Integrated segment 04 · printed p. 322 (PDF p. 358)
Sustaining Living Systems in a Changing World
Dams affect river ecosystems whether they are natural, like the one at Quake Lake, or man-made, like the Hoover Dam.
Students build an initial model of this integrated phenomenon at the start of the segment and revise it after each unit. Use the chapter phenomenon pages to feed that model.
Units in this segment
Unit 9 · printed p. 326
Earth's Natural Hazards
Bridges in some places risk damage or destruction from multiple natural hazards including flooding, mass wasting, earthquakes, and even volcanic activity.
- 25 Volcanic Eruptions and Earthquakes
How can people forecast and prepare for volcanic eruptions and earthquakes when only one of them usually gives warning signs?
1 presentation10 worksheets3 labs - 26 Mass Wasting, Tsunamis, and Floods
How do scientists use patterns in data to forecast where and when mass wasting, tsunamis and floods are likely, and how do those forecasts shape the technologies and plans people use to reduce the harm?
1 presentation10 worksheets3 labs
Unit 10 · printed p. 356
Humans and Changing Ecosystems
Abalone populations in southern California have been declining steadily since the 1960s.
- 27 Biodiversity
Why does biodiversity matter to how ecosystems work and to people, and how can we judge which plan best protects it?
1 presentation10 worksheets3 labs - 28 The Importance of Healthy Ecosystems
What do healthy ecosystems do for people, and how should a community decide whether to protect an ecosystem or pay to replace the services it provides?
1 presentation10 worksheets3 labs - 29 Engineering Solutions for Protecting Ecosystems
How do a growing human population and rising use per person change ecosystems, and how can people design, test and choose solutions that protect biodiversity and the services ecosystems provide?
1 presentation10 worksheets3 labs