Advanced search

Showing result 1 - 5 of 19 essays matching the above criteria.

  1. 1. Exploring patterns in risk factors for bark beetle attack during outbreaks triggered by drought stress with harvester data on attacked trees: A case study in Southeastern Sweden

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Nikolaos Kouskoulis; [2023]
    Keywords : Geography; GIS; Geographic Information Science; Forest ecosystems; Bark beetle outbreak; Southeastern Sweden; Predisposing factors; Triggering factors; Drought stress; Earth and Environmental Sciences;

    Abstract : ABSTRACT Raising temperatures and climate variability have intensified extreme weather events worldwide. These extremes can enhance and trigger possible pest outbreaks. Bark beetle attacks have become a major concern in regions with extensive spruce forest areas. Southeastern Sweden has faced repeated outbreaks resulting in widespread tree loss. READ MORE

  2. 2. Relationen mellan ståndortsindex, markfuktighetsklass och granbarkborreangrepp i Uppsala och Västmanland

    University essay from SLU/School for Forest Management

    Author : Anton Pettersson; Mattias Nilsson; [2022]
    Keywords : bonitet; Ips Typographus; trädslagsval;

    Abstract : De senaste tre åren har i genomsnitt 25 procent av den magra marken planterats med gran i Sverige. Gran växer bäst på bördiga marker med god markfuktighet. Trenden har lett till att Skogsstyrelsen meddelat ett stopp för föryngring av gran på tallmark fr.o. READ MORE

  3. 3. The effect of forestry and cervid densities on annual growth of ericaceous shrub species

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Alina Sayn; [2021]
    Keywords : production forest; conifer; silviculture; plant-animal interaction; forest management; ungulate;

    Abstract : Ericaceous shrubs, such as bilberry (Vaccinium myrtillus), cowberry (V. vitis-idaea), and heather (Calluna vulgaris), dominate the understory in Swedish forests. Their important role of providing forage for wild deer is well established. READ MORE

  4. 4. Effects of wild boar (Sus scrofa) on soil processes and tree growth

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Andreas Lundgren; [2021]
    Keywords : Wild boars; soil processes; tree growth; Vildsvin; markprocesser; trädtillväxt;

    Abstract : Wild boars (Sus scrofa) have increased rapidly in population size and home range since their reintroduction to the Swedish fauna. Through their rooting behaviour, the boars can cause great disturbance to the ecosystem. READ MORE

  5. 5. Tillståndet för skogar med bombmurkla, Sarcosoma globosum, i Uppsala län

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Josefine Kyhlström Blomqvist; [2020]
    Keywords : bombmurkla; Sarcosoma globosum; fridlyst art; inventering; skogstillstånd; skyddad skog; granbarkborre; Uppsala län;

    Abstract : Bombmurklan, Sarcosoma globosum, är en skålsvamp som normalt växer under vårvintern i barrmatta samt i mossvegetation i äldre granskogar på väldränerad mark. I södra och mellersta Sverige förekommer arten ofta i blockig terräng på moränmark eller i sluttningar. READ MORE