Sökning: "Torbjörn Gran"

Hittade 2 uppsatser innehållade orden Torbjörn Gran.

  1. 1. Risken för spridning av röta vid förröjning i granskog i södra Sverige

    L3-uppsats, SLU/Southern Swedish Forest Research Centre

    Författare :Torbjörn Carlsson; [2007]
    Nyckelord :röta; rotröta; rotticka; röjning; förröjning; underröjning; spridning; PCT;

    Sammanfattning : Root rot causes large economical losses for Swedish forestry. The spread of root rot can partly be prevented by treating the spruce stumps in thinnings. Late pre-commercial thinning (PCT) is one of the forestry measures where stump treatment is not used. LÄS MER

  2. 2. Using a spatially precise approach to analyse the occurrence of Usnea longissima in relation to present and past stand structure : a case study in boreal Scandinavia

    L3-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Torbjörn Josefsson; [2004]
    Nyckelord :stand history; nature conservation; adaptive forest management;

    Sammanfattning : To maintain biodiversity in managed forests, long-term trends in forest structure and ecological processes must be understood since these have a decisive influence on the distribution of many forest species, especially epiphytic lichens. To enhance the understanding of the complex occurrence of Usnea longissima Ash. LÄS MER