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Issues in Ecology, Issue 01: Human Alteration of the Global Nitrogen Cycle: Causes and Consequences

This report presents an overview of how humans have altered the global nitrogen cycle. An introduction to the nitrogen cycle is provided; as well as human induced nitrogen fixation and its impact on the atmosphere, carbon cycle, aquatic and terrestrial ecosystem function, and biodiversity. The importance of nitrogen as a primary building block of life and its role in biological processes is also explained. Ecosystems that evolved under nitrogen limitation or under other constraints are now inadequately adapted to it. This results in adverse effects such as eutrophication which itself leads to decreased biodiversity Recommendations and management implications in reaction to future human activities that further disrupt the nitrogen cycle are discussed. Issues in Ecology is an ongoing series of reports designed to present major ecological issues in an easy-to-read manner. This Issue summarizes the consensus of a panel of scientific experts based on the information that was current and available at the time of its publication in 1997.
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Format
Resource Group This resource is part of ESA's Issues in Ecology series.
Resource Group Link http://ecoed.esa.org/index.php?P=AdvancedSearch&Q=Y&F1=%22Issues+in+E...
Primary or BEN resource type
Secondary resource type
Discipline Specific Core Concepts
Life science discipline (subject)
Keywords nitrogen cycle; nitrogen saturation; biodiversity; carbon cycle; nitrogen fixation; anthropogenic; report
Audience
Intended End User Role
Language
Educational Language
Pedagogical Use Description This report can be used for general information, classroom reading and discussion, and as a springboard for more information research. The report illustrates applications of ecology as it relates our society and environment.
Url http://www.esa.org/science_resources/issues_ecology.php
Primary Author Controlled Name
Primary Author Affiliation The Ecological Society of America
Primary Author email education@esa.org
Rights Ecological Society of America's copyright restrictions
Date Of Record Submission 2002-03-22

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