XV 
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TBO Oeresnicteateleisis oe gistame nace) aestorete etanevs ca es havenodsre empisteloralertie’artie lee cuals ps enare 435 
Statistics mae-aner wees Se 20.0, tus Chases ay Sis Aamre le elec oeeke Creteisvole ayeweiaisie 435 
MD ectio hme cunnent HOOd Sains aiciaiew vx ccaietoive ec iiaieraaisteie mer eteelats re iecei= 436 
Relation of production in channel and backwaters............... 437 
tect otsmidwinterahoodl: ai) ac\ass cites cae sciieieriseiseen cients) sieic\e 438 
GLOW ReS BI GetS Ce Oe aS LICE DODD COC ORE GEG SAGA Eae eink iaciGo cee OC OE Oe 441 
MSCALISCLCS tects Matate sen atetes cies sia'e, 0 o'(o.5. lntsseirs o's 01 ata taveteiateveieters ahaseinie atte siaists 441 
Relationsiofebackwatersito channelien = secciem eee etierie ese) se iererae 442 
Efteenotprolongedslowp watery .j<trayertorse asa <)-tearevorsieretnse tarts estas = 442 
DOOD eee here ete IS Tree a ale aie antreeid a aiaeiae va ealiaics Weaae ees s 444 
Statistlesun agtanasryvemine ya anes dos 6 at cise eras Sows ok pane warderars 444 
Mihtesivermall pulses stateycrateclsiercic iets evere ead = cisictels « wieisiolesl sisieicts 446 
Comparisoniof channel and backwaters........0c+++ ssc. eee ce 447 
len dacdbd.camnuereoan ocbd0 otaaaoKcnEse an opoepoosse oun’ hocavared 449 
SS LALISELCS Spoaueraieyets stcteyefereia wip? clas stow, od oiy: srolaiezeleratendrene} pial atete:leeieho- aseiete aie 449 
labiepaye Wyabmiteyryoy cofoli(WCINEE Ph oom pon henn ee CHORbROpeaarwoceomacce 449 
Chara cteniza hl Omio fm years ayia siel cain sterols a einja= 4 coebe sists tailed leverars) efeiatese 450 
Characterizationioflacalityes: s5 -,./-jercisreiarcrs/otei0)s <\e'cis ats si sisielels oie cle = «1-1 451 
Relation of environmental factors to production....................... 454 
Hydrographic conditions and plankton production.................. 454 
Starementroteunem prob einen teres eeretsieaestelastletetiscicists pereneracte ae 454 
BRE COM AT Gai epee steicteleccis st sisteiaieislaieieys cieiaiatelate,n cre'c'ss) lm Sraebcra fasta eine aces 455 
BFE CtHOt ep tina cesteraisaiaicicestersitietey sisvetvioisis: (afeie ahahsrs aicvs sieieietoleyets,sjavsce:ctye e's 456 
Hie Ctr otna pCi Ole LL ELWALC IEA stsleytetcreleie aete:-. <'c)siofereseveloei<felele eaters arm stare 458 
WViATeTSIORMLE CON CHOP UM eect ict deteiaie)ef-lsl-cs = '=sey io]-ieVeraye aie Petaterderalsterarere 458 
Time requisite for development of plankton..................... 459 
[impounding function of backwaters... 0.0. cece cones eneosas es 460 
Cnrrentcand rateiof renewaliavas cass cc cs oosuare oa ewe see aa aeeicha stam 460 
IDineetreMEct OM unre uber ten setae cletsysuslevcsersivversiaccsas sjsiatereteUctei-r«)stejoleqeieia 460 
Eecthohenate of renewalisucriatere secre care Oasis ce areas saben sales es 461 
Netiettecttof run-off andirene walls. a c-csec0 se cows alalacaierersioiale eicererers 462 
Fluctuations in hydrographic conditions......................20-- 463 
Importance in duviatilelenvikOnmMent serie /--/ 01a oe je oie) oitists es = 463 
GaSe L OL MOO Sie ersy atarche tee eye, Saver assiedsycietera/ccteferara siecjalelala,e aalate etsiebsiecs 463 
Bech ofsrisingelevelstonChannelie.../-1.)0 selslelai-ieeiae steals «ees ells 463 
Effect of risinglevelsiin backwaters... 0 ccsescscrvs ce celine soe ce 464 
NE COVERY MALO UNE tL OOG acta, a lorty al vierrevaihe rere atlels iveteel eins zine aierete 465 
Result ofidechiningwlevelsi era. sn cierssielers Sesion ae oe elas meyer 465 
Production and total movement in levels.....................225 466 
High and low water periods in channel....................-.4-- 466 
Levels and production in these periods during the year........ 467 
MULTE ay aca atch cesta aed ool ainjov a abate, a actrit: der ctati cictagu Set wleigs Moviateyaatclsans 469 
Hightand low water ‘injbackwatersivcc...-<.sqcccn ss eceees ea saces 470 
Effect of season in initial stages of flood-fall.................... 470 
iWemperatureraud plankton: production...) cede s eee lice toeee e 471 
Contrastiofiwarm and) cold:seaSons sase- emesis caine a2) ial ctor eyerstes« 471 
sRhevvernalinisesiny temperature: ..)-cnj xa vecelccrsciarsieisid store sles aterels 472 
Seasonal distribution of production and temperatures.............. 472 
