cifri annual report 2007- 2008 - Central Institute of Brackishwater ...

M~crocuim experiment for R week duratmn was
conducted to understand the effect oimacraphyter an
tlmc scale changes ofphys~co-chcm~cal, htuchcmiciil
and h~ologicnl propenlei of water and sed~ment
involvlngone floatlng ledvcd macrophyte (Eichhornia
crmripps) and unc rooted submerged macrophyte
(Vol/r.incno ~pirnlrrj Voi/!mpno rpirali.~ creatcd a
cond~tlon w~tli hlgher pH w~th respect to thc control
chamber wtth water hyacinth offered an upposjle
~nfluencr. Sp cunducuvlty ofwilter hyac~nthcuntainer
increased sharply over tlmc probahly duc to htgbcr
decnmpoi~t~on rate than consumpttotl. Wdtrr lhyuc~nth
increased total alkalinity with tirnr. whereas
Vaiirr,ariu decreased the samc Eicl>h,,ntto on