110 uppsatser · sida 8 av 8
… 15 stands was selected depended on age and different mixtures between pine (Pinus sylvestris), spruce (Picea abies) and birch (Betula pubescense and Betula pendula). Eatch pictures was about 300 ? 400 m2 and was divided in to nine equal squares with the aerial discription in m2 …
… an experiment concerning intensive forest fertilizing in older pine stands (Pinus sylvestris). The intention with the original experiment was to study how different fertilizing intervals influence growth plus to investigate whether an intensive fertilizing program can evoke …
… (Frangula alnus Mill.) and willow species (Salix sp.). For Scots pine (Pinus sylvestris L.) around 70 % of the trees were damaged outside the exclosure and the average height was 100% higher inside it. The average height of the birch was a bit lower outside the exclosure but the …
en jämförelse mellan föryngring i produktions-, rekreation/produktion och rekreationsskog.
… trees should be increased. Another study shows that a pillar hall of pines (Pinus sylvestris) is often ranked as number one by the visitors. This is a contradiction to the visitors? wish for a forest not managed by man. After the storm Gudrun, few of the storm-felled areas have …
Wood has always been an important material for people, and it is used for many applications. As for example, fuel for cooking and heating houses, construction materials and for constructing means of transport. Since wood also is a material that with time biologically degrades …
