00338    a2200121   4500020001500000082001600015100002200031245004800053260005400101300002100155650001700176650002300193  a8126122129  a578.76bKUL  aKulshrestha, S.K.  aBiodiversity of tropical aquatic ecosystems  aNew DelhibAnmol Publications Pvt Ltdc2005g2005  aviii,438p.c22cm  aBiodiversity  aAquatic Ecosystems