Marine environmental biology and conservation / Daniel W. Beckman. Beckman, Daniel W. Marine biodiversity conservation. Marine habitat conservation. Endangered ecosystems. QH91.8.B6 B43 2013 333.95 23 BEM Includes bibliographical references and index. Burlington, MA : Jones & Bartlett Learning, c2013. c2013. 2013 Text xii, 451 p., 12 p. of plates : eng