What are the two key concepts for this section? What is a dam? What is a reservoir? What are the advantages and disadvantages of using large dams and reservoirs? How do dams affect aquatic wildlife?...

What are the two key concepts for this section? What is a dam? What is a reservoir? What are the advantages and disadvantages of using large dams and reservoirs? How do dams affect aquatic wildlife? What has happened to water flows in the Colorado River (Core Case Study) since 1960? Explain how the damming of this river has affected its delta. What other problems are likely to further shrink this supply of water? List three possible solutions to the supply problems in the Colorado River basin.