Aber, John D. Terrestrial ecosystems / John D. Aber, Jerry M. Melillo - 2nd ed. - San Diego : Harcourt Academic - xix, 556 p. : ill. (some col.), maps (some col.) ; 26 cm. Includes bibliographical references ISBN: 0120417553 RM437.98 LCCN: 00-111102 Subjects--Topical Terms: EcologyNature--Effect of human beings on