Essays about: "mossor"

Showing result 16 - 20 of 31 essays containing the word mossor.

  1. 16. The potential impact of changing vegetation on thawing permafrost : effects of manipulated vegetation on summer ground temperatures and soil moisture in Abisko, Sweden

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Eric Torkelsson; John Bengtsson; [2012]
    Keywords : vegetation manipulation experiment; permafrost; climate change; physical geography; geography; Abisko; sub-arctic; naturgeografi; geografi; klimatförändring; manipulation av vegetation; subarktis; Earth and Environmental Sciences;

    Abstract : The Arctic region has experienced significant warming in the past decades and according to predictions further increases in air temperatures and precipitation will occur during the 21st century. Recent changes in climate have had widespread implications for the permafrost around the Arctic. READ MORE

  3. 17. Grazing in the Arctic : can it mitigate the impacts of climate change? : case study: Zackenberg, northeast Greenland

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Caroline Jonsson; [2012]
    Keywords : Arctic; climate change; warming; grazing; ecosystem responses; muskox; herbivores; grazing optimization hypothesis; CO₂-fluxes; Greenland; Zackenberg; Earth and Environmental Sciences;

    Abstract : Climate change has affected ecosystem structure and composition in the Arctic during the last few decades. Researchers have observed a greening trend as the active layer depth is increasing due to rising air- and soil temperatures. READ MORE

  4. 18. Increase of tree abundance between 1960 and 2009 in the treeline of Luongastunturi in the northern Swedish Scandes : change detection based on aerial photographs

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Oskar Löfgren; [2011]
    Keywords : geography; physical geography; treeline dynamics; mountain birch; aerial photo interpretation; geografi; naturgeografi; trädgränsen; fjällbjörk; flygbildstolkning; Earth and Environmental Sciences;

    Abstract : Aerial photo interpretation shows a recent densification of trees has been occurring between 1960 and 2009 in the mountain birch (Betula pubescens ssp. czerepanovii) forest of the treeline ecotone in northern Swedish mountains. READ MORE

  5. 19. Mossor som marktäckare i offentliga miljöer

    University essay from SLU/Landscape Management, Design, and Construction (until 121231)

    Author : Teresia Nordenborg; [2011]
    Keywords : mossor; marktäckare; offentlig miljö; mossträdgård; japansk trädgård; skötsel;

    Abstract : Vad har mossa för möjligheter som marktäckare i offentliga utemiljöer? Det är frågan som detta examensarbete genom en litteraturstudie försöker finna svaret på. Mossor har under århundraden varit en uppskattad marktäckare i Japan, landet där det medvetna användandet av mossor i trädgårdssammanhang har sitt ursprung. READ MORE

  6. 20. Epixylic, forest-interior bryophytes in young stands : importance of local environmental variables, propagule sources, and distance to bordering woodland key habitats

    University essay from SLU/Dept. of Ecology

    Author : Simon Hultby; [2011]
    Keywords : CWD; FWD; stump; stump harvest; Anastrophyllum hellerianum; lichen;

    Abstract : The reduction of coarse, dead wood is considered to be the biggest threat to flora and faunain boreal forests. Extensive harvest of logging residues would increase this reduction evenmore. However, the role of dead wood created at final felling for boreal, epixylic species isstill largely unclear. READ MORE