Sökning: "ecosystem engineers"

Visar resultat 11 - 13 av 13 uppsatser innehållade orden ecosystem engineers.

  1. 11. Restoration of natural disturbances: impact on distribution and performance of dominant ants (Formica spp.) by fire and gap dynamics

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Rebecca Larsson; [2015]
    Nyckelord :boreal forests; conservation management; honeydew harvesting efficiency; nest density; Sweden;

    Sammanfattning : Disturbance regimes caused by fire and wind storms used to be common features in the Swedish boreal forests. However, due to an intense forest management, these events have declined rapidly. LÄS MER

  3. 12. A first classification of zoogeomorphological activity and impacts by large mammals in national parks, South Africa

    Kandidat-uppsats, Kulturgeografiska institutionen

    Författare :Cecilia Engvall; [2013]
    Nyckelord :geography; zoogeomorphology; biogeomorphology; mammals; ecosystem engineers; South Africa;

    Sammanfattning : .... LÄS MER

  4. 13. Effects of African elephant (Loxodonta africana) on forage opportunities for local ungulates through pushing over trees

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Janson Wong; [2013]
    Nyckelord :African elephants; cascade effects; forage; treefalls; fallen trees; common duiker; kudu; black rhinoceros;

    Sammanfattning : African elephants (Loxodonta africana) are ecosystem engineers that have the ability to alter the physical structure of the landscape it inhabits and subsequently affect the livelihood of other local species. This study evaluated the landscape and plant level impacts by elephants by means of fallen trees in the Karoo ecosystem. LÄS MER