Essays about: "Bark"

Showing result 1 - 5 of 247 essays containing the word Bark.

  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

  3. 2. To Activate, Expose and Elicit thinking : a three step journey Teacher actions and student thinking in 18 Swedish mathematics classrooms in upper secondary

    University essay from KTH/Lärande

    Author : Carina Bark; [2023]
    Keywords : mathematical thinking; classroom observations; thinking progression; higher order thinking skills; HOTS; mathematics education; upper secondary; matematiskt tänkande; klassrumsobservationer; högre ordningens tänkande; tänkande-progression; HOTS; matematikundervisning; gymnasium;

    Abstract : Today’s research, as well as current Swedish governance documents, stress the high importance of developing students’ abstract, individual and critical thinking in mathematics education. The needs for such quality thinking however stand in stark contrast to the ‘traditional mathematics education’, which cannot be expected to develop such thinking. READ MORE

  4. 3. Scots pine (Pinus sylvestris L.) morphological variation in the Massif Central region, France. : A study of differences in traits between populations.

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

    Author : Amanda Johansson; [2023]
    Keywords : ;

    Abstract : Scots Pine (P. sylvestris L.) has one of the largest distributions among trees in Eurasia. It is important both economically and ecologically, with a dominant role in forests ecosystems. READ MORE

  5. 4. Population dynamics of the spruce bark beetle Ips typographus in forest conservation areas and the interaction with biodiversity and natural enemies

    University essay from SLU/Dept. of Ecology

    Author : Evelina Andersson; [2023]
    Keywords : spruce bark beetle; population dynamics; conservation areas; biodiversity; natural enemies; species richness; managed forests; woodland key-habitats; nature reserves;

    Abstract : Biodiversity is rapidly decreasing and in need of more conservation efforts. However, the tree-killing European spruce bark beetle, Ips typographus (L.), has made forest conservation controversial by affecting conservation areas and possibly adjoining managed forests, yet is still a keystone species leaving decaying wood promoting biodiversity. READ MORE

  6. 5. Granbarkborreangrepp i och kring naturreservat : hur påverkar åtgärder?

    University essay from SLU/Dept. of Ecology

    Author : Martin Erik Westerling; [2023]
    Keywords : Ips typographus; granbarkborre; åttatandad barkborre; naturreservat; naturskydd; randbarkning; barkning; skogsbruk; utbrott; bekämpning;

    Abstract : Granbarkborren (Ips typographus) orsakar en stor skada i dom svenska skogarna. Från dom senaste 120 åren finns data som visar många av dom större granbarkborreangreppens påverkan. Inget utbrott finns registrerat som går att jämföra med det utbrott som startade efter den rekordvarma sommaren 2018. READ MORE