Visualizing Environmental Science

273

2004 2006 2008

Year

2010

60,000

50,000

40,000

30,000

20,000

10,000

0

Trade in eastern (Mediterranean) atlantic bluefin

Recorded trade

ICCAT quota (limits)

Metric tons

The gap between catch limits and actual trade in bluefin
tuna in the Mediterranean.

Pew Environment Group.

Mind the Gap: An Analysis of the Gap Between

Mediterranean Bluefin Quotas and International Trade Figures

(2011).

Franco Banfi/Water Frame/Getty Images

CHAPTER OUTLINE

The Global Ocean 274

s Patterns of Circulation in the Ocean

■ Environmental InSight: Ocean Currents

s Ocean–Atmosphere Interaction

Major Ocean Life Zones 278

s The Intertidal Zone: Transition Between Land and Ocean

s The Benthic Environment

s The Neritic Province: From the Shore to 200 Meters

■ EnviroDiscovery: Otters in Trouble

s The Oceanic Province: Most of the Ocean

Human Impacts on the Ocean 284

s Marine Pollution and Deteriorating Habitat

s World Fisheries

■ Environmental InSight: Human Impacts

on the Ocean

■ What a Scientist Sees: Modern Commercial Fishing

Methods

s Shipping, Ocean Dumping, and Plastic Debris

s Coastal Development

s Human Impacts on Coral Reefs

s Offshore Extraction of Mineral

and Energy Resources

■ What a Scientist Sees: Ocean Warming

and Coral Bleaching

s Climate Change, Sea-Level Rise,

and Warmer Ocean Temperatures

Addressing Ocean Problems 291

s Future Actions

■ Case Study: The Dead Zone in the Gulf of Mexico

CHAPTER PLANNER✓✓

❑ Study the picture and read the opening story.

❑ Scan the Learning Objectives in each section:

p. 274 ❑ p. 278 ❑ p. 284 ❑ p. 291 ❑

❑ Read the text and study all figures and visuals.

Answer any questions.

Analyze key features

❑ Environmental InSight, p. 275 ❑ p. 285 ❑

❑ Process Diagram, p. 276

❑ EnviroDiscovery, p. 282

❑ What a Scientist Sees, p. 286 ❑ p. 289 ❑

❑ Case Study, p. 293

❑ Stop: Answer the Concept Checks before you go on:

p. 278 ❑ p. 283 ❑ p. 290 ❑ p. 292 ❑

End of Chapter

❑ Review the Summary and Key Terms.

❑ Answer What is happening in this picture?

❑ Answer the Critical and Creative Thinking Questions.

Interpreting Data

In metric tons, what was the ICCAT

quota in 2009? How much more bluefin

tuna was actually traded that year?