L6 Ecosystems self sustaining mechanisms

L6 Ecosystems self sustaining mechanisms

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Unformatted text preview: Principles of Ecology Weather and Climate SelfSustaining Mechanisms in Ecosystems Principles of Environmental Management Lecture 6 CH05-1 Objectives Weather effects on ecosystems Ecosystem selfsustaining mechanisms Weather patterns and climate Ocean currents Homeostasis Resilience Population Control Speces Diversity Natural Succession Evolution Genetic Variation Speciation Coevolution Human impacts on ecosystems CH05-2 Weather and Climate Weather daily conditions such as rainfall and temperature The average weather over a long period determines the plant and animal life of a region CH05-3 Climate Major Factors Affecting Weather and Climate The Earth is unequally heated, which creates three major climatic zones: Tropical Temperate Polar Air tends to flow from the equator to the poles CH05-4 The Coriolis Effect and Topography Weather within the major climatic zones is altered by wind flow patterns Weather is also affected by topography, especially mountain ranges. Wind flow patterns heavily influenced by the spin of the Earth Fig. 5-2 Global air circulatio...
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This note was uploaded on 04/17/2008 for the course ENVIRON MN 0630.201.0 taught by Professor Lisagreenwood during the Winter '07 term at RIT.

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