Essays about: "conservation on forest"

Showing result 6 - 10 of 362 essays containing the words conservation on forest.

  1. 6. Värdväxter hos Coleophora - säckmalar : koppling till utbredning och hotstatus

    University essay from SLU/Dept. of Ecology

    Author : David Lundgren; [2023]
    Keywords : värdväxter; insekter; nattfjärilar; säckmalar; Lepidoptera; Coleophora; lövminerare; småfjärilar; fjärilslarver; rödlistade arter; hotade arter; pollinerare;

    Abstract : Att stoppa utarmning av biologisk mångfald och livsmiljöer är en stor utmaning och en ödesfråga för mänskligheten. Klimatförändringar, exploatering, kalhyggesskogsbruk, intensivt brukad jordbruksmark, invasiva arter och miljögifter medför att jorden är inne i sitt sjätte utdöende. READ MORE

  3. 7. Modelling the Water Table in a Bog

    University essay from Lunds universitet/Fysiska institutionen; Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Tobias Bowley; [2023]
    Keywords : Physics and Astronomy;

    Abstract : Over the past five years, an ongoing study at INES, Lund University, have examined the encroachment of trees and vegetation into a bog ecosystem in northern Scania, Sweden. While several factors have been identified as contributing to this ecological transformation, including, nutrient availability, and climate, the hydrological aspect remains a key area of investigation. READ MORE

  4. 8. Forest fertilization does not cause any long-term effects on tree growth or vegetation composition

    University essay from SLU/Dept. of Ecology

    Author : Yixian Chen; [2023]
    Keywords : density; ground vegetation; height; stem radial growth; legacy nitrogen effect; soil total N and C N ratio; tree;

    Abstract : Forest fertilization is considered one of the most effective management options to improve forest productivity. In Fennoscandia, nitrogen (N) fertilization has been practiced for over 50 years and is normally added in the form of granules of NH4NO3 at least 15 years prior to the final harvest. READ MORE

  5. 9. Relations between tree and habitat characteristics and the epiphytic lichen flora on oak : a case study from Lövön, Bohuslän

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Julia Siegel; [2023]
    Keywords : Epiphytic lichens; Tree characteristics; Habitat characteristics; Oak; Biodiversity; Natural values; Light availability;

    Abstract : Oak-rich forests and wooded pastures harbor diverse and distinct epiphytic lichen flora with many rare and threatened species. As these habitats have been subject to a substantial decline and degradation over the past centuries, oak woodlands have progressively come into focus for preservation. READ MORE

  6. 10. Managing diversity : the forest development types as a framework for management within mixed forest systems

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Pernilla Fridberg; [2023]
    Keywords : urban forestry; urban woodland; recreational forests; forest structure; vegetation structure; forest development types; mixed forest systems; forest management; close-to-nature management; Scanian forest systems; sustainable forest management; ecological values; resilience; sustainable cities; biodiversity; ; profile diagrams; conservation efforts; herbaceous mixed stands; species diversity; reference landscapes; forest communities;

    Abstract : The demand for both biodiversity and recreational forests is increasing. Management methods under the umbrella term Close-to-Nature management, which aims to incorporate natural successional patterns and disturbances, is considered preferable to traditional forest management methods in terms of both recreational and ecological values (Wimberly et al. READ MORE