While reading this book, students will explore the Dry Tortugas National Park and learn about the research underway there. From monitoring sea turtles to studying coral reefs, scientists in this national park are making new discoveries and doing their part to protect its ecosystem. --The Natural Laboratory: Scientists in National Parks series takes a look at the research and responsibilities of scientists working in U.S. national parks. Each 7.5" x 10" photo-filled book explores the topography of the park, its natural resources, the specific projects that have been undertaken there and why these projects are significant. Each 48-page book in the series also features quotes from scientists working in the featured park, to better explain to readers how and why things are done