00469pam a2200169 a 4500020001500000040000800015082002600023100002200049245007300071250001200144260003800156300003300194500002000227650001200247650002300259650001700282  a0060437782  cDLC00a574 HAR 1985 A081 Or.1 aKrebs, Charles J.10aEcology :bthe experimental analysis of distribution and abundance /  a3rd ed.  aNew York :bHarper & Row,cc1985.  axi, 800 p. :bill. ;c25 cm.  aIncludes index. 0aEcology 0aPopulation biology 0aBiogeography