Search for dissertations about: "Aerial protection"

Found 3 swedish dissertations containing the words Aerial protection.

  2. 1. Sheltered Society : Civilian Air raid shelters in Sweden — from idea to materiality, 1918-1940 and beyond

    Author : Peter Bennesved; Finn Arne Jørgensen; Christer Nordlund; Thomas Kaiserfeld; Umeå universitet; []
    Keywords : HUMANIORA; HUMANITIES; Air raid shelters; Civil defense; Aerial protection; History of Technology; Multi Level Perspective; Large Technical Systems; Fortifications; Networks; idé- och lärdomshistoria; History Of Sciences and Ideas; History; historia;

    Abstract : In 2002, Sweden finally stopped producing air raid shelters for its population after over sixty years of continuous production since 1938. Judging from the Swedish Civil Contingencies Agency, MSB, the Swedish Air raid shelter registry contain about 65,000 air raid shelters registered as being in use. READ MORE

  4. 2. Internal oxygen transport to below-ground parts: importance for emergent macrophytes

    Author : Viveka Vretare Strand; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Växtekologi; Plant ecology; water depth; zonation; phenotypic plasticity; biomass allocation; pressurised ventilation; oxygen; Phragmites australis; emergent macrophytes; common reed; Hydrobiology; marine biology; aquatic ecology; limnology; Marinbiologi; limnologi; akvatisk ekologi; Ecology; Ekologi;

    Abstract : This thesis examines factors regulating growth and distribution of emergent plants with focus on effects of oxygen supply to the roots. Greenhouse experiments revealed that P. australis acclimatizes to specific water depths with phenotypic plasticity. READ MORE

  5. 3. Forest water governance : challenges in cross-sectoral and multi-level collaboration

    Author : Irina Mancheva; Katarina Eckerberg; Anna Zachrisson; Susan Baker; Umeå universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Forest water; Governance; Cross-sectoral governance; Multi-level governance; Governance mode; Collaborative governance; Natural resource management; Environmental policy; Water Framework Directive;

    Abstract : Forests and water are highly interconnected with forestry practices negatively affecting forest water. In the last five decades, the Swedish state has enacted multiple policy changes and allocated significant resources towards the implementation of soft policy instruments to alleviate the effects on forest water. READ MORE