Essentials of Ecology

216 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach 200 years or more (Figure 10-2). Old-growth or pri- m ...

CONCEPTS 10-1A, 10-1B, AND 10-1C 217 Most biologists believe that the clearing and de- grading of the world’s remaining old-grow ...

218 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach Cleared plots Highway for grazing Cleared plots for a ...

CONCEPTS 10-1A, 10-1B, AND 10-1C 219 Video 9, at http://www.learner.org/resources/series209. html), and loss of biodiversity. Lo ...

220 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach Biodiversity experts are alarmed at the growing pract ...

CONCEPTS 10-1A, 10-1B, AND 10-1C 221 to treetop, burning whole trees. Crown fires usually occur in forests that have not experie ...

222 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach biological control (bugs that eat harmful bugs) combi ...

CONCEPTS 10-1A, 10-1B, AND 10-1C 223 ■✓ According to the WRI, if current deforestation rates continue, about 40% of the world’s ...

224 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach 72% of its original intact forest, and 98% of its rem ...

CONCEPTS 10-1A, 10-1B, AND 10-1C 225 in its vast Amazon basin, which covers an area larger than India. According to Brazil’s gov ...

226 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach and establishing vast plantations of crops such as so ...

CONCEPT 10-2 227 10-2 How Should We Manage and Sustain Forests? CONCEPT 10-2 We can sustain forests by emphasizing the economic ...

228 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach ■✓ and underbrush in the highest-risk forest areas. S ...

CONCEPT 10-2 229 Most of the small amount of tree-free paper produced in the United States is made from the fibers of a rap- idl ...

230 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach This in turn would help to slow global warming, as mo ...

CONCEPT 10-3 231 Protect the most diverse and endangered areas Educate settlers about sustainable agriculture and forestry Subsi ...

232 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach to hold water). Overgrazing also enhances invasion by ...

CONCEPT 10-3 233 removal, or controlled burning. A cheaper way to dis- courage unwanted vegetation in some areas is through cont ...

234 CHAPTER 10 Sustaining Terrestrial Biodiversity: The Ecosystem Approach 10-4 How Should We Manage and Sustain Parks and Natur ...

CONCEPT 10-4 235 At the same time, native species—some of them threatened or endangered—are killed or removed ille- gally in alm ...