69 uppsatser · sida 4 av 5
besökares upplevelser i norra och södra Sverige
… of old trees in the young forest were positive and thick dimensions of birch. The visitors by Härlanda tjärn were also positive to an increased amount of trees on the peat land. At Nydalasjön the visitors considered the open peat land and the forest peat land of equally value …
en studie av nutida naturinspirerad landskapsarkitektur
… and the The High line park in New York, Downsview park outside Toronto the birch landscape at Shiphol Airport have something more in common than being big new park landscapes.They all include thoughts and images about ecology. These images are neither typically nature …
… In beaver wetland established in streams without ditches there was a trend of birch dominated stands. There was a significant difference between the amount of dead wood in wetlands created by beavers and the surrounding conventionally managed forest. The economical gross value …
… chosen on the basis of the local conditions, such as elm, linden, maple and birch. For a long period of time diseases on some tree species have spread and threatened tree stocks on our cemeteries. Dutch elms disease, emerald ash borer, horse chestnut leaf miner, and horse …
från groning till allé
Det här projektet består av en litteraturstudie på trädformig björk (Betula) i Sverige, samt en studie av glasbjörk (B. pubescens) längs en klimatgradient genom Norra Sverige och Norge. Längs den studerade gradienten skiljer sig vegetationsperiodens längd med över en månad i den …
a response to food sources?
… density of moose. Like many other studies this one also results in Pine and Birch are the bulk food source to moose, but this study also suggests that shrubs like bilberry, foxberry and heather are preferred food sources to moose in southern Sweden.
… the customer. This resulted in four illustrations in poster form, i.e. oak, birch, aspen and bird cherry.
… the customer. This resulted in four illustrations in poster form, i.e. oak, birch, aspen and bird cherry.
… place with 30 % of the retained trees, but only 21 % of the standing stock. Birch is on third place with 15 % of the trees and 11 % of the retained trees total volume. 2/3 of the retained trees are between 20-25 cm dbh and only 20 % of the stems are having a diameter at breast …
är gran (Picea abies) viktig i vissa habitat?
… were a small part of the capercaillie’s diet in all the areas I investigated. Birch (Betula pubescens) were also eaten in small part, especially in areas with much spruce. Overall, my analysis thus suggests that, compared to previous studies in Scandinavia, capercaillie are more …
En litteraturanalys
… climatechange and results in a larger number of deciduous trees, preferably birch will becomestronger and grow better and faster. Since 1920, the volume growth in the forest hascontinuously increased. The growth season in the forest will be 30-43 days longer andgrowth during the …
… and increased temperature vegetation changes have occurred. The amount of birch forest has increased, most likely, in expense of declined willow-thickets. Also abundance of alpine lichen/moss heath has increased, which might be a result of reduced grazing by reindeers.
… data also provides information on forest height and density. The mountain birch forest makes up much of the border with other land types, and to map the distribution of forest land here would be of interest. A distribution map could provide information such as how much forest …
… ”Julita” planted as saplings closely together to create a similar effect of birch trees conquering an open area of land. The Fruit Garden is not a traditional kitchen garden and these productive plants are instead creating a decorative groundcover rather than lined up in raised …
… for different suspended solid concentrations(8%, 10% and 12%) of pretreated birch slurry which contained 16 % total suspended solids.Two different hexose fermenting yeast strain (Ethanol Red) and pentose fermenting yeaststrain were used.Quantifying the concentration of chemical …
