Search for dissertations about: "Ola Svensson"

Found 3 swedish dissertations containing the words Ola Svensson.

  1. 1. Sexual selection in Pomatoschistus – nests, sperm competition, and paternal care

    Author : Ola Svensson; Charlotta Kvarnemo; Sigal Balshine; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Female choice; Filial cannibaism; Gobiidae; Nests; Paternal care; Pomatoschistus microps; Pomatoschistus minutus; Sexual selection; Sperm competition; Teleostei; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Abstract : Sexual selection arises through variation in reproductive success. This thesis investigates different aspects important in sexual selection, namely nest building, sperm competition, paternity and paternal care, and their mutual interrelationships. READ MORE

  2. 2. Rarity in boreal stream: patterns, causes and consequences

    Author : Per-Ola Hoffsten; Bo W. Svensson; Umeå universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Ecology; Central Sweden; site occupancy; dispersal limitation; natural disturbances; recolonization; flight-morphology; metapopulation; habitat stability; spring specialists; Crunoecia irrorata; niche limitation; Isogenus nubecula; nestedness; longitudinal distribution; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi; zooekologi; Animal Ecology;

    Abstract : Patterns of site occupancy among boreal stream insects were studied in central Sweden with focus on sparsely distributed species and the role of dispersal and niche limitations.In the study of dispersal limitation, I found that effects of an extraordinarily harsh winter in small to medium-sized streams were strongest in sites located in small streams and far from lake outlets. READ MORE

  3. 3. Towards an Earlier Detection of Progressive Multiple Sclerosis using Metabolomics and Machine Learning

    Author : Stephanie Herman; Kim Kultima; Ola Spjuth; Joachim Burman; Johan Lengqvist; Camilla Svensson; Gabi Kastenmüller; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; NATURVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; NATURAL SCIENCES; MEDICAL AND HEALTH SCIENCES; bioinformatics; biomarkers; progressive multiple sclerosis; metabolomics; machine learning; advanced analytics; mass spectrometry;

    Abstract : Decision-making guided by advanced analytics is becoming increasingly common in many fields. Implementing computationally driven healthcare solutions does, however, pose ethical dilemmas as it involves human health. READ MORE