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The aim of this essay was to study the nitrogen flow in two willow plantations, at different locations in the south of Sweden, that were irrigated with sewage. The study was also performed to compare the differences in nitrogen flows between two years, 1998 and 1999. The study …
en analys av orsaker och effekter
… nowadays as well. Modern draining is due to facilitate the growth for newly planted saplings of spruce or pine in former areable areas or in entirely felled forest areas. This paper contains a description of the reasons for the lowering projects, and ditching, based on a …
… request of Norrköping Miljö & Energi, due to the planning of an incineration plant. The inventory of the waste was performed through inspection of environmental impact reports, from waste disposal plants in a number of local government areas in the region. The quantities were …
… local authorities are what to do with the sludge produced insewagetreatment plants. The tax for landfill leads to higher costs with 250 SEK/ton. On the 31December 2004 it will be forbidden to landfill sludge. In Sweden the yearly production of sludge is 240 000 tons, counted as …
en studie i norra Island
… get a better result. Field measurements, missing provenience data, different plant age and different size of the plants when planting them are some of the most prominent sources to errors in the growth data. Only field measurements are supposed to give an error of 5 to 10 …
… are clearing of a felling area, regeneration felling, soil scarification, planting, precommercial thinning, thinning, and change of ownership. This study has been done as a master's thesis for a master of scince in forestry at the Swedish University of Agriculture Sciences …
ett exempel på medbestämmande planering
… values of the area and the wetland will give habitat for a lot of species of plants and animals.
utbud, efterfrågan och lönsamhet
This thesis is about Christmas tree plantations in Sweden, and if its profitable to produce Christmas trees in Sweden. Sweden has 4,3 million households, 3 million of these households buys Christmas trees. 80 % of these Christmas trees are Norway Spruce (Picea abies), which is …
Uppsatsen behandlar felbegreppets tillämpning på skogsplantor. Lagstiftningen inom området skog och skogsplantor är relativt omfattande men skogsplantor är biologiska produkter varför lagstiftning inte helt kan förhindra att skador eller sjukdomar ändå uppstår. Det är helt …
En jämförelse mellan nätarmerade och fiberarmerade betong plattor
… skall klara att överföra laster till underlaget samt utgöra ett fast och plant underlag. I denna rapport har två utföranden av påldäck för golv i lagerlokaler jämförts. Den traditionella metoden med armeringsnät har jämförts med en något nyare metod med stålfiberarmerad betong …
… but the fish is contaminated with L. monocytogenes in the production plant. Contamination most likely occurs during the preparation, principally during the brining process, in the factory. Since the gravad and cold smoked fish is not supposed to be heated before eating there is …
Carabidae) i hävdade strandnära gräsmarker :
… height. This could indicate a bottom-up-control system, not as dependent on plant species diversity as on structural heterogeneity. A high structural heterogenity is providing conditions for many niches. Most moisture dependent carabids show a similar life cycle. They are all …
är produktionen hållbar?
… was to investigate the hypothesis that Norway spruce (Picea abies L. Karst), planted on poor ”Scots pine” stands will not have sustained growth during the whole rotation, due to water deficit in the closed stands. In order to investigate this hypothesis, data from 10 Norway …
beskrivning av en gallringsmodell för granskog som tillämpas på Trolleholms Gods
When Norway spruce is planted with large initial spacing and grows on highly productive sites in southern Sweden, a high proportion of the stems gets broad annual rings. The thinning programme carried out at the estate of Trolleholm aims to extract stems with too broad ring …
två enkätstudier
… kraft, skala, diversitet, helhetskaraktär och platsens anda. Genom målimiktad plantering och skötsel kan skogen längs vägar underlätta för trafikanter. Skogen och enskilda träd kan ge optisk ledning, underlätta fart- och avståndsbedömning, fungera som skydd mot vind och snö …
