Essays about: "Threat tree"

Showing result 11 - 15 of 47 essays containing the words Threat tree.

  1. 11. Vitality of Sycamore maple (Acer pseudoplatanus) in southwest Sweden

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Karin Pershagen; [2021]
    Keywords : invasive species; climate adaptation; tree vitality; epiphytes; sooty bark disease;

    Abstract : Non-native tree species provide alternatives for forestry that needs to adapt to climate change and multiple public demands. In Sweden, Sycamore maple (Acer pseudoplatanus) is a non-native tree species with potential, both in wood production and as a support to biodiversity in woodlands and in urban settings. READ MORE

  3. 12. Occurrence of Phytophthora species in soils, and functional analysis of soil microbiomes on Biolog EcoPlates : a study on commercial soils, and forest and urban soils

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Catharina Schmidt; [2020]
    Keywords : Phytophthora; Fagus sylvatica; Quercus robur; soils; Biolog EcoPlates; Metabolic diversity;

    Abstract : Tree pathogenic Phytophthora species have been identified as a threat to health and stability of forests und urban trees. In Sweden most Phytophthora species are non-native and potentially invasive, and thus it is important to control their spread. READ MORE

  4. 13. The effect of habitat type on farmland bird populations : In Tarnava Mare Natura2000 reserve, Romania

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning; Uppsala universitet/Institutionen för ekologi och genetik

    Author : Krisztina Csiki; [2020]
    Keywords : farmland; birds; agriculture; Tarnava; Mare; Natura2000; reserve; yellowhammer; tree sparrow; skylark; red-backed shrike; common whitethroat;

    Abstract : Widespread extinction is a critical threat to biodiversity and is largely caused by human overexploitation of habitat and populations. A widely used and hence well studied organism group for indication of biodiversity is birds. READ MORE

  5. 14. Exotiska träd och ståndortsförbättring : två modeller för att hantera framtida klimatutmaningar för urban trädanvändning

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

    Author : Johan Nilsson; [2020]
    Keywords : stadsträd; exotisk; inhemsk; jordförbättring; ekosystemtjänster; invasiv; trädsjukdomar SLU; Sveriges;

    Abstract : I takt med att klimathotet blir allt mer reellt ställs större krav på utformningen av framtidens städer. Högre temperaturer, ökande nederbördsmängder och risken för torka gör att vi tvingas förändra sättet vi ser på stadsutveckling. READ MORE

  6. 15. Methods for rockfall risk assessment and estimation of runout zones: A case study in Gothenburg, SW Sweden

    University essay from Lunds universitet/Geologiska institutionen

    Author : Laura Catalina Agudelo Motta; [2020]
    Keywords : Rockfall hazard; rockfall simulation; Gothenburg; Fjällbo; runout zones; Earth and Environmental Sciences;

    Abstract : Rockfalls occur around Sweden every year and the country lacks a national risk evaluation and an adequate regulatory framework for construction related to this natural hazard. The aim of this study is to address this problem by mapping areas under possible threat of rockfalls, considering two fundamental aspects: i) identification of the source areas and ii) estimation of the runout zones. READ MORE