Essays about: "dead spruce"

Showing result 1 - 5 of 42 essays containing the words dead spruce.

  1. 1. 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

  3. 2. 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

  4. 3. 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

  5. 4. How do saproxylic beetles differ in spruce (Picea abies) forests of different age? : A comparison between nature reserves and production forests, in county of Östergötland.

    University essay from Linköpings universitet/Institutionen för fysik, kemi och biologi

    Author : Rebecca Petersen; [2021]
    Keywords : ;

    Abstract : Today, old growth forests are continuously decreasing, due to deforestation, threatening species to extinction. Species dependent on dead wood, different stages of decaying wood, large trees, and forest cover continuity have a particularly high risk of extinction, such as saproxylic beetle species. READ MORE

  6. 5. Effect of experimental warming and assembly history on wood decomposition

    University essay from Mittuniversitetet/Institutionen för naturvetenskap

    Author : Saba Hagos; [2020]
    Keywords : wood decay fungi; species composition; assembly history; warming; temperature; fungal growth; decomposition; carbon dioxide; climate feedbacks; species priority; polypore; microcosm; Norway spruce;

    Abstract : Sammanfattning: Wood decay fungi are the main decomposer of lignocellulose material stored in wood. Thus, all factors that affect them could affect their ecological function. This in return, may affect ecosystem functioning in terms of altered carbon emissions from dead wood. READ MORE