Uppsatser om trees

355 uppsatser · sida 1 av 24

Att restaurera forna tiders beståndsstruktur

ett exempel från Jämtgaveln

Examensarbete · SLU

… structures and qualities to be re-created are for example broad leaf stands, trees with large diameter, heterogeneous stands regarding variables such as age and diameter. If we increase our knowledge of the constitution of forests characterized by fire, then we will be able to …

Trädens betydelse för gatan :

Examensarbete · SLU

”The trees importance to the street” discusses just that, the trees importance to the street. The purpose of this paper has been to examine what influence the trees have on streets. By writing about good examples of how trees can add good qualities to a street I wish to inspire …

Vetlandas gatuträd

analys av trädens upplevelsekvalitéer

Examensarbete · SLU

Street trees have had a prominent role in Vetlandas history from the turn of the century up to present day. Many trees have unfortunately been taken away through the ages, but most of them luckily remains and most of the streets in central Vetlanda are still tree lined. The …

Mortalitet av bok i Biskopstorp och Frodeparken naturreservat, Halland :

Examensarbete · SLU

… was placed in each stand, in which the diaineter on both dead and living trees with a minimum diameter of 50 mm was recorded. On seven to 13 dead trees, depending on the size of each stand, decomposition stage, primary and secondary cause of death, amount of fungi and the type …

Trädens utveckling efter att de har lämnats som naturhänsyn

tillväxt, mortalitet och strukturell förändring 6-18 år efter avverkning

Magisteruppsats · SLU

… makes a long-term difference, it is important to know what happens to these trees after harvest. Few studies have made an assessment of what happens to retention trees over a longer time period. In this study I inventoried retention trees that were left at clear-cuts six, twelve …

Tillväxtreaktion hos skärmträd i högskärm av gran i Medelpad :

Examensarbete · SLU

… problems are increased risk of wind throw and damage of the remaining shelter trees caused by the cutting operation. Positive effects are for example a valuable growth in the remaining trees and increased biological di-versity. This study is based on a total of 79 trees from 4 …

Vedrötor i stadsträd

biologi, detektionsmetoder och förebyggande åtgärder

Examensarbete · SLU

Urban trees have very little in common with trees on natural sites, such as forests or pastures. Trees in urban environments are often planted in packed soil and in small volumes. This can lead to decreased availability of water and oxygen, as well as deteriorated ability for …

Jätteträd ? inventering, bevaring, skötsel samt rekrytering :

Examensarbete · SLU

… Christinehofs Förvaltning AB. My main task was to make an inventory of giant trees at the estate. Högestad and Christinehof,which with their total possession of 13 000 ha of land is the biggest estate in Scania. A giant tree is a tree with a diameter in breast height more then 1 …

Det enskilda trädet som meningsbärare

erfarenheter av två trädplanteringsprojekt i Helsingborg

Examensarbete · SLU

Individual trees can act as carriers of meaning. When a person attributes deep meanings to a specific tree, a relationship between the person and the tree is created. To avoid conflicts between users and planners, increased awareness is required of how important individual trees …

Hur påverkar naturvårdsåtgärder mängden av vedlevande insekter

Manuellt dödade träd vs självdöda

Magisteruppsats · Karlstads universitet

… of dead wood in Swedish forests. They use everything from high cutting of trees to girdling trees and burning forests. However, implementation of these measures without proper knowledge of their consequences is a common problem. This study has been performed to increase …

Skogsskötsel för att minimera stormfällning över järnväg :

Examensarbete · SLU

… of electrical power. Interruptions in different activities because of fallen trees cost a great deal of money in form of reparations and claimed damages for transport companies and electrical suppliers. Fallen trees along some railway sections are a severe problem. For instance …