Transcript Document
Do Now: • Identify and discuss what this image represents. • One environmental and economical impact. Turn and Talk • You are the future leaders of tomorrow, with your table come up with one method to prevent deforestation and/or the dependence on wood. Aim: How Should We Manage and Sustain Forests? Which three of these methods is the most important and why Fig. 10-16, p. 230 Read A Loud • Certifying Sustainably grown timber Science Focus: Certifying Sustainably Grown Timber • Collins Pine • Owns and manages protective timberland • Forest Stewardship Council • • • • Nonprofit Developed list of environmentally sound practices Certifies timber and products 2009: 5% of world’s forest have certified to FSC standards Pause…Think…Discuss • Should governments provide tax breaks for sustainably grown timber to encourage this practice? Explain using evidence from the article to support your answer. Movie Clip: Smokey the Bear • What message is this commercial sending? Smokey the Bear Education Campaign • US Forest Service • Advantages: - Saved lives - Saved money in loss of trees, wildlife and human structures. • Disadvantages: - convinced public all fires are bad and should be put out. - can lead to increase crown fires Prescribed Fires • Careful planning and monitoring • set small contained surface fires to remove flammable small trees and underbrush Additional Fire Prevention • Herds of goats in California • Let it Burn Policy We Can Reduce the Demand for Harvested Trees • Improve the efficiency of wood use • 60% of U.S. wood use is wasted • Identify three ways you waste wood. • Make tree-free paper • • • • • Kenaf or hemp More paper for pulp per area of land Less pesticides Cleaner Less energy Summary: Would you invest in a kenaf plantation? Explain Your answer in complete Sentences. Case Study: Deforestation and the Fuelwood Crisis • One half of world wood harvest is for fuel • Possible solutions • Establish small plantations of fast-growing fuelwood trees and shrubs • Burn wood more efficiently • Solar or wind-generated electricity • Burn garden waste Mangrove Forest in Haiti Chopped Down for Fuelwood Fig. 10-18, p. 232 Governments and Individuals Can Act to Reduce Tropical Deforestation • Reduce fuelwood demand • Practice small-scale sustainable agriculture and forestry in tropical forest • Government protection • Debt-for-nature swaps/conservation concessions • Plant trees • Buy certified lumber and wood products Solutions: Sustaining Tropical Forests Which three of these Solutions do you think Are the most Important and why? Fig. 10-19, p. 233 Summary: • If we fail to protect a much larger percentage of the world’s remaining old growth forests and tropical rain forests, describe three harmful effects that this is likely to have on any children and grandchildren you might have.