Environmental Problems, Their Causes, and Sustainability 1

original state? How much of it should be protected fromfurther degradation? How much of it could be restored?3. If possible, try to visit (a) a diverse old-growth forest,(b) an area that has been recently clear-cut, and (c) anarea that was clear-cut 5–10 years ago. Compare the biodiversity,soil erosion, and signs of rapid water runoff ineach of the three areas.4. For many decades, New Zealand has had a policy ofmeeting all its demand for wood and wood products bygrowing timber on intensively managed tree plantations.Use the library or Internet to evaluate the effectivenessof this approach and its major advantages anddisadvantages.5. Use the library and Internet to find one example of asuccessful ecological restoration project not discussed inthis chapter and one that failed. For your example, describethe strategy used, the ecological principles involved,and why the project succeeded or failed.6. Use the library or the Internet to find bibliographic informationabout François-Auguste-René de Chateaubriandand Aldo Leopold, whose quotes appear at the beginningand end of this chapter.7. Make a concept map of this chapter’s major ideas, usingthe section heads, subheads, and key terms (in boldface).Look on the website for this book for informationabout making concept maps.LEARNING ONLINEThe website for this book contains study aids and manyideas for further reading and research. They include achapter summary, review questions for the entire chapter,flash cards for key terms and concepts, a multiple-choicepractice quiz, interesting Internet sites, references, and aguide for accessing thousands of InfoTrac ® College Editionarticles. Log on tohttp://biology.brookscole.com/miller14Then click on the Chapter-by-Chapter area, choose Chapter11, and select a learning resource.http://biology.brookscole.com/miller14223