Uppsatser om picea abies
80 uppsatser · sida 1 av 6
Kandidatuppsats · SLU
Sitka spruce (Picea sitchensis) is not considered to be a native species to Swedish forests. It´s origin is the pacific coast of Northern America, an area that is dominated by a coastal climate which makes it likely to believe that it would be well suited for growing in the …
Examensarbete · SLU
Sitka spruce (Picea sitchensis) is a tree species that have its natural distribution along the West Coast of North America, from Alaska in the north to northern California in the south. Sitka spruce is a typical coastal tree species that can reach heights up to 85 meters and …
Magisteruppsats · SLU
… at any given height along the tree stem for plantation grown Sitka spruce (Picea sitchensis (Bong.) Carr.), Norway spruce (Picea abies (L.) Karst) and White spruce (Picea glauca (Mounch) Voss) in Iceland. A number of published tree volume equations were tested and modified to …
Annons
Magisteruppsats · SLU
… see where dead branches were located on living trees of Pinus sylvestris and Picea abies, how large the surface area of these branches was and what lichens grewof wood on these branches. The study was made in Finspång, Sweden, where 11 forest stands of P.sylvestris and P. abies …
Kandidatuppsats · Linnéuniversitetet
… av dessa trädsorter jämfördes diameter och höjdtillväxt med gran (Picea abies) och björk (Betula pubescens). Mätningarna utfördes på lokaler i Strömsunds kommun i Jämtlands län vid Näxåsen (Strömsund) och runt Jorm i Frostviken på SCA:s marker
är gran (Picea abies) viktig i vissa habitat?
Magisteruppsats · SLU
… The interesting thing is that this "pine specialist? is also found in spruce (Picea abies) forest habitats where pine is scarce or unavailable. In many studies outside Sweden (primarily Central Europe) spruce is regularly observed in the winter diet, but I have found no reports …
Masteruppsats · SLU
Productivity of Norway spruce (Picea abies) and Scots pine (Pinus sylvestris) was studied on 12 sites in coastal areas of northern Sweden. On each site, sample plots were placed in adjacent Norway spruce and Scots pine stands with similar ages in between. Basal area, tree …
Masteruppsats · SLU
… large scale clonal propagation of Elite clonal material. For Norway spruce (Picea abies L. Karst.), SE procedures suitable for laboratory scale propagation have been available since the mid-1980s. The SE technique has a great potential for mass propagation of conifer species …
Masteruppsats · SLU
… som gödslingsmedel för små plantor av tall (Pinus sylvestris) och gran (Picea abies). Samt att hitta förklaringar över varför algerna påverkar plantornas tillväxt. Försöken genomfördes på 738 plantor varav hälften var tall- och andra hälften granplantor. 58 av dessa plantor fick …
Kandidatuppsats · Linnéuniversitetet
Skogen är en förnyelsebar energikälla som möjliggör för ett minskat beroende av fossila bränslen. Ur ett politiskt perspektiv minskar såväl klimatpåverkan som beroendet av importerad energi från oroliga delar av världen genom att ta tillvara skogsbränsle lokalt. I Sverige är …
en jämförelse av produktion och potentiell kvalitet hos försöksbestånd i Jämtlands län
Examensarbete · SLU
Swedish forests are dominated by just two conifer species Norway spruce and Scotch pine. They are not able to achieve the highest possible production or fulfill industry demands for raw materials. The introduction of exotic conifers can potentially meet these shortcomings and …
Magisteruppsats · SLU
Sitka spruce (Picea sitchensis (Bong.) Carr) is just like Norway spruce (Picea abies) a species in thegenus picea. The natural range of Sitka spruce is a narrow strip along the west coast of North America. Itis the most coastal of all picea species, and very dependent on the …
Magisteruppsats · SLU
… mellan kustgran (Abies grandis) och vanlig gran (Picea abies) pålikartad mark, 3) sammanställa befintliga kunskaper om kustgranens produktion, skötsel ochvirkeskvalitet, 4) lämna förslag till skötselprogram för kustgran i södra Sverige, 5) kartläggahur marknaden för virke från …
utbud, efterfrågan och lönsamhet
Examensarbete · SLU
… buys Christmas trees. 80 % of these Christmas trees are Norway Spruce (Picea abies), which is the most common Spruce in Sweden. Every year over 170 000 Christmas trees are imported to Sweden. The main import comes from Denmark. The thesis is based on a literature survey, a case …
Kandidatuppsats · SLU
… (Hook.) Nutt., Populus × wettsteinii Hämet-Ahti (tremula x tremuloides) and Picea mariana (Mill.) Britton et.al. for increased volume growth per hectare in northern Sweden. Yield experiments indicated that these trees can outperform our native trees in volume growth on some …