Sökning: "weather damage"

Visar resultat 1 - 5 av 26 avhandlingar innehållade orden weather damage.

  1. 1. Pathogens and other threats to Pinus contorta in northern Sweden

    Författare :Margareta Karlman; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Pinus contorta; Pinus sylvestris; provenance; weather damage; vole damage; parasitic fungi; Gremmeniella abietina; Phacidium infestans; Sweden;

    Sammanfattning : The background to the large-scale planting of Pinus contorta in northern Sweden is reviewed with an account of the distribution and characteristics ofPi nus contorta within its natural range in western North America. The threatsto successful planting of exotics are discussed in relation to the historicalbackground. LÄS MER

  3. 2. Windstorms in Sweden - variations and impacts

    Författare :Carin Nilsson; Institutionen för naturgeografi och ekosystemvetenskap; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; climate impact; geostrophic wind; Gudrun; Anatol; wind throw; forest damage; storm damage; Sweden; wind climate; windstorm;

    Sammanfattning : Windstorms have caused severe damage on several occasions in Sweden during the last century. A general concern about future projections of climate extremes has raised questions on the variations and impacts of windstorms. LÄS MER

  4. 3. Stopover Ecology of Mallards : Where, when and how to do what?

    Författare :Daniel Bengtsson; Jonas Waldenström; W. Michael Eichholtz; Linnéuniversitetet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Age characters; body condition; departure decision; effects of influenza A virus; habitat selection; mallard; movement; Ottenby Bird Observatory; stopover ecology; weather; wild birds; Ecology; Ekologi;

    Sammanfattning : The mallard (Anas platyrhynchos) is the most numerous and widespread duck in the northern hemisphere and a model species in ecology and harvest management. Migration is a crucial life stage for many birds and understanding the drivers of migration has important implications for conservation biology and assessment of animal population responses to global changes. LÄS MER

  5. 4. Managing knowledge sharing of extreme weather induced impacts on land transport infrastructure : Case study of the Swedish Transport Administration

    Författare :Monika Rydstedt Nyman; Lars Nyberg; Magnus Johansson; Eva Liljegren; Peter Söderholm; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; lessons learned; risk management; climate change adaptation; accident investigation method; extreme weather events; natural hazard; land transport infrastructure; maintenance; lärande; kunskapsåterföring; risk hantering; klimatanpassning; olycksutredningsmetod; naturolyckor; landtransport infrastruktur; underhåll; Risk and Environmental Studies; Risk- och Miljöstudier;

    Sammanfattning : Extreme weather events and effects of climate change are threats to the transport sector’s functionality and safety. Risk management in this context implies a necessity to focus on the connection between near-term experiences and coping strategies on one hand, and long-term adaptation analyses on the other. LÄS MER

  7. 5. Monitoring forest damage : methods and development in Sweden

    Författare :Sören Wulff; Sveriges lantbruksuniversitet; Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES;

    Sammanfattning : The aims of the work this thesis is based upon were to assess past and current methods of monitoring forest damage in Sweden and to propose key components of a new monitoring system that would be better adapted to the information requirements. A utilitarian perspective is adopted in the thesis, thus forest damage is defined as anything that reduces the vitality of trees in a forest or their economic value. LÄS MER