TY - GEN AU - Maddox,Gregory TI - Sub-Saharan Africa: an environmental history SN - 9781851095551 (hard cover : alk. paper) AV - GE160.A357 MAD2006 PY - 2006/// CY - Santa Barbara, Calif. PB - ABC-CLIO KW - Human ecology KW - Africa, Sub-Saharan KW - Agriculture KW - Environmental aspects KW - Environmental conditions N1 - Includes bibliographical references (p. 297-324 and index ER -