Sökning: "Great cormorant"
Visar resultat 1 - 5 av 10 uppsatser innehållade orden Great cormorant.
1. The use of regurgitated pellets from the great cormorant to detect the presence of the round goby
Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskapSammanfattning : 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. LÄS MER
2. The Great cormorant, Phalacrocorax carbo, as a predator of the invasive Round goby
Kandidat-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : 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. LÄS MER
3. Påverkan av hävd på våtmarksfåglar
Kandidat-uppsats, SLU/Dept. of EcologySammanfattning : Syftet med studien var att undersöka sambandet mellan hävd, där bete ingår, och fågelabundanser för ett antal arter. Detta då gräsmarker sedan jordbrukets reformering minskat betet på Öland och nuvarande naturvårdsarbete pågår med bete för att gynna fåglarna. LÄS MER
4. Can cormorants be used as indicators of local fish abundances? : A diet study of cormorants on Gotland
Master-uppsats, Uppsala universitet/Institutionen för biologisk grundutbildningSammanfattning : 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. LÄS MER
5. Invasive round goby, Neogobius melanostomus - suitable prey for native cod, Gadus morhua?
Kandidat-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : 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. LÄS MER