Sökning: "African grazers"

Hittade 4 uppsatser innehållade orden African grazers.

1. 1. How does white rhino respond to fires during dry season?

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

   Författare :Tim Herkenrath; [2019]
   Nyckelord :white rhino; post-fire regrowth; habitat selection; African grazers; megaherbivore;

   Sammanfattning : The white rhino is a megaherbivore grazer that favours the short and nutrient-rich grass on grazing lawns. Since regrowth on lawns requires a certain amount of rainfall, the usage of this food resource is limited to the wet season. During the dry season, white rhinos are able to feed on senescent tall grass. LÄS MER

3. 2. Grazing impacts on savanna vegetation states and its role in albedo changes

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

   Författare :Joana Fernandes; [2018]
   Nyckelord :albedo; grazing; grazing lawn; white rhino; shrub encroachment; Hluhluwe-iMfolozi;

   Sammanfattning : Albedo, i.e., the fraction of the incoming sunlight that a surface reflects, has been previously shown to play a key role on the climate system by influencing the energy balance of the Earth’s ecosystems. LÄS MER

4. 3. Grazing increases albedo of savanna grasslands

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

   Författare :Linda Vedin; [2017]
   Nyckelord :albedo; grazing; savanna grassland; grazing lawn; shrub; Hluhluwe-iMfolozi;

   Sammanfattning : Earlier studies done in the north have shown that grazing increases surface albedo by reducing shrub height and abundance, and thus have the potential to cool down the local climate. But what about effect of grazing in other systems? In African savanna grasslands some grazers are able to transform grass swards into a lawn-like state by regular grazing. LÄS MER

5. 4. The repulsive shrub : impact of an invasive shrub on habitat selection by African large herbivores

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

   Författare :David Rozen-Rechels; [2015]
   Nyckelord :invasive plants; large herbivores; savanna; habitat selection; clearing;

   Sammanfattning : Invasive plants, growing and spreading outside of their native range, can severely modify ecosystems. Herbivory has often been seen as a potential control of invasions, but has rarely been considered as a potential impacted trophic level. LÄS MER