00551nam a2200181 a 450000500170000002000150001708200150003210000060004711000230005324500690007626000350014530000250018069000380020596400220024399700180026599900170028395200690030020251203110232.0  a1559635444  a639.9bBAY  d_  aBaydack, Richard K  aPractical approaches to the conservation of biological diversity  aWashingtonbIsland pressc1999  axiv,313p.c22cm. PB.  aBiological diversity conservation  bENGcd639efg_  a98811 LIBSC C  c82647d82647  00104070aPUbPUd2001-02-26g1309.76l0o639.9 BAYp98811yBK