Sökning: "tree plantation"
Visar resultat 11 - 15 av 58 uppsatser innehållade orden tree plantation.
11. Perspectives of a climate-neutral urban district : Evaluation of greenhouse gas emissions, exergy and energy balances
Master-uppsats, Högskolan i Gävle/Avdelningen för byggnadsteknik, energisystem och miljövetenskapSammanfattning : A climate-neutral city can be viewed at in many different aspects. This report investigates the greenhouse gas, exergy and energy balance for both heat pumps and district heat supply at local, national and methane gas perspectives of the energy conversion processes. LÄS MER
12. Skogsstrukturer och dess betydelse för biodiversitet : visat i en gradient av mänsklig påverkan
Kandidat-uppsats, Umeå universitet/Institutionen för ekologi, miljö och geovetenskapSammanfattning : This study was conducted to find out if there are forest structural differences along a gradient of human impact: tree plantation, semi-natural forest, and natural forest. Two, forest areas in the north of Sweden were selected; Kulbäcksliden, which is dominated by mesic to moist spruce forest with gap dynamics, and a forest in the Eco park Skatan, which due to dry soils historically have been dominated by pine forest and fire dynamics. LÄS MER
13. Effekten av GROT-uttag i föryngrings-avverkning på trädtillväxten och markens produktionsförmåga över tid
Kandidat-uppsats, SLU/Dept. of Forest Ecology and ManagementSammanfattning : En av vår tids största samhällsutmaning är den pågående klimatkrisen. En lösning på krisen är att ställa om till ett mer biobaserat samhälle. Energibehovet ökar globalt och vår påverkan på klimatet måste minska. LÄS MER
14. Growth and timber quality evaluation of 33 European beech (Fagus sylvatica L.) provenances from a site in Southern Sweden
Master-uppsats, SLU/Southern Swedish Forest Research CentreSammanfattning : This study aims to shed more light on the differences in growth and timber quality characteristics between European beech provenances at its northern distribution margin. Data was collected from a provenance trial established in 1998 in southern Sweden to determine the growth and development of 33 provenances of European beech (Fagus sylvatica L. LÄS MER
15. Kunskapsförändringar i svenska trädgårdshandböcker, 1840-1950
Kandidat-uppsats, SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)Sammanfattning : “Change of knowledge in Swedish gardening handbooks from 1840 to 1950” is a bachelor thesis in Landscape architecture at the Swedish University of Agricultural Sciences at the location Alnarp. The intent of the thesis is to investigate the knowledge and competence development within gardening handbooks in Sweden during the period of 1840 to 1950. LÄS MER