Search for dissertations about: "Neogobius melanostomus"

Found 3 swedish dissertations containing the words Neogobius melanostomus.

  2. 1. Round goby Neogobius melanostomus in the Baltic Sea – Invasion Biology in practice

    Author : Gustaf Almqvist; Magnus Appelberg; Sture (biträdande) Hansson; Johanna Mattila; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Round goby; Neogobius melanostomus; Apollonia melanostoma; non-indigenous fish; life history characteristics; predation; competition; Gulf of Gdańsk; Baltic Sea.; Marine ecology; Marin ekologi; marin- och brackvattensekologi; Marine and Brackish Water Ecology;

    Abstract : Human mediated transfer of non-indigenous species is considered to be a major threat to global biodiversity. The Ponto-Caspian round goby (Neogobius melanostomus), which has established populations in various regions in Eurasia and North-America, was first observed in Gulf of Gdańsk, Baltic Sea, in 1990. READ MORE

  4. 2. Round goby invasion of the Baltic Sea : the role of phenotypic variation

    Author : Magnus Thorlacius; Tomas Brodin; Göran Englund; Jost Borcherding; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Round goby Neogobius melanostomus ; behaviour; animal personality; dispersal; species invasions; colonisation; spread; sociability; activity; boldness; aggression; cortisol coping-styles; biology; biologi;

    Abstract : Biological invasions are a major threat to biodiversity world wide with annual economic costs up to 1.4 trillion dollars. The round goby (Neogobius melanostomus) is a particularly fierce invader that threatens ecological function of the Baltic Sea. READ MORE

  5. 3. Reproductive traits in euryhaline gobies: insights into physiology, adaptations and biological invasions

    Author : Leon Green; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Sperm; Reproduction; Life-history Strategies; Local Adaptation; Fish; Invasion Biology; Salinity;

    Abstract : Organisms are adapted to reproduce in their specific environment by a range of different traits. For many animals, reproduction is tied to specific conditions, that trigger or enable the reproductive events. This thesis deals with traits associated with reproduction, their functions and interactions with the environment. READ MORE