Essays about: "conservation of trees"

Showing result 31 - 35 of 170 essays containing the words conservation of trees.

  1. 31. Grandödens och andra faktorers effekt på aspens lavflora i Fiby urskog

    University essay from SLU/Dept. of Ecology

    Author : Tore Dahlberg; [2021]
    Keywords : Fiby; granbarkborre; lavar; asp; ljus;

    Abstract : Fiby urskog är sedan lång tid tillbaka känt för en stor biologisk mångfald med många hotade arter. Bland annat finns en intressant lavflora knuten till områdets gamla aspar. Under sommaren 2019 dog stora delar av områdets granar av granbarkborreangrepp. READ MORE

  3. 32. Factors influencing the white-backed woodpeckers' (Dendrocopos leucotos) choice of feeding trees in the Umeå region

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Elias Rankka; [2021]
    Keywords : ;

    Abstract : Saving the white-backed woodpecker (Dendrocopos leucotos) from extinction in Sweden has been an ongoing struggle for decades. Despite this, there have been remarkably few studies on the species ecology in Sweden, especially in the north. READ MORE

  4. 33. Post-fire community changes in peatland dwelling beetles : A before-after-control impact study of beetle communities in Swedish mires after a megafire

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Janina Happ; [2021]
    Keywords : Coleoptera; Mires; Peatlands; Wildfire; Forestfire; Megafire;

    Abstract : As a consequence to climate change and resulting severe weather events such as prolonged hot and dry periods, wildfire frequency increases globally. Progressively, these effects are noticeable in high latitude countries such as Sweden where a megafire burned 13 100 ha of managed coniferous forest in 2014. READ MORE

  5. 34. Searching for the greater Capricorn beetle : a methodological review of training dogs for a conservational purpose

    University essay from SLU/Dept. of Animal Environment and Health

    Author : Linnea Ingelsbo; [2021]
    Keywords : dog search; Cerambyx cerdo; conservation detection dog; quercus; dog behaviour; swedish oak history;

    Abstract : The Greater Capricorn beetle Cerambyx cerdo is an endangered species both in Sweden (CR) and internationally (VU). The substrate, old Oak, dropped heavily in numbers in Sweden during the 19th century, which left the beetle without suitable habitats. The only remaining population is on Öland, an island on the Swedish east coast. READ MORE

  6. 35. Effects of active and passive conservation on forest structure and bird diversity in Färna Ecopark

    University essay from SLU/School for Forest Management

    Author : Arvid Sandström; [2021]
    Keywords : biodiversity; deciduous forest; avifauna;

    Abstract : Voluntary set-asides are an important part of the conservation of forest species in Sweden. Set aside stands are either treated passively by leaving them untouched (in Swedish abbreviated as NO) or with active, often invasive maintenance (NS). READ MORE