Sökning: "Per Stenberg"

Visar resultat 11 - 13 av 13 avhandlingar innehållade orden Per Stenberg.

  1. 11. Trophic, Indirect, and Evolutionary Interactions in a Plant–Herbivore–Parasitoid System

    Författare :Johan Stenberg; Lars Ericson; John Parker; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Plant resistance; coevolution; herbivory; Skeppsvik; food web; parasitism; maternal effect; natural selection; Filipendula ulmaria; Chrysomelidae; Terrestrial ecology; Terrestisk ekologi;

    Sammanfattning : The aim of this thesis project was to elucidate patterns and processes associated with the biotic interactions in a natural plant–herbivore–parasitoid food web characterized by spatial and temporal heterogeneity with regard to species composition. The system examined is based on island populations of the perennial herb Meadowsweet (Filipendula ulmaria, Rosaceae), located in the Skeppsvik Archipelago. LÄS MER

  3. 12. Severe traumatic brain injury : clinical course and prognostic factors

    Författare :Maud Stenberg; Britt-Marie Stålnacke; Richard Levi; Jan Lexell; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Severe traumatic brain injury; outcome; rehabilitation; prognosis; rehabiliteringsmedicin; Rehabilitation Medicine;

    Sammanfattning : Traumatic brain injury (TBI) constitutes a major health problem and is a leading cause of long-term disability and death. Patients with severe traumatic brain injury, S-TBI, comprise a heterogeneous group with varying complexity and prognosis. LÄS MER

  4. 13. Self-rated health and respiratory symptoms among civil aviation pilots : Occupational and non-occupational risk factors

    Författare :Xi Fu; Dan Norbäck; Christer Janson; Berndt Stenberg; Uppsala universitet; []
    Nyckelord :Civil Aviation; Aircraft pilot; Indoor environment; Self-rated health SRH ; Respiratory health; Asthma; Rhinitis; Headache; Fatigue; Insom-nia; Body mass index BMI ; Sense of Coherence SOC ; Psychosocial work environment; Quantitative PCR; Fungal DNA; Volatile organic compounds of microbial origin MVOC ; Cat allergen; Dog allergen; Horse allergen;

    Sammanfattning : There is concern about the indoor environment in aircraft but few stud-ies exist on self-rated health (SRH) and respiratory symptoms among pilots. Occupational and non-occupational risk factors for SRH, respira-tory symptoms and other symptoms among commercial pilots were investigated in this thesis. LÄS MER