Essays about: "regurgitated pellets"

Found 3 essays containing the words regurgitated pellets.

  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. 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

  4. 3. Prey choice of great cormorants (Phalacrocorax carbo) in a marine protected area : potential impact on collapsed fish stocks and implications for future monitoring

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Elin Ljunggren; [2017]
    Keywords : cormorant; Phalacrocorax carbo; diet; predation; 8-fjords area; fisheries; conflict;

    Abstract : Great cormorant (Phalacrocorax carbo) populations have experienced a rapid growth in Europe since the 1980s, resulting in conflicts with fisheries over local fish resources. The 8-fjords area is a marine protected area on the Swedish west coast, where long term overfishing has led to a collapse of several local demersal fish stocks. READ MORE