117 uppsatser · sida 3 av 8
… dry with several weeks without precipitation, resulting in widespread damage to newly planted seedlings. Since container depth and the selection of planting spot may have an impact on resistance to drought two field experiments with different kinds of mini seedlings and …
en jämförelse efter stormen Gudrun
… 70 millions cubic metres forest in southern Sweden. The majority of the wind damaged forest was spruce (Picea abies). In order to decrease the risk of wind damages in the future other trees species are of interest for forestry in southern Sweden. The purpose of this master …
a response to food sources?
The traditional Swedish way of dealing with browsing damages made by moose, is to reduce the moose population. However, a growing way of dealing with damages made by several ungulate species, including wild boars in particular is to redistribute them with supplementary food …
inventering av upplevelsekvaliteter i grönområden som metodi kommunal planering
… cygnus) ecology to enhance the ability to predict and also to prevent the crop damage they cause. The largest proportion of damage in Sweden has been reported at stopover sites during spring migration in February, March and April. Therefore, this study focused on an important …
… cygnus) ecology to enhance the ability to predict and also to prevent the crop damage they cause. The largest proportion of damage in Sweden has been reported at stopover sites during spring migration in February, March and April. Therefore, this study focused on an important …
en metodstudie
… a burnt area is obviously important, but also to quantify the degree of fire damage to the tree canopy. Such data are important for assessing the conservation value, and to support planning and management of the burned area in the future. I have examined how to estimate the …
The effects of Reindeer mechanical damages on the planted regeneration of Pinus sylvestris and Pinus contorta. Semi-domesticated reindeer can damage young trees. In late winter reindeer rub their antlers against young trees. The aim of this study was to quantify those damages …
en fältstudie på känsliga marker
… or wetlands during clear cutting assignments, and to estimate the extent of damage made by forestry machines used at that time. A field and literature study is used to show how to improve and prevent the damage made in the wake of the machines. This study is made for Sydved, and …
miljökonsekvenser relaterade till förändrad kväveomsättning i mark
… can increase the content of nitrogen in local watercourses, which might cause damage. However, the leaching will be limited in time, since much nitrogen will be utilised by an increased vegetation growth. The effects of nitrogen supply on the see bays, Laholmsbukten and …
… were taken. The main reason for plant death seems to have been drought and damage from game. According to the landowners, drought was particularly severe during spring 1992, which seems to have caused extensive plant death on plantations from 1991 and 1992. It caused problems in …
… productive forest stands were the areas at highest risks for severe tree damages and costs associated to beaver activities.
skogshistoria på Ängsön-Marskär i Stockholms södra skärgård
… large Scots pines grow here as well as Norway spruces, many of which are storm damaged. Level two consists of the forest areas situated higher than five meters and lower than ten meters above sea level. The land use in this zone has differed over the years. The forest is not …
Since the end of the eighteenth century forest damage caused by the pathogen Gremmeniella abietina has been observed and documented. During the latest epidemic in Sweden more than 480 000 hectares forest land have been injured and this has lead to considerable economic losses …
… important silvicultural activities in middle aged forests, partly to minimize damages and partly because it leads to earlier harvesting revenues and increases the value of the remaining trees. There are many different indices used to describe stand density and thereby the need …
… aim is also to evaluate the economic impact a fire can have in a stand. Fire damaged trees from three damage classes were dissected in three ways; as Chips, planks and discs to evaluate quality. The quality problems that were found were charcoal remains. These were located 3-4 m …
