Essays about: "predator-prey"

Showing result 6 - 10 of 28 essays containing the word predator-prey.

  1. 6. SPATIO-TEMPORAL PATTERNS OF THE WOLF AND ITS PREY IN A MEDITERRANEAN AREA

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Giovanni Fini; [2022-08-29]
    Keywords : ;

    Abstract : Starting from the 1970s, populations of top predators such as the wolf Canis lupushave been expanding across Europe thanks to the protective legislation andthe creation of many protected areas, the increased abundance of wild ungulates and other factors. The return of these animals can trigger significant consequences from the ecological as well as management points of view. READ MORE

  3. 7. Top - down control: parasitism and predation on Gonyostomum semen in Swedish brown water lakes

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Ingrid Bergman; [2022]
    Keywords : limnology; phytoplankton; top-down control;

    Abstract : Gonyostomum semen is a raphidophyte microalgae that can be found in brown water lakes all over Sweden. The species forms substantial summer blooms that can completely dominate the phytoplankton community, largely due to its limited grazing pressure. To test whether parasites control the abundance of G. READ MORE

  4. 8. Diversification of predators in multi-trophic communities: A trait-based theoretical approach

    University essay from Lunds universitet/Examensarbeten i bioinformatik

    Author : Julio Antonio Ayala Lopez; [2022]
    Keywords : Biology and Life Sciences;

    Abstract : One of the main challenges in ecology and evolutionary biology is to understand how biodiversity emerges and is maintained, given the complexity of ecological and evolutionary processes combined. Understanding how multi-trophic interactions occur from a theoretical perspective is highly relevant for our understanding of diversification in complex ecosystems. READ MORE

  5. 9. Development of northern pike (Esox lucius) populations in the Baltic Sea, and potential effects of grey seal (Halichoerus grypus) predation

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Rebecka Svensson; [2021]
    Keywords : diet analysis; ; marine mammals; predator-prey; socio-economic; sport fishing; recreational fisheries;

    Abstract : Worldwide, marine mammal populations are increasing after considerable efforts to turn the downward trends caused by hunting, accidental mortality and pollution. The ecosystem effects from the increases of these top predators may be pronounced, but are in most cases poorly known. READ MORE

  6. 10. 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