Search for dissertations about: "non-lethal effects"

Showing result 1 - 5 of 10 swedish dissertations containing the words non-lethal effects.

  1. 1. Predator-prey interactions in freshwater systems: The importance of chemical communication

    University dissertation from Kajsa Åbjörnsson, Limnology, Ecology Building, S-223 62 Lund, Sweden

    Author : Kajsa Åbjörnsson; Lunds universitet.; Lund University.; [2002]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; marine biology; aquatic ecology; limnology; Marinbiologi; limnologi; akvatisk ekologi; Ecology; Ekologi; Hydrobiology; trophic cascades; non-lethal effects; benefits; costs; heredity; predator experience; alarmsubstances; dietary cues; amphibian larvae; invertebrates; visibility; fish; behaviour; Predator-prey; chemical cues;

    Abstract : Popular Abstract in Swedish Rovdjur påverkar strukturen och artsammansättningen i de flesta system. Både genom att äta upp bytesdjur och genom att inducera olika typer av försvar hos bytesdjuret kan rovdjur påverka andra organismer i systemet. READ MORE

  2. 2. The Invasion of the Zebra Mussel - Effects on Phytoplankton Community Structure and Ecosystem Function

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Rahmat Naddafi; Uppsala universitet.; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Invasive species; Zebra mussel; Invasion success; Selective feeding; Non-lethal effects of predator; Seston stoichiometry; Delayed fluorescence excitation spectroscopy; Phytoplankton dynamics; Trait-mediated indirect interaction; Ecosystem function;

    Abstract : Biological invasion has become a major threat to economy, ecology, global biodiversity and ecosystem function of aquatic ecosystems. The main aim of the thesis was to study the effects of the zebra mussel (Dreissena polymorpha), a versatile invasive species, on phytoplankton dynamics and ecosystem function of lakes. READ MORE

  3. 3. Predation and shorebirds: predation management, habitat effects and public opinions

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Daniel Isaksson; Göteborgs universitet.; Gothenburg University.; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Conservation; waders; predation; coastal pastures; redshank; lapwing; attitudes; human dimensions;

    Abstract : Many shorebird populations are rapidly declining and a high nest predation rate is one of the threats facing these populations. Thus, factors that affect predation and how to manage it in an effective way are receiving increased attention. READ MORE

  4. 4. Neurotropic influenza A virus infection in the mouse brain : Targeting, persistence and functional effects

    University dissertation from Stockholm : Karolinska Institutet, Department of Neuroscience

    Author : Fredrik Aronsson; Karolinska Institutet.; Karolinska Institutet.; [2003]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Influenza A virus; nervous system;

    Abstract : Viral infections of the central nervous system have been associated with sensory, motor and behavioral disturbances both in humans and in animals. An example of this is influenza A virus infection that causes acute respiratory diseases, which occasionally are followed by complications from the central nervous system. READ MORE

  5. 5. Effects of starvation and haemorrhage on the large bowel coliform flora with special reference to bacterial mucosal adherence and translocation

    University dissertation from Stockholm : Karolinska Institutet, false

    Author : Carl-Gustaf Nettelbladt; Karolinska Institutet.; Karolinska Institutet.; [1998]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Bacterial translocation; plasma refill; starvation; haemorrhage; coliforms; Escherichia coli; biochemical fingerprinting; bulking fibre.;

    Abstract : Effects of starvation and haemorrhage on the large bowel coliformflora with special reference to bacterial mucosal adherence and translocation by Carl-Gustaf Nettelbladt, MD Department of Surgery, Karolinska Hospital andInstitute, S-171 76 Stockholm, Sweden Intestinal bacteria translocating to extraintestinal sites have been suggestedto play a role in the etiology of posttraumatic infections and multiple organ failure.In the present study, effects of haemorrhagic stress and /or starvation on the gutflora and bacterial translocation were studied in the rat. READ MORE