Essays about: "trädgränsen"

Found 4 essays containing the word trädgränsen.

1. 1. Exploring the impact of Formica exsecta ants on soil properties above the tree line in northern Sweden

   University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

   Author : Filip Pekkari Juto; [2023]
   Keywords : Formica exsecta; ant mounds; soil properties; organic matter content; tundra;

   Abstract : Ants are considered ecosystem engineers due to their effect on the soil properties and their ability to alter the flow of energy and nutrients. Many studies have focused on ants in boreal forests,but few have focused on the ant’s effect on the tundra. READ MORE

3. 2. Fjällvärlden i Sverige enligt NILS : miljöövervakningsdata från fältinventering och flygbildstolkning

   University essay from SLU/Dept. of Forest Ecology and Management

   Author : Nils Karinen; [2016]
   Keywords : trädgränsen; topografi; fjällbjörk; klimat;

   Abstract : NILS står för Nationella Inventeringen av Landskapet i Sverige. Programmet, som finansieras av naturvårdsverket omfattar hela Sverige och övervakar biologisk mångfald och påverkan på landskapet av markanvändning och andra förändringar. Här ingår Sveriges fjällvärld, som i många avseenden är en speciell region. READ MORE

4. 3. The shift in forest and tree limits in Troms County - with a main focus on temperature and herbivores

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

   Author : Kristoffer Normark; [2012]
   Keywords : forest limit; tree limit; temperature; herbivore;

   Abstract : To better understand how various factors affect the establishment of forest and trees around the tree line-ecotone, this study was conducted in Troms County, Norway. The altitude of different forest and tree limits together with the surrounding vegetation type were collected during August 2011. READ MORE

5. 4. 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