BIOL 1070 Study Guide - Final Guide: Alpha Diversity, Species Richness, Intermediate Disturbance Hypothesis
5 Dec 2011
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Species richness in many systems is highest at an intermediate level (of intensity or frequency, or both) of natural disturbance. The characteristic exchanges within an ecosystem such as energy and nutrient exchanges, decomposition and production of biomass. __1__ values & assumptions policies goals . The sharing of authority, responsibility, and benefits between government and local communities in the management of natural resources. __3__ resources and processes that are supplied by natural ecosystems. Species richness is provided for 12 plots in three areas representing low, medium and highly disturbed areas within the arboretum. In fields, alpha diversity is highest in areas with low disturbance. Ecosystems are dynamic interrelated collections of living and non-living components organized in self-regulating units. The characteristic exchanges within an ecosystem are called ecosystem functions. Ecosystem functions include nutrient exchanges and production of biomass. The living and non-living components of an ecosystem affect each other in complex exchanges of energy, nutrients and wastes.
