![](/olcweb/styles/shared/spacer.gif) | ![](/sites/dl/free/007029416x/title/MOLLES2E02SP_sm.jpg) 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. |
![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | Human activity has greatly increased the quantity of fixed nitrogen cycling through the biosphere. |
![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | Rapid changes in global patterns of land use threaten biological diversity. |
![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | ![](/olcweb/styles/shared/spacer.gif) | Human activity is increasing the atmospheric concentration of CO2, which may be increasing global temperatures. |
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