Environmental Science 12th Edition by William Cunningham,Mary Ann Cunningham

Exercise 15

Figure 13.32 on p. 291 is a form of graphic representation we haven t used very often in this book. It's a concept map, or a twodimensional representation of the relationship between key ideas. It could also be considered a decision flowchart because it's an organized presentation of different policy options. This kind of chart shows how we might think about a situation, and suggests affinities and associations that might not otherwise be obvious. You might like to look at the introductory chapter of this book for more information about concept maps.

A model of ecosystem degradation and potential management options.
Source: Data from Walker and Moral, 2003.
The box for simplified ecosystems has two subcategories, native species and alien species. What does this mean What would be some examples for the ecological community you've chosen