00333    a2200121   4500020001500000082001500015100002800030245005500058260004500113300002100158650002000179650001200199  a8170352908  a577.6bCON  aUnni, K. Sankaran eed.  aConservation and management of aquatic ecosystems   aDelhibDaya Publishing Housec2002g2002  axiii,194p.c23cm  aAQUATIC ECOLOGY  aECOLOGY