| Περίληψη: | The aim of the Unit is to understand the basic principles of rangeland vegetation dynamics in terma of interference and succession. Rangeland plants, together with the specific environmental characteristics of rangeland habitat types (link to the previous Unit) covary in time and space. The critical ecological factors and the positive, negative or neutral interactions that occur between the same (intraspecific and interspecific) or different trophic levels are descibed. Emphasis is placed on the importance of grazing (link to the next module) and the feedback it generates, as a natural regulatory process in rangeland ecosystems.
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