117 uppsatser · sida 8 av 8
… alteration occurred and how great the alteration was. The biggest risk for damage was on material in the peat and where was some alteration on material just beneath the surface of the sand. Objects deep in the sand showed that the risk for alteration where was very small. The …
… height to living crown, largest mean diameter and the highest percentage of damaged trees could be found in the three-meter spacing. A reasonable balance between volume production and timber quality should be a spacing of 2.0x2.0 meters.
… and the largest standing volume on both sites. The Scots pine had suffered damage from various agents on the site in Småland and the comparisons between the species were not reliable at that location. Besides the measurements, seven different quality indicators were classified …
om byars äldre gränsmarkeringar och rågångar i Ekeberga socken
… southeast Sweden. Many of the boundary rocks were subjected to unintentional damage or destruction that arose during forestry activities, the excavation of ditches, or road construction. Boundaries between hamlets sparsely populated areas were not clearly defined from the …
… wood decreases over time. Rot, UV radiation and attacks by insects and pests damage wood if not protected. Since we want what we build to consist, optimizing our building materials durability is of great interest. Techniques and methods for increasing the endurance of wood have …
en kartmodell för att visa lämpliga ståndorter för odling av svartgran
… it more frost hardy than Norwegian spruce. It is also relatively free from damages and in Canada the light wood makes it sought after as pulpwood. In this study areas suitable for culturing black spruce in northern Sweden were identified, where it can compete with Norwegian …
… industry. Factors like bark features, breakage, double tops, bends and stem damages was noted, and all stems were measured manually. Hypothesis testing with the method "random in pairs" were used to examine whether the harvester measured values significantly differed from the …
What makes the Swedish wild boar reproduce more or less successfully?
… in Sweden there has been an increase in wild boar related traffic accidents, damage on cropland, and conflicts regarding the management of the wild boar. Knowing what makes the wild boar reproduce and survive more or less successfully in different geographic areas is an …
… of bucking splits and if there is any felling head brand that did a bigger damage that the others. The study was made in two steps, where the first part was a literary review to find out results and conclusions in earlier studies. The best measuring method to check bucking …
… the frequency of cutting cracks in saw timber harvested in the storm-damaged forests in regions where the storms Hilde and Ivar hit. The idea for this work came from one of the region’s biggest actors, SCA Skog and Jämtlands district. The purpose where to find out how big …
… red cedar, and to survey and illustrate injuries of freeze drying and other damages like deer browsing, vegetation and insect attacks. The study included four different provenances, and spruce as a reference, planted in two locations ? Asa and Släne.Western red cedar is despite …
… follow up showed that the strip-road operated thinning model left fewer damaged trees in the remaining forest than the other two stand-operated thinning models. However, the stand-operated thinning models had a smaller strip-road area. The financial analysis showed that the …
