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Ecology, Concepts and Applications, 2/e
Manuel C. Molles, University of New Mexico - Albuquerque
Global Ecology

Chapter Objectives


The El Niño Southern Oscillation is a large-scale atmospheric and oceanic phenomenon that influences ecological systems on a global scale.

Human activity has greatly increased the quantity of fixed nitrogen cycling through the biosphere.

Rapid changes in global patterns of land use threaten biological diversity.

Human activity is increasing the atmospheric concentration of CO2, which may be increasing global temperatures.








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