Essays about: "dead spruce"

Showing result 6 - 10 of 49 essays containing the words dead spruce.

  1. 6. Spruce associated Porodaedalea species distribution in Sweden

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Monica Guilera Recoder; [2022]
    Keywords : Fungi; Genetics; Porodaedalea;

    Abstract : Wood-inhabiting fungi have very important roles in the ecosystem in the degradation of dead wood by acting respectively as parasites and saprotrophs in boreal forests. Porodaedalea chrysoloma is a wood-decay parasite poroid fungi that is considered a key species in the old growth boreal forests. Due to forestry its habitat is declining. READ MORE

  3. 7. Hur påverkar mekaniskt snytbaggeskydd, markberedning, plantstorlek och plantgödsling granplantors överlevnad och tillväxt?

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

    Author : Johanna Abrahamsson; Jessica Wallgren; [2022]
    Keywords : mekaniskt snytbaggeskydd; plantstorlek; markberedning; plantgödsling; föryngringsåtgärder; vitalitet;

    Abstract : Reforestation of land entails both costs and uncertainties. Risk of pine weevil infestation, competition from other vegetation, frost and insufficient nutrient supply are some examples. READ MORE

  4. 8. Count on dead wood : a comparison of nature conservation value assessment methods concerning dead wood

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Andreas Widell; [2022]
    Keywords : conservation value assessment methods; dead wood volume; dead wood diversity; time consumption;

    Abstract : Dead wood is acknowledged world-wide for its interconnection to biodiversity and sustainable forest management. In Sweden, today’s retention forestry requires measures to protect and create dead wood, which raise the need of inventory methods for estimating dead wood quantity and quality. READ MORE

  5. 9. Naturvårdsarter i Harrsjön, Ånge kommun, Västernorrlands län

    University essay from SLU/Dept. of Ecology

    Author : Erica Hästdahl; [2021]
    Keywords : rödlistade lavar; rödlistade mossor; rödlistade vedsvampar; naturvårdsarter; signalarter; skogliga nyckelbiotoper; naturvårdande skötsel; naturvårdsbränning;

    Abstract : Under hösten 2020 utfördes en inventering av naturvårdsarter av kryptogamer i ett tallskogsområde söder om Harrsjön i Ånge kommun, Västernorrlands län. Området är ca 9 ha och ligger inom SCAs markinnehav. READ MORE

  6. 10. The process behind the delimbing of trees

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Martin Sunnälv Persson; [2021]
    Keywords : Thinning; MATLAB; branch distribution; debranching; Gallring; MATLAB; grendistribution; avgrening;

    Abstract : In modern forestry, two types of machines are generally used for thinning, harvesters and forwarders. These machines are large and weigh several tens of tons, this means that they damage the ground when they drive around in the woods. READ MORE