7 uppsatser
tillväxt, mortalitet och strukturell förändring 6-18 år efter avverkning
Today green tree retention, together with leaving dead wood, is a common practice with the aim to reduce negative impacts on biodiversity and environment due to clear-felling. To better understand whether this conservation practice also makes a long-term difference, it is …
… relic of antiquity, areas with high environmental value and obvious green tree retention. In relation to the goal of not having any deviation concerning obvious nature trees, Holmen Skog AB wants in a more extensive way measure to what extend the nature trees are reserved in …
… of biodiversity-orientated management practices. One of them is Green-tree retention cutting (GTR) which is a modification of traditional clear-cutting and implies that some living trees are left on the cut area.The Swedish model of forestry builds on three different levels of …
… consideration had decreased significantly from P1 inventory to re-inventory. Retention trees had declined the most, 7.9% of the total volume of retention trees was gone. Taking conservation in to consideration at final felling sites by retenetion of trees and habitats with high …
En jämförelse mellan certifierade och o-certifierade hyggen
… forest clearings were quantified through an inventory of the number of retention trees, dead trees and snags. The result showed that the retained number of the investigated parameters varied greatly between individual clearings, regardless of certification status. However, the …
a comparison between clear-cuts areas with and without retention trees in pine forests
Under det senaste årshundradet har de svenska skogarna genomgått en omfattande förvandling, från mer eller mindre naturligt dynamiska till hårt brukade skogar bestående av monokulturer av tall eller gran. Denna förändring har lett till en minskning av den biologiska mångfalden …
en jämförelse i praktiken mellan FSC och PEFC i Sydsverige
… were amount of created and left behind dead wood and number of large retention trees. At estate level I analysed the proportion of deciduous trees whitin a stand and the proportion of deciduous-dominated stands, spruce proportion in nemoral zone, proportion of protected forests …
