Essays about: "Gadus morhua"

Showing result 1 - 5 of 17 essays containing the words Gadus morhua.

  1. 1. Invasive round goby, Neogobius melanostomus - suitable prey for native cod, Gadus morhua?

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Andreas Ljung; [2020]
    Keywords : Round goby; invasive species; cod; predator-prey inter-action;

    Abstract : Invasive species is a worldwide issue that is considered to be the one of the main reasons to losses of biodiversity. The round goby, Neogobius melanostomus, is an invasive species in the Baltic Sea that originates from the Black- and Caspian Sea. READ MORE

  3. 2. Stomach data from pelagic research survey bring new information in cod feeding pattern in the South-Western Baltic sea

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Federico Maioli; [2019]
    Keywords : Eastern Baltic Cod; diet; stomach data;

    Abstract : Pelagic and demersal cod (Gadus Morhua) specimens were collected respectively during a pelagic and a demersal survey in the Eastern Baltic sea in the fourth quarter of the years 2015-2017. Stomach contents were analysed and compared for the purpose of evaluating differences in the diet among pelagic and demersal specimens. READ MORE

  4. 3. Diet overlap between Cod (Gadus morhua) and European Flounder (Platichthys flesus) in the central Baltic Sea

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Kevin Haase; [2018]
    Keywords : diet overlap; diet; cod; gadus morhua; flounder; platichthys flesus; Baltic Sea;

    Abstract : The Baltic Sea is a frontrunner in ecosystem analysis and assessment, which have been used also in multispecies fisheries management advice. In the Baltic Sea, the multispecies assessment and management advice have been focused on the pelagic interactions between cod (Gadus morhua), sprat (Sprattus sprattus) and herring (Clupea harengus), by virtue of their well-known ecology. READ MORE

  5. 4. Causes of trends in abundance of mesopredators in the Kattegat Sea

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Karla Rudnicki; [2018]
    Keywords : shore crab; atlantic cod; mesopredator; Vendelsöarna; temperature; Ringhals; nuclear power plant;

    Abstract : It has come to attention that there is a mesopredator release effect present in the Kattegat Sea (northern Europe, between Sweden and Denmark). The areas in focus here are Ringhals, a nuclear power plant zone, and Vendelsöarna, a undisturbed reference area. READ MORE

  6. 5. A diet study of post-breeding Great cormorants (Phalacrocorax carbo sinensis) on Gotland

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Anton Larsson; [2017]
    Keywords : Baltic sea; regurgitated pellets; otoliths; prey species composition; sea birds;

    Abstract : The Swedish population of great cormorant (Phalacrocorax carbo sinensis) has rapidly increased to over 40 000 breeding couples since the EU-protection 1980. Since the cormorant are high efficient predators living in large colonies, they are accused for reducing fish populations and competing with fishery. READ MORE