Science Education Resource Center at Carleton College
Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...
US Environmental Protection Agency
Epa: Hypoxia 101
Explains what hypoxia is, its causes, the sources, why it is important to reduce it, and where it occurs around the world. Includes a diagram showing how hypoxia develops in a water body and links to lots of additional resources.
Other
Environmental Challenges in Farm Management: Change in Habitats: Eutrophication
This site from the University of Reading provides the definition of eutrophication as well as further information about this naturally occurring phenomenon.
Science Education Resource Center at Carleton College
Serc: Duckweed Bioassay
This lab was designed with the intent to mimic the effect fertilizers can have on plants in a lake or pond ecosystem. Students determine the effect different fertilizer concentrations have on the growth rate of duckweed plants, as...