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En fallstudie i Kronobergs län
… mainly because of a longer growing season. With the changing climate risk of damage by such as insects, fungi and storms are expected to increase. Hence, it is of highest importance for private forest owners to spread these risks in the way they cultivate their forest. In this …
… to a prolonged drought followed by wildfires which further ruined the already damaged forests. In 1998 the Yayasan Sabah Group and IKEA started a forest rehabilitation project in the degraded forest in the Kalabakan region in Yayasan Sabah Concession Area in Malaysia. The main …
… shoot were measured on all Sitka plants. In addition, an estimation of damages was done. Thesites were divided into two groups, one eastern and one western. An interview was performed with theforest owners in connection with the inventory or by phone. Most of the forest owners …
… place for gathering a large data set. The main parameter studied was the damage frequency at the edge of the forest compared to the trees located further in from the edge (up to 100 m from the power line). Tree species mixture, soil moisture class, soil type, topography, stand …
… for study 2, 3 and 4. The data needed for the simulations in Study 1 has no damaged trees, which degrades sawlogs to pulpwood. The result of study 1 shows that Aptan overestimates the volume of pine sawlogs (TT) by 19 % and Best/upr underestimates it by 10 %. The prognosis for …
Bark-stripping by red deer (Cervus elaphus) cause extensive damage to economically valuable spruce trees (Picea abies) in Swedish forests. The underlying causes for bark-stripping are not fully understood, and the frequency and severity of damage unpredictably differ between …
… visit occurred during springtime, when soil samples and approximation of damaged vegetation cover was made. Impacts on grassland, soil and forest of the animals as well as animal cleanliness were evaluated for each farm. Results from the study show that outdoor wintering of beef …
… just the total volume gets presented in the account and that the inventory of damages is removed from the method. It is also recommended that the strip survey direction should be dependent of the stands area. It recommended that the entrepreneurs and forest managers get …
… more powerful. The forest industry aim at an even wood flow, and the ground damage has to be as low as possible. The two biggest causes for ground-damage is the bearing capacity of the forest ground and the ground-pressure of the harvesting machines. The aim of this study was to …
… think that the population needs to be strongly reduced because of all the damage that is done to the young forest when the moose seeks its food, and the economic losses because of that. At the same time hunters think that the moose population should be maintained at a level that …
… birch (Betula sp. L.), were exposed to browsing. Over 90 % of the trees were damaged and the difference in height between five and eight times for species as mountain ash (Sorbus aucuparia), alder buckthorn (Frangula alnus Mill.) and willow species (Salix sp.). For Scots pine …
en enkätstudie hos skogstjänstemän
… machinery driving in the clear felled area, this increases the risk of soil damage that will occur in the form of soil compacting and rutting in the clearings. This affecting on the nature in a negative way and especially in rivers and lakes that are affected by siltation and …
… tree type, in addition with regard to quality, stage of development and damage risk have a prospect of succeeding. In addition main crop stems should be separated by surface so that the proportion sample plots with 3 meters radius, and lack main crop stems, are not more than 10 …
En litteraturanalys
… An earlier beginning of growing season willenhance the risk of frost damage. A temperature that drops below freezing point afterthe initiation of growth will increase the risk of frost damage to the trees. A goodnutrient availability enhances growth, adding nutrients to the …
… were strength of thinning and amounts of wind throws, snow-breaks and hauling damages. The results that emerged, was that thinning with strip-road machines had a significantly higher strength of thinning over all, as compared with the stand- thinning machines (45 percent versus …
