Essays about: "friställning"

Showing result 6 - 8 of 8 essays containing the word friställning.

  1. 6. Kan biologisk mångfald ökas i ett avsatt skogsområde? : skötselplan för Storskogsberget på Holmen skogs marker, distrikt Umeå

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Linnea Forsmark; [2007]
    Keywords : biologisk mångfald; skötselplan; naturvärdesbedömning;

    Abstract : The biodiversity of the Swedish forest has degenerated since the beginning of the 19th century when fire suppression and large scale logging first occurred. Together with a changed land use, these actions today have had a negative influence on many forest dwelling species, due to gradual reduction of natural processes, successions and different structures from the forest ecosystem. READ MORE

  3. 7. Tillväxtreaktion hos skärmträd i högskärm av gran i Medelpad

    University essay from SLU/Dept. of Silviculture

    Author : Anders Sjöström; [2005]
    Keywords : gran; tillväxtreaktion; skärmskogsbruk; skärmträd;

    Abstract : Different methods for shelterwood cutting have been used in differ-ent parts of Europe since the middle ages. The use of shelter wood cutting in Norway spruce (Picea abies (L.) Karst. READ MORE

  4. 8. Tillväxtreaktion på kvarlämnade träd i Hagners "Naturkultur" försök

    University essay from SLU/Dept. of Silviculture

    Author : Daniel Ågren; [2005]
    Keywords : tillväxtreaktion; fördröjning; friställning; kvarlämnade träd; grundytetillväxt; huggningsstyrka; naturkultur;

    Abstract : The primary goal of this study was to investigate how the radial growth of retained trees responds after thinning-from-above. The National Board of Forestry which initiated this study, was interested in whether there were differences in the growth-response between the tree species Scots pine (Pinus sylvestris L.) and Norway spruce (Picea abies (L. READ MORE