Search for dissertations about: "GOBY"

Showing result 1 - 5 of 10 swedish dissertations containing the word GOBY.

  2. 1. 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

  4. 2. 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

  5. 3. Paternal care, filial cannibalism and sexual conflict in the sand goby, Pomatoschistus minutus

    Author : Maria Lissåker; Charlotta Kvarnemo; Ulrika Candolin; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; female choice; filial cannibalism; Gobiidae; parental care; Pomatoschistus minutus; sand goby; sexual conflict; sexual selection; Biology; Biologi;

    Abstract : Natural and sexual selection and sexual conflict are forces shaping the evolution of reproductive behaviour, while constrained by factors like environment, physiology and life-history trade-offs. Parental care is costly both in terms of time and energy. READ MORE

  6. 4. Sexual selection in the sand goby, Pomatoschistus minutus

    Author : Elisabet Forsgren; Uppsala universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Benfiskar; Teleostei; Etologi; Ekosystem; Vatten;

    Abstract : .... READ MORE

  7. 5. The neglected ecology of the sand goby: Abundance and feeding in the Baltic sublittoral

    Author : Sigrid Z. Ehrenberg; Ragnar Elmgren; Sture Hansson; Gunilla Ejdung; Erik Bonsdorff; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; sand goby; sublittoral; sub-thermocline; abundance; feeding; consumption; activity; Marine ecology; Marin ekologi; marin ekologi; Marine Ecology;

    Abstract : I investigated the ecology and population density of the sand goby, Pomatoschistus minutus, at sub-thermocline depth in the north-western Baltic proper. Most previous research on the sand goby, and the co-occurring closely related common goby, P. READ MORE