191 uppsatser · sida 10 av 13
… of the birch (51 %) is to be found in conifer dominated stands. Swedish forest land comprises approximately of 23 % mixed stands and one problem is that for mixed stands there are few management recommendations. The underlying aim of this thesis was to study the management of …
Forestry and reindeer husbandry are entitled to use the same land for their operations. For this reason, conflicts occasionally arise between them. Soil scarification is a forestry operation which has a negative effect on the occurrence of reindeer lichen. Reindeer lichens are …
Stronger demand has been put on forestry to show environmental considerations during harvesting. This is especially for crossings of brooks with sensitive elements and great care should be observed when they are to be crossed during harvesting by logging machines. For that …
The white-backed woodpecker is a forest bird being critically endangered in Sweden. The species is dependent on older forests rich in deciduous trees and dead wood. The main problem for the survival of this species is present shortage of habitat. Conservation work on this …
… each cherry tree was recorded. Three of the stands were established on former forest land. The remaining six stands were established on sites previously used for agricultural purposes. The tree survival and height development varied between the stands. In three of the stands a …
en analys av orsaker och effekter
… saplings of spruce or pine in former areable areas or in entirely felled forest areas. This paper contains a description of the reasons for the lowering projects, and ditching, based on a question from the local environmental authorities in the county of Osby, Scania, in Sweden …
… The landscape show different characters as wooded meadow, broadleaf forest and pasture land. The different environments all have in common the openness and light with a rich fauna and flora. This kind of environments demands grazing or cultivation to last. Djurgården is a part …
125 års parkhistoria på Kirseberg i Malmö
… the city's greenery and parks development.The concept and the possibility of a forest park in the city were discussed in Malmö in 1882 and also increased the pressure to build more public plantings. One of the initiators and founders of the plant association was merchant …
undersökning av fosforhalter
… water is approximately 320 kg. The atmospheric deposition and the leakage from forest, swamps and open fields is all together approximately 390 kg gross phosphorus/year, natural sources that are hard to decrease. There are a lot of lakes in the Lerbodaälven catchment and it is …
från modell till verklighet
… fuels and instead increase our renewable fuels. With stump harvest in the forest it’s possible to increase the use of renewable fuels and reduce our emissions from fossil fuels. The main purpose of this study is to answer the economic question: ?Is it profitable to harvest …
… and economic problems they suffer from this species. People involved with forestry were more positive to wild boars, probably because the species does not affect forest growth etc severely, and may even promote plant establishment by the rooting. Hunters were generally positive …
… site characteristics, site index (SI) for birch was estimated on all National Forest Inventory plots in Gävleborg County. Based on these estimations the site characteristics that gave the highest production for birch was found. To find the highest producing (m3sk ha-1 yr-1) …
… correlation between these two variables. Land use and especially intensive forestry and short distances of the water flow are suggested as possible factors that may affect the water colour. Approximately 68 % of the river Bivarödån basin is covered by forest. Forests are a major …
… different types of land use (farmland, building/plots, open land/pasture, forest, wetland and open or snow-covered ground above the tree line) to see if there was any relationship between each species and the different variables. I have not analyzed what the landscape looked …
substance flow analysis on a regional level
… air, water and society. The society was divided into five sectors; agriculture/forestry/fishery, food industry/industry, household/retail/service, technical systems and transport. After that flows within the subsystems was identified, which could then be quantified by data …
