Kandidat-uppsats, Umeå universitet/Institutionen för geografi

    Författare :Linn Alexandersson; [2019]
    Nyckelord :tourism; ski resorts; mountain municipalities; center displacement; center; periphery;

    Sammanfattning : The aim of this essay is to study population change in tourism intensive mountain municipalities. Then to investigate whether center displacement takes place from the municipality center to the area with growing tourism. Areas of growing tourism have in this study been delimited to ski resorts. LÄS MER