Chapter Outline

Regional Issues Acid Deposition Water Contamination Wetlands Hazardous Waste Global Matters

Populations, Communities, and Ecosystems Natural Cycles The Water Cycle The Carbon Cycle The Nitrogen Cycle

Succession

Primary Succession Secondary Succession Global Warming Carbon Dioxide Methane Ozone Depletion Loss of Biodiversity Summary

Stern-Jansky-Bidlack: I 25. Ecology I Text I I © The McGraw-Hill

Introductory Plant Biology, Companies, 2003

Ninth Edition

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This chapter explores some of the ecological topics not already discussed elsewhere in the text.

Regional issues, including acid deposition, water contamination, wetlands, and hazardous waste, are discussed first. Then global matters are introduced with a discussion of populations, communities, and ecosystems. This is followed by a brief look at producers, primary and secondary consumers, decomposers, and food chains. Then energy flow through an ecosystem is considered, and the nitrogen, carbon, and water cycles are explored. Discussions of succession and fire ecology follow. Human disruption of ecosystems, including ozone depletion, global warming, and loss of biodiversity, conclude the chapter.

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