1. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings PowerPoint Lectures for Biology: Concepts and Connections, Fifth Edition – Campbell, Reece, Taylor, and Simon Lectures by Chris Romero Chapter 38 Conservation Biology

2. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.0 Saving the Tiger - hunting drastically - biodiversity crisis - decrease in Earth's plant and - conservation biology - science seeks to

3. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Human activities threaten - alter trophic structure, energy flow, chemical recycling, and - many species are

4. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.1 Reasons to preserve biodiversity - provides - loss of genetic diversity means loss of opportunities for - alterations in the biosphere threaten the

5. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.2 Human alteration of habitat - the greatest - introduced species can - compete with or prey on

6. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings CONNECTION 38.3 Pollution of the environment - compounds our - CFCs lead to depletion of - eutrophication of - synthetic chemicals - cannot

7. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings CONNECTION 38.4 Global warming - burning of - is increasing the amount of CO 2 and - increased

8. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings The greenhouse effect - natural phenomenon is - rapidly increasing CO 2 is making

9. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings Consequences of increased global warming - melting of polar ice - - changing -habitat alteration and - effects on

10. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings CONSERVATION OF POPULATIONS AND SPECIES 38.5 Two ways to study endangered populations 1. Small-population approach - attempts to - focuses on preserving

11. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 2. Declining-population approach - steps to halt - determine species' environ. - develop hypotheses for - apply results to

12. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.6 Preserving critical habitat - may help endangered species - ex. -

13. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings MANAGING AND RESTORING ECOSYSTEMS 38.7 Sustaining ecosystems Landscape ecology - study human - to make biodiversity conservation

14. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.8 Protected areas - established to - biodiversity hot spots - small areas with many - protect many species in

15. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings CONNECTION 38.9 Yellowstone to Yukon Conversation Initiative - preserve biodiversity by - give creatures - return of gray wolves is

16. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.10 Restoration ecology - uses - to return - to conditions similar to

17. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings CONNECTION 38.11 The Kissimmee River Project - a case study in - one of the world's largest restoration projects - restoring natural - reclaiming - improving

18. Copyright © 2005 Pearson Education, Inc. publishing as Benjamin Cummings 38.12 Sustainable development - develop, manage, and conserve the Earth's - requires education and - humans must be more accommodating with