117 uppsatser · sida 6 av 8
… plant community composition and structure. Selective browsing with other damages of large herbivores on tree species with different tolerance to disturbance could reshape the tree layer in both managed and natural forests. Rowan Sorbus aucuparia is widely distributed throughout …
… any differences between two areas. The method used in the inventory is a local damage caused by moose browsing survey. It is suitable on areas that have more than 50 hectares but less than 250 hectares of young forest. Inventory of moose browsing is best done on bare ground in …
biologi, detektionsmetoder och förebyggande åtgärder
… in trees it is important to know both trees and the wood decaying fungi. Many damages are possible to detect visually, while others demand more thorough methods. Since different fungi makes different damage in living trees it is important to identify the fungi species in order …
en jämförande studie av fyra flödeskedjor från avlägg till förbrukare
… to meet fluxes due to seasonal changes, bad weather and it to minimise road damage during thawing of frozen gravel roads. A supply system based on a combination of 75 % of the yearly demand from the cheapest supply chain and 25 % of the yearly demand from a system with storage …
inventering av skogsbilvägars standard samt jämförelser med lokal bedömning och SNVDB.
… section was classified according to soil type, material in the top section and damage/defects. The inventory classification was then compared with the classification according to SNVDB and local estimation in each of Holmen Skogs four regions. The results of the study show that …
… (400 MH), 250 Co- dominant trees (250 MH). Thirteen years later windthrow damage were extensive among the co- dominant trees, fore-most in the sparser shelterwood (250 MH), where 70 % of the trees had blown down. In the denser shelterwood (400 MH) approx. 40 % had blown down …
… pinitorqua) is a parasitic rust fungus found all across Sweden causing damage resulting in lower quality and reduced tree growth in pine stands. In Sweden, the fungus is dependent on two alternate hosts; European aspen (Populus tremula) and Scots pine (Pinus sylvestris). Pine …
… differ from spruce when it comes to Heterobasidion annosum, it gets sever damages as well. The objectives with this study was to investigate if Phlebiopsis gigantea (Fr.) Jül. and urea works effective as stump treatments agents in stands with hybrid larch. The commercial names …
… county in southern Sweden. About 50 % of all stems that are measured are damaged by grazing and 5,8 % was damaged from fraying. The conclusion of the study is that the biggest influencing factor is the height of the seedlings. The size of the stands and number off seedlings per …
En sårbarhetsanalys av omständigheterna kring stormen Gudrun med pressure and release modellen
The concept of vulnerability is the capacity or the sensitivity to become damaged. Vulnerability are characterized by one or more of the following terms; a system´s sensitivity to exposure to shock, stress or interference, the state of the system in relations to a threshold of …
… sustainable forest management. Therefore, it is important to prevent browsing damage on the commercially important tree species Scots pine. In this study I have tested a new alternative way to increase the available amount of forage and increase the use of these resources by …
… towards this solution considering that planning would be easier and less damage would occur during operation. Wood buyers answered that on advantage in 14 % of the cases it would a benefit to offer a portable bridge when buying wood. The buyer thinks the landowner would gain …
omfattning med avseende på geografisk utbredning, skadad volym och ekonomiska konsekvenser
… areas in the province of Småland studies has been done to investigate how big damage the moose may do to P. abies. An inquiry examination and two different types of surveys were done to find out how big area, which volume and which financial consequences the moose debarking has …
Plant survival, plant damage and height growth were studied in nine wild cherry (Prunus avium L.) plantations in southern Sweden established between 2000 and 2002. All stands were located to the county of Småland. The survey was conducted during May and June in 2007. During the …
… (PCDDs) and polychlorinated dibenzofurans (PCDFs)) causes severe health damages both to humans and other organisms, with lethality as its worst. Because of the toxicity several risk assessments has been performed on dioxins trying to determine at what concentration there are no …
