Chapter 12: Biodiversity: Preserving Landscapes

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Presentation transcript:

Chapter 12: Biodiversity: Preserving Landscapes

12.1 World Forests Boreal and tropical forests are most abundant Forests provide many valuable products Tropical forests are being cleared rapidly Temperate forests also are threatened Lowering Your Forest Impacts Forest Thinning and Salvage Logging

2007 Tornado Swath, Wisconsin

12.2 Grasslands Grazing can be sustainable or damaging Overgrazing threatens many U.S. rangelands Ranchers are experimenting with new methods

12.3 Parks and Preserves Many countries have created nature preserves Yellowstone, 1872 “America’s Best Idea” Not all preserves are preserved Poaching Illegal Logging Marine ecosystems need greater protection

12.3 Parks and Preserves Conservation and economic development can work together Being a Responsible Ecotourist Native people can play important roles in nature protection Species survival can depend on preserve size and shape