TY - BOOK TI - Natural resources: ecology, economics, and policy SN - 0130933880 AV - HC85 .N37 2003 PY - 2003///. CY - Upper Saddle River, N.J PB - Prentice Hall KW - Ecology KW - Natural resources KW - Government policy N1 - Includes bibliographical references (p. 716-718) and index. ER -