Ecology of the cladocerans of the plankton community in the Cochin backwater

摘要: Occurrence and seasonal changes in the distribution of two cladocerans eochin Backwater, Evadne tergestina Claus Penilia avirostris Dana have been considered. Fluctuations temperature tbe estuary are the order SoC., while cbanges salinity considerable. Seasonal variation species bas correlated with temperature and salin ity T-S-P diagram for a period fifteen months. Their numerical abundance month-wise also investigated. A comparative study cJadocerans insbore waters India wilh that the Cochin Backwater has carried out.