Why_Healthy_Oceans_Need_Sea_Turtles

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TURTLES 2 OCEANA | Protecting the World’s <strong>Oceans</strong> PHOTO TIM CALVER
EXECUTIVE SUMMARY <strong>Sea</strong> turtles have played vital roles in maintaining the health of the world’s oceans for more than 100 million years. These roles range from maintaining productive coral reef ecosystems to transporting essential nutrients from the oceans to beaches and coastal dunes. Major changes have occurred in the oceans because sea turtles have been virtually eliminated from many areas of the globe. Commercial fishing, loss of nesting habitat and climate change are among the human-caused threats pushing sea turtles towards extinction. As sea turtle populations decline, so does their ability to fulfill vital functions in ocean ecosystems. Our oceans are unhealthy and under significant threat from overfishing, pollution and climate change. It is time for us to protect sea turtles and rebuild their populations to healthy levels as a vital step in ensuring healthy and resilient oceans for the future. PHOTO TIM CALVER oceana.org/seaturtles 3
Page 1 and 2: PHOTO TIM CALVER WHY HEALTHY OCEANS
Page 3: TABLE OF CONTENTS WHY HEALTHY OCEAN
Page 7 and 8: IMPORTANCE OF SEA TURTLES TO HEALTH
Page 9 and 10: Hawksbills allow other species, suc
Page 11 and 12: MAINTAINING A BALANCED FOOD WEB Sea
Page 13 and 14: NUTRIENT CYCLING PHOTO GARY YOSS Lo
Page 15 and 16: PHOTO KIM BASSOS-HULL The loggerhea
Page 17 and 18: CONCLUSIONS As sea turtle populatio
Page 19 and 20: 49 Gulko, D.A. and Eckert, K.L. 200

Why_Healthy_Oceans_Need_Sea_Turtles

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