Uppsatser om wood

470 uppsatser · sida 4 av 32

Skillnader i mulmvolymer mellan fem trädslag i Östergötlands eklandskap

Kandidatuppsats · Linköpings universitet

Old hollow trees of oak contain a large amount of wood mould. Unfortunately, these trees have in the last century been greatly reduced in numbers. It has resulted in that species that depend on these habitats, saproxylic species, have become at risk to decrease in numbers or die …

The French market and customers? perceptions of Nordic softwood offerings

Masteruppsats · SLU

The study of the French market for softwood has been done in collaboration with VIDA AB. The aim of the study was to investigate important product quality and service quality dimensions, the customers? perception of the offering and generally describe the French market and …

Alla vill beta men ingen vill bränna

skogshistoria inom Särna-Idre besparingsskog i nordvästra Dalarna

Examensarbete · SLU

… areas are mentioned as undisturbed with lots of large trees, snags and dead wood. Obviously some areas were burnt repeatedly and other areas were not affected at all. An investigation was made from early forest inventories to see if the quantities of volume of standing timber …

Större svartbagge Upis ceramboides i norra Hälsingland

förekomst, substratkrav och effekter av skogsbrukets naturvårdsåtgärder

Examensarbete · SLU

Many wood living insects are considered threatened by modern forestry due to the reduction in amount of dead wood. During the last decade various methods have been used to enhance the quantity of dead wood in managed forests. However little is known how and if these methods are …

Pelletering av tallspån

grundläggande studier

Examensarbete · SLU

Wood pellets are an upgraded product of residuals from several wood processing industries, for example saw mills and pulp industries. The pellets are produced by pressing the milled and dried sawdust to cylindrical units with a higher density than the initial raw material …

Vad tycker skogsägare om virkesinköpare och inköpsorganisationer?

utveckling av ett skogsbolags tjänster och köpverksamhet till privata skogsägare

Examensarbete · SLU

The private forest owners play a key role in the supply of round wood to the Swedish forest industry. Today it is a keen competition between forest companies about the wood from private forest owners. In order to get access to the wood from the private forestry you need to be an …

Planering av väginvesteringar :

Examensarbete · SLU

The problems around and the planning of wood flow is some of the most complex issues in the forest-sector. The experience and overview of the single employees is crucial for the possibility of correct tactical and economical decision-making. The increasing demand of savings and …

Mätning av träddelar och flis på Dåvamyran, Umeå energi :

Examensarbete · SLU

The moisture content in 10 deliveries of tree parts and 10 deliveries of wood residues were measured with different methods to analyze the quality of procedure used at Dåvamyran today. At the same time a survey was made on the measure procedures used at heating plants in Sweden …

Biomass losses during short-term storage of bark and recovered wood

Examensarbete, avancerad nivå · SLU

… the biomass losses from short-term storage (1-2 months) ofbark and recovered wood. The biomass was stored in outdoor piles during differentseasons, campaign 1 (summer) and campaign 2 (autumn). Partial covering withtarpaulins of some of the piles were also investigated. The …

Automatisk tändning till modern vedpanna

Kandidatuppsats · Högskolan i Halmstad

If you have access to wood, a wood burning boiler is a cheap way to heat your home, but it is certainly not the most convenient option. Wood requires many operations and management, which takes time. One way to reduce this workload is to have a modern boiler with automatic …

The effect of new raw materials on pellet prices

Examensarbete, avancerad nivå · SLU

… pellets were done for the raw materials sawdust, wet sawmill chips and energy wood respectively. New raw materials are already used by the large-scale pellet producers in Sweden. It is mainly the large-scale producers that have started to use new raw materials such as energy …

Miljonprogrammet

mytbildning, arkitektur och förnyelse

Kandidatuppsats · SLU

Dead wood is important for many species. The amount of coarse dead wood (diameter >10 cm) is much lower in managed forest than in unmanaged forests. Stumps constitute the largest proportion of the volume of coarse dead wood in managed forests. Since stump harvest for biofuel may …