Essays about: "Phalacrocorax carbo"

Showing result 1 - 5 of 8 essays containing the words Phalacrocorax carbo.

  1. 1. The use of regurgitated pellets from the great cormorant to detect the presence of the round goby

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Tim Dorup; [2023-08-07]
    Keywords : Invasive species; Regurgitated pellets; Great cormorant; Round goby; dPCR;

    Abstract : The round goby (Neogobius melanostomus) is an invasive alien species that poses one of the greatest threats to biodiversity and ecosystem services in Sweden today. The round goby originates from the Black Sea and Caspian Sea but has in recent decades rapidly spread with global shipping traffic to new areas in Europe and North America. READ MORE

  3. 2. The Great cormorant, Phalacrocorax carbo, as a predator of the invasive Round goby

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Louisa Alvarez Blomgren; [2023]
    Keywords : Round goby; invasive species; Great cormorant; predator-prey interaction; prey selectivity;

    Abstract : Dispersal of invasive species poses a significant threat to biodiversity loss globally and is one of the major threats to the ecological condition in the Baltic Sea. The Baltic Sea is facing potential problems caused by the Round goby, Neogobius melanostomus, which was presumably introduced via ballast water. READ MORE

  4. 3. Can cormorants be used as indicators of local fish abundances? : A diet study of cormorants on Gotland

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Oliver Kai Hansen; [2021]
    Keywords : cormorants; Baltic; Gotland; human-wildlife conflict;

    Abstract : Human wildlife conflicts can represent missed opportunities for ecological monitoring, including tracking invasive species. The great cormorant Phalacrocorax carbo sinensis is the centre such a conflict, where the lack of concrete scientific evidence is often replaced by anecdotal evidence, leading to the vilification of these birds. READ MORE

  5. 4. 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

  6. 5. Användning av åtelkameror för att uppskatta antalet sälar i fjordarna innanför Orust : en metodutvärdering

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Daniel Carlsson; [2019]
    Keywords : knubbsäl; Phoca Vitulina; 8-fjordar; EBFM; åtelkamera; time-lapse;

    Abstract : I slutet av 1980-talet blev många fiskbestånd på svenska västkusten överfiskade vilket bl.a. resulterade i en minskning av kustnära bestånd av olika torskfiskarter. READ MORE