Water Quality For Freshwater Organisms
http://www.ofcn.org/cyber.serv/academy/ace/sci/cecsci/cecsci028.html

Robert Brosa, The Educator's Reference Desk


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This website features a field activity that demonstrates the effect of water temperature on the solubility of dissolved oxygen and how it relates to the gill beat rate of fish. The activity uses the Winkler method to measure dissolved oxygen.

This resource is referenced here:
Subject: Biology:Ecology:Metabolism, Biology, Ecology:Habitats:Water Column, Biology:Biogeochemistry, Geoscience:Hydrology:Surface Water:Water Quality/Chemistry
Resource Type: Activities:Field Activity:Field laboratories, Activities:Lab Activity
Special Interest: Field-Based Teaching and Learning
Grade Level: College Lower (13-14), Middle (6-8), High School (9-12)
Topics: Biosphere:Ecology, Ecology:Habitats:Freshwater, Biosphere:Biogeochemistry, Hydrosphere/Cryosphere:Surface Water:Water Quality/Chemistry, Biosphere:Ecology:Habitats:Water ColumnKeyword: DO