Uppsatser om scots pine.
61 uppsatser · sida 1 av 5
Övrigt arbete · SLU
… tree, primarily growth rate. To be able to compare the two species plots with scots pine (Pinus sylvestris L.), this species was also planted at the same time and under the same conditions. A number of questions should always be raised when exotic species are introduced in an …
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 …
Kandidatuppsats · SLU
… 000 hectares in Sweden. There are some differences between lodgepole pine and Scots pine (Pinus sylvestris) forests which could affect bird assemblages, for example differences in canopy density and ground vegetation. Birds were surveyed in 14 localities in northern Sweden, each …
Examensarbete · SLU
… thinning damage is more frequent in lodgepole pine stands than in native Scots pine (Pinus sylvestris L.) stands. An important question was if thinning damage was more frequent in lodgepole pine stands thinned during the sap flow period in spring compared to stands thinned …
Kandidatuppsats · SLU
… in large scale. The lodgepole pine affects its new environment different from Scots pine (P. sylvestris), leading to a change in biological diversity. Forestry today affects the ground beetle fauna (Carabidae). Habitat specialists associated with older forests are first …
Kandidatuppsats · SLU
… focused on how lodgepole pine manage perform compared with Pinus sylvestris (Scots pine) in the southernmost part of Sweden, Götaland. The idea came from the fact that the Swedish government is evaluating a notification from the National Forest Agency that suggests lodgepole …
en jämförelse av produktion och potentiell kvalitet hos försöksbestånd i Jämtlands län
Examensarbete · SLU
… damages and survival for Black spruce to Lodgepole pine, Norway spruce and Scots pine. The hypothesis was that the performance varies with site type. Site index was classified according to vegetation type. On average, after 19 growing seasons, Lodgepole pine had the highest …
effekt av plantstorlek och behandling med metyljasmonat
Examensarbete · SLU
… the number of attacks by pine weevils, in relation to the size of seedlings of Scots pine (Pinus sylvestris). 2) Determine if application of methyljasmonate (MJ) on seedlings of Scots pine will result in higher resistance towards attacks by pine weevils and/or have any effect on …
Magisteruppsats · SLU
… is dependent on two alternate hosts; European aspen (Populus tremula) and Scots pine (Pinus sylvestris). Pine twisting rust has five different spore stages, two of them (uredinio- and teliospores) on the leaves of aspen. Injures on aspen caused by pine twisting rust is not …
Examensarbete · SLU
… of the field and ground layer vegetation in comparable plantations with Scots pine (Pinus sylvestris (L.)) and lodgepole pine (P. contorta Dougl. ex Loud, var. latifolia Engelm). Data was collected at nine of SCA:s experimental sites, established in the beginning of the 1970?s …
Examensarbete · SLU
The purpose of this study was to develop two types of prediction models for Scots Pine and Norway Spruce. The first type for calculation of the stump diameter under bark the year the tree reached breast height (Dstubh130). The second type for calculation of the annual …
Examensarbete · SLU
… jasmonate on resistance against the large pine weevil (Hylobius abietis) in Scots pine and Norway spruce seedlings. A field experiment was conducted in order to determine the dose-response effects of methyl jasmonate (MJ) on growth and defence to pine weevils in Scots pine …
Examensarbete · SLU
… is that they are able to grow on dry and low fertile sites. Furthermore, Scots pine is less affected by butrot than Norway spruce. The high animal population during the last decades have forced the forest owners to plant more spruce instead of pine. This has and will affect the …
i stormen Pers fotspår
Examensarbete · SLU
… AB, Östergötland. In first thinnings data was collected from both spruce and pine stands and second thinnings only data from spruce stands was collected. The stands were thinned after the storm Gudrun but before the storm Per. There are different factors that increase the risk …
Examensarbete · SLU
… whether there were differences in the growth-response between the tree species Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L.) Karst.). Another question of issue was if there were differences in the growth response between trees of different sizes. It is …