cifri annual report 2007- 2008 - Central Institute of Brackishwater ...
cifri annual report 2007- 2008 - Central Institute of Brackishwater ...
cifri annual report 2007- 2008 - Central Institute of Brackishwater ...
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slltntton <strong>of</strong> the estuag. mouth and a weak ialin~t)<br />
gradlcnt caused loucr response <strong>of</strong>hllae mlgratlon into<br />
Dev~ cstuur) evcn ~n monsoon Dec:caicd flow<br />
{d~scharpe resuit~ng 111 reduced river plume ln~ght be<br />
lllnltlng the adult hi'sa rcachlng thc csluary for<br />
rcproducrion<br />
RESERI'OIR ffSI/ERIES<br />
hlultl-locution trial, in small reserruirs<br />
Suvarna\athy (Karnataka) : The prlnclpal<br />
morpl~onictr~c features arc- Lallludc I(Y, IY'.<br />
Lungirudc iO'. 1'. ,\rea,tt FKI '490 57118. llaxt,mutri<br />
depth.> X(Im.and Mcat>deptI, 1.251n 1 lhcrcicrvo!r<br />
brcanic lbll In I)cccmberO07dr1e lonticll~\l ~nllou,<br />
PhjsL,o-chrmk~ulpurumcrcn :'I lhc ranges <strong>of</strong> uenuua<br />
paremetcri ucrc ~urfuce water lciuperarurc 25.6 tn<br />
28.6 C, tr.miparclicy 04 In I h rn. pll 7 I-: h<br />
alksl,n~ly 57-Oh ppln and lnrilc otmcuntl.allrel lill Y to<br />
15:O pScm I'hc rdacriolr crl~ih~tcd Ihct.mal<br />
slritlfication ul111 clloagradu d~arrihuuon nfuxygcn 111<br />
August <strong>2007</strong> and lilnuq 21108 0,illj ~nlcgralcd<br />
columngmaapt~~n.~p pruduct~un\rrlud Iioln 670 6tir<br />
19125nyCm d<br />
hintncuinrur (2nd ,M cuiii~rrii and tll;tpli la ncgllglblu<br />
in cuntras: to uhsl li oh\cn'cd In man) Caurcr rive1<br />
hrslil rcscn'olrsulKnmalat'~.<br />
Kunjiraphura recer~uir ( Kerala ): HJI a u,ilul<br />
spread arcr 01.11 5 lha The iarlou, ph!~~co-clrcm~ci~l<br />
parametcrh lnvcst~gated dur~ng Iiionsiion and peal.<br />
rnnnsoon seaions il,dlc:tlcd it< ol~golropliic loiioeni)<br />
a~rd wllh nopollut~on.tl,civ~tcr~apr~it~~~c<br />
llinric icr.n~,t,unirits : Th2 pl~~nkliin ocnijlj i.>rlcu<br />
from 115X-6006 hoa I ('lllo:oph>ccrc lolloucil lh)<br />
Duhm~dncc;tc don!lnatcd lhc phytop1;~nitnn<br />
pnpulrl~on Among ~ni~pl.inktn~l, rotjlcr\ iiul<br />
~nuinhcrcd othi.1 gruup5 11: ;111 rtw ~ni~lths. 'I lie y~ciii<br />
IpTI!nq pri~duillort ~.III~CL ITOII, I 50 lnigc' 111 h~<br />
'5 il\ngCn>. I h ' ,<br />
Iblrrry: I lhc Iirh yti.ldtliroug!i liiu )caw Ih.lr dtoppi,c<br />
1021.5 Lgli,i yr Pool y~uldrwy bc ;~:~r>l>utcd I !root<br />
m.lnagcmcnl practice, ~nclud~np li;arri.cl ,ioil.~,g<br />
sue and 1Icni1->. 1pet.1~5 COIIIPLIIIIIOII d11d I.~IJII!<br />
l~ir\cstlnppr,ict~cc\<br />
Fisltrq : The ;uvcragr tiah .ucd slock~np rate fol thc<br />
year, 2004 to <strong>2007</strong> wa, high, 9l9 Uor lliiyrar '. A<br />
total catch <strong>of</strong>39 5 I ues rccordcd dunnp hl;trch <strong>2007</strong><br />
to iehn:sry <strong>2008</strong> This ~csulted I!, Indhrri tnhqor ciirp.<br />
contl.hulmg as hjgh as 95";" la thu lotrl catchca ulth<br />
the rcst rnnjnly hy t~iapla The mcdnCI'LII aai a high<br />
<strong>of</strong> I2 3 kg. Thc liah ycld us\ a high <strong>of</strong> 80.6 Lg Iha .<br />
Mqor carps do not develop neiur;il rccrultmml<br />
populauo~> and lhc fishery is susra~tird lnallllr hj<br />
stocking Co~~lribut~on <strong>of</strong> lnlnur catilih llkc O