Essays about: "snags"

Showing result 6 - 10 of 15 essays containing the word snags.

  1. 6. Spatial analysis of forest fires in Norra Kvill National park

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Mathias Borehag; [2015]
    Keywords : forest-fire; fire-history; Norra Kvill NP; Scots pine Pinus sylvestris;

    Abstract : The spatial aspect of the fire history of Norra Kvills national park in south eastern, hemi boreal Sweden was reconstructed by cross dating of trees, stumps and snags of Scots pine (Pinus sylvestris). Between 1401 and 1798 forty eight different fires were recorded and 35 of these could be spatially reconstructed. READ MORE

  3. 7. Environmental variables determining the occurrence of Cladonia parasitica and Hertelidea botryosa, two boreal lichens confined to wood

    University essay from SLU/Dept. of Ecology

    Author : Ingela Källén; [2015]
    Keywords : Hertelidea botryosa; Cladonia parasitica; biodiversity; nature conservation; forestry;

    Abstract : Biodiversity is essential for human well-being and it is defined as the genetic variation within species and the variety of species and ecosystems. Biodiversity provides several ecosystem services which are necessary for human beings but there are different threats towards the biodiversity. READ MORE

  4. 8. Environmental variables determining the occurrence of the red-listed Carbonicola anthracophila and C. myrmecina in boreal forests

    University essay from SLU/Dept. of Ecology

    Author : Fiona Grossmann; [2014]
    Keywords : forest fires; biodiversity; nature conservation; forestry; prescribed burning;

    Abstract : The global biodiversity loss is mainly due to human activities such as an intensification of forestry. Boreal forest ecosystems in Fennoscandia are characterized by disturbances such as forest fires, storms and floods. READ MORE

  5. 9. Val av markbehandlingsmetod inom Sveaskogs innehav i norra Sverige

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

    Author : Anton Larsson; [2011]
    Keywords : markberedning; högläggning; harvning; planteringspunkt; produktion; ståndortsanpassning;

    Abstract : Syftet med studien var att undersöka (i) planerarnas val av markberedningsmetod (främst avseende harvning och högläggning) i relation till terrängens svårighetsgrad, samt inverkan av (ii) markbehandlingsmetod och (iii) markberedningens utförande på markberedningsresultatet och plantornas etablering. Tre material användes; ett övergripande inventeringsmaterial med godkända, optimala och underkända planteringspunkter samt antal markberedningsrader per 100m, ett detaljerat inventeringsmaterial med beskrivning av markberedningspunkter och resultat från en kontrollinventering av svårighetsgradsbedömning samt ett material från Sveaskogs register avseende återväxtkontrollerade objekt med antal etablerade huvudstammar efter 1-3år vid olika markberedningsmetod, svårighetsgrad och bonitet. READ MORE

  6. 10. Har antalet naturvärdesträd i Sverige förändrats mellan 1999-2009?

    University essay from SLU/Dept. of Ecology

    Author : Ida Karlsson; [2010]
    Keywords : naturvärdesträd; generell hänsyn; 30 § SVL;

    Abstract : Forestry and forest products are vital components of the Swedish economy but the forest is also important for recreation, hunting, out-door life and conserving biodiversity. The Swedish Forest Act has two equally important objectives, production and environmental protection. READ MORE