Essays about: "keystone species"
Showing result 1 - 5 of 17 essays containing the words keystone species.
-
1. African elephants' effect on the temporal use of elephant highway by predator and prey. Makgadikgadi Pans National Park.
University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskapAbstract : African savanna elephants (Loxondonta africana) are the world’s largest land-mammal and are considered a keystone species. The effect they have on vegetation and their environment is well known, but their effect on other animal species is less studied. READ MORE
-
2. Hyperspectral and multispectral satellite data analysis of nitrogen in grazed and ungrazed tundra in Långfjället, Sweden
University essay from Göteborgs universitet/Institutionen för geovetenskaperAbstract : Reindeer are a keystone species in the circumpolar north, where they hold great cultural and ecological importance. Continued climate change threatens the long-term sustainability of reindeer husbandry. Reindeer can affect the tundra landscape, influencing the soil nutrient cycling, including the soil nitrogen availability. READ MORE
-
3. Population dynamics of the spruce bark beetle Ips typographus in forest conservation areas and the interaction with biodiversity and natural enemies
University essay from SLU/Dept. of EcologyAbstract : Biodiversity is rapidly decreasing and in need of more conservation efforts. However, the tree-killing European spruce bark beetle, Ips typographus (L.), has made forest conservation controversial by affecting conservation areas and possibly adjoining managed forests, yet is still a keystone species leaving decaying wood promoting biodiversity. READ MORE
-
4. Archaeological dental calculus reveals patterns of dietary shifts related to the farming transition in Africa
University essay from Uppsala universitet/Institutionen för biologisk grundutbildningAbstract : Archaeological dental calculus represents a depositional environment that entraps oral microbes, and debris of dietary, environmental, and cultural material that entered the mouth throughout the host’s life. Hence, they represent valuable archives of information about the host’s lifestyle, health, and environment. READ MORE
-
5. Feasibility of reintroduction of European Bison (Bison bonasus) to Sweden with focus on traffic accidents
University essay from SLU/Southern Swedish Forest Research CentreAbstract : The historical occurrence of European bison (Bison bonasus) in Sweden during the early Holocene emphasizes the ecological significance for a potential reintroduction. The European bison, the largest herbivore on the European continent, is a keystone species with a significant influence on ecosystem dynamics. READ MORE