Examine how the value of ecosystem goods and services can be measured.
Students suggest how the value of the ecosystem goods and services (EGS) provided by the Fraser River might be measured. After learning about monetary and non-monetary measures, students categorize the EGS provided by the Fraser River, and suggest which might be the most valuable.
Information about measuring EGS in this lesson comes from the Statistics Canada report.
The report suggests that “both monetary and non-monetary valuation would be used to estimate the value of the use or non-use of EGS. For example, a monetary value of directly using trees could be estimated by using market prices of lumber or other forest products.
Monetary and non-monetary valuation methods might be used to estimate the value of the same thing. For example, the monetary value of a forest might be estimated by comparing the value of trees in the forest to the value of trees sold in a market. A non-monetary value might also be used to provide a sense of the relative importance of the trees by estimating the value of the trees as air purifiers.”
For more information on valuation techniques, see page 21-22 and Appendix B (page 86) of the report.
Assess your students’ ability to:
Learn more about the goods and services provided by ecosystems.
Identify the most important impacts of human actions on the value of ecosystem goods and services.
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