Search for dissertations about: "ephemeroptera"

Found 2 swedish dissertations containing the word ephemeroptera.

  2. 1. Structuring factors for macroinvertebrate communities and the importance for ecosystem processing

    Author : Pia Hertonsson; Biologiska institutionen; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; ephemeroptera; competition; Predation risk; brownification; invasive sp.; decomposition; grazing; growth; gastropoda; mortality; amphipoda; isopoda;

    Abstract : Aquatic macroinvertebrates play important roles in our ecosystems and are essential for the ecosystem processing. An improved knowledge of structuring factors, such as competition and predation, and the way in which they operates in the macroinvertebrate community is crucial for our understanding of not only the macroinvertebrates but also the ecosystem in general. READ MORE

  4. 2. Molecular phylogenetics and taxonomic issues in dragonfly systematics (Insecta: Odonata)

    Author : Rasmus Hovmöller; Thomas Pape; Mari Källersjö; Kjell Arne Johanson; Karl Kjer; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Systematics and phylogenetics; Systematik och fylogeni;

    Abstract : Dragonflies (Odonata) are one of the ancestral groups of extant insects. They represent one of the three most basal branches in the phylogeny of winged insects. The other two groups are the Ephemeroptera, mayflies, and Neoptera, the latter which covers the remaining winged insects. READ MORE