01145cam a2200349 i 4500 225138654 TxAuBib 20150714120000.0 100617s2012||||||||||||||||||||||||eng|u 2010025188 9781608704798 1608704793 (OCoLC)642624932 TxAuBib rda Heinrichs, Ann. Maintaining Earth's Oceans / Ann Heinrichs. New York : Marshall Cavendish Benchmark, 2012. p. cm. txt rdacontent n rdamedia nc rdacarrier Environment at risk Includes bibliographical references and index. "Provides comprehensive information on Earth's oceans, their importance, and the environmental threats place upon them"--Provided by publisher. 20150714. Ocean. Marine ecology. Marine pollution. Environmental degradation. Environment at risk. TXRHP