Essays about: "food web on ecosystem"
Showing result 16 - 18 of 18 essays containing the words food web on ecosystem.
-
16. The importance of litter for interactions between terrestrial plants and invertebrates
University essay from Institutionen för ekologi, miljö och geovetenskapAbstract : According to the exploitation ecosystem hypothesis (EEH), terrestrial ecosystems are characterized by well defined trophic levels and strong trophic interactions with community level tropic cascades. In unproductive terrestrial habitats as tundra heaths, the energy shunt from litter and apparent competition between herbivores and detritivores are expected to be important for the structure and dynamics of the invertebrate community. READ MORE
-
17. Ecologically viable population sizes: Determining factors
University essay from Institutionen för fysik, kemi och biologiAbstract : The minimum ecologically viable population size (MEVP) of a species describes the minimum size at which the species itself or another species in the same ecosystem goes extinct as a result of the loss of inter-specific interactions. The MEVP shows a good potential for use as a tool for exploring the mechanisms behind species extinctions, but presently only a small amount of research has been done that takes advantage of this. READ MORE
-
18. Polyhalogenated organic pollutants in amphibians
University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public HealthAbstract : Polyhalogenated organic pollutants are xenobiotics, which are believed to cause considerable environmental pollution and human health problems as a result of their persistence, toxicity, and transformation into hazardous metabolites. These chemicals are persistent and are biomagnificated in the ecosystem. READ MORE
