83 uppsatser · sida 1 av 6
… 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 were …
… från de befintliga försöken upprättaproduktionsjämförelser 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 …
… intresse för exoter inom skogsbruket och i denna rapport behandlas klippgran (Abies laciocarpa) och Contorta (Pinus contorta). Vid undersökningen av dessa trädsorter jämfördes diameter och höjdtillväxt med gran (Picea abies) och björk (Betula pubescens). Mätningarna utfördes på …
utbud, efterfrågan och lönsamhet
… 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 …
… characteristics and the volume production in comparison to spruce (Picea abies). The possibility to predict future volume production by using prognosis tools designed to be used on spruce were also studied. The material that has been used in this study are permanent sitka trials …
… with Pinus contorta var. latifolia Engelm., Larix sukaczewii Dylis, Abies lasiocarpa (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 …
är gran (Picea abies) viktig i vissa habitat?
… 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 on the selection …
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 …
… 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; however …
… that can be reached by growing sitka spruce instead of Norway spruce (Picea abies) in the county of Halland. A regression model based on data from forest experiments was produced to explain the gain in production. This model was based on elevation and annual precipitation. The …
… 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 …
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 …
… the concentration of elements in different tree compartments of spruce (Picea abies (L.) Karst) were related to the moisture conditions of the site. Five plots at Risfallet (60º 21´ N, 16º 13´ E), was placed along a moisture gradient in a 40- year spruce stand. Stemwood, bark …
… to examine and describe the chloride concentration of Norwegian spruce (Picea abies L. Karst.) in the south of Sweden. Furthermore the aim was to be able to predict chloride concentration from readily measurable site factors. Samples were collected from 8 plots situated along a …
en ekonomisk analys
… is frequently exposed to storms causing great damage to Norway spruce (Picea abies L. Karst.) stands. A storm during the winter 1999/2000 raised the attention of the problem. A lot of forest owners got large areas of spruce stands wind thrown during this storm. Can naturally …
