Sökning: "wood-living insects"

Hittade 3 uppsatser innehållade orden wood-living insects.

  1. 1. Longhorn beetles in lesser spotted woodpecker habitat : a pheromone-based inventory of longhorn beetles in southern Sweden

    Master-uppsats, SLU/Dept. of Plant Protection Biology

    Författare :Patrik Jonas Krister Celander; [2020]
    Nyckelord :Longhorn beetle; Cerambycidae; Lesser spotted woodpecker; Dryobates minor; Dendrocopos minor; Pheromone; Conservation;

    Sammanfattning : The understanding of species’ ecology and their trophic interactions, are crucial in the work of conservation. A population decline in a predatory species may be a result of a decline in their food source, a trophic level down. LÄS MER

  2. 2. Hur påverkar naturvårdsåtgärder mängden av vedlevande insekter : Manuellt dödade träd vs självdöda

    Magister-uppsats, Fakulteten för samhälls- och livsvetenskaper

    Författare :Andreas Persson; [2012]
    Nyckelord :snags; wood-living insects; manually killed trees; vedinsekter; högkapning; ringbarkning; självdöda;

    Sammanfattning : Today’s forest managers implement a large number of methods to increase the amount of dead wood in Swedish forests. They use everything from high cutting of trees to girdling trees and burning forests. However, implementation of these measures without proper knowledge of their consequences is a common problem. LÄS MER

  3. 3. Större svartbagge Upis ceramboides i norra Hälsingland : förekomst, substratkrav och effekter av skogsbrukets naturvårdsåtgärder

    L3-uppsats, SLU/Dept. of Entomology

    Författare :Carola Orrmalm; [2004]
    Nyckelord :Upis ceramboides; större svartbagge; död ved; vedlevande insekter; skogsbruk; naturvårdsåtgärder;

    Sammanfattning : Many wood living insects are considered threatened by modern forestry due to the reduction in amount of dead wood. During the last decade various methods have been used to enhance the quantity of dead wood in managed forests. However little is known how and if these methods are aiding saproxylic insects. LÄS MER