Human Alteration of the Global Nitrogen Cycle

http://tiee.esa.org/vol/v1/figure_sets/nitrogen/nitrogen.html

In this Issue, students explore large-scale anthropogenic changes to the nitrogen cycle by examining studies that document anthropogenic inputs of nitrogen globally, the export of nitrogen from rivers to the ocean, and the ecology of Pfiesteria in the Chesapeake Bay.

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Primary or BEN resource type	Assignment/activity (non-laboratory)
Format	html
Core Concepts	Ecological Core Concepts -- Ecosystems -- Biogeochemical cycling Ecological Core Concepts -- Ecosystems
Drought & Water-Ecosystem Services Collection	Off
Conservation Targets Under Global Change Collection	Off
Big Data Collection	Off
Editor's Choice	No
Audience	Undergraduate upper division 15-16 Undergraduate lower division 13-14
Pedagogical Use Description	This should be used as a guide for teachers to engage students in current topics in ecology. Specifically, it will help teachers use active learning methods to teach students about nitrogen ecosystem dynamics.
Keywords	nitrogen, nitrogen enrichment, nutrient enrichment, anthropogenic input, nitrogen cycle, fish kill, nitrogen saturation, watershed, nitrogen loading, agriculture, nitrate, nitrogen oxide
Key taxa	Pfiesteria piscicida, dinoflagellate, tilapia, Oreochromis aureus
Life science discipline (subject)	Ecology
Primary Author Controlled Name	Charlene D'Avanzo
Primary Author Affiliation	Hampshire College
Primary Author email	n/a
Rights	Author retains copyright
Date Of Record Submission	2002-01-01

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Human Alteration of the Global Nitrogen Cycle

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