Human Domination of Earth's Ecosystems
Science (1997)
- ISSN: 00368075
- ISBN: 0471400300
- DOI: 10.1126/science.277.5325.494
Available from www.sciencemag.org
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Abstract
Human alteration of Earth is substantial and growing. Between one-third and one-half of the land surface has been transformed by human action; the carbon dioxide concentration in the atmosphere has increased by nearly 30 percent since the beginning of the Industrial Revolution; more atmospheric nitrogen is fixed by humanity than by all natural terrestrial sources combined; more than half of all accessible surface fresh water is put to use by humanity; and about one-quarter of the bird species on Earth have been driven to extinction. By these and other standards, it is clear that we live on a human-dominated planet.
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Human Domination of Earth's Ecosy...
DOI: 10.1126/science.277.5325.494 494 (1997) 277, Science et al. Peter M. Vitousek, Human Domination of Earth's Ecosystems www.sciencemag.org (this information is current as of December 20, 2006 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/277/5325/494 version of this article at: including high-resolution figures, can be found in the online Updated information and services, found at: can be related to this article A list of selected additional articles on the Science Web sites http://www.sciencemag.org/cgi/content/full/277/5325/494#related-content http://www.sciencemag.org/cgi/content/full/277/5325/494#otherarticles 63 articles hosted by HighWire Press see: cited by This article has been http://www.sciencemag.org/cgi/collection/ecology Ecology subject collections: This article appears in the following http://www.sciencemag.org/help/about/permissions.dtl in whole or in part can be found at: this article permission to reproduce of this article or about obtaining reprints Information about obtaining registered trademark of AAAS. c 2005 by the American Association for the Advancement of Science all rights reserved. The title SCIENCE is a Copyright American Association for the Advancement of Science, 1200 New York Avenue NW, Washington, DC 20005. Science (print ISSN 0036-8075 online ISSN 1095-9203) is published weekly, except the last week in December, by the on December 20, 2006 www.sciencemag.org Downloaded from
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