00487nam a22001217a 4500020002400000082001300024100002400037245005500061260004200116300004300158500004200201650012200243  a9780716728153 (pbk)  a557bRIC  aRicklefs, Robert E.  aThe economy of natureba textbook in basic ecology  aNew YorkbW.H. Freeman Company c1997  aviii, 678 p.b: ill., (Col).c; 25 cm.  aIncludes appendix, glossary and index  aEarth scienceaEcology vPhysical environment vTerrestrial environments vBiological communities vEcosystems vFSSH