335
AM
Alternanthera sessilis , Azolla pinnata , Cynodon
dactylon , Eichhornia crassipes , Hydrilla verticillata , Hygrorhiza aristata , Justicia repens ,
Nymphaea nouchali , Nymphoides cristatum ,
Nymphoides indicum , Salvinia cucullata , Trapa
bispinosa , Vallisneria spiralis , Polygonum fl accidum and Pistia sp.
Plankton
Nostoc sp., Anabaena sp., Oscillatoria sp.,
Spirogyra sp., Microcystis aeruginosa , Euglena
sp., Phacus sp., Ankistrodesmus sp., Clostridium
sp., Cosmarium granatum , Volvox sp., Ceratium
sp., Diatoma sp., Fragilaria sp., Gyrosigma sp.,
Synedra sp., Pinnularia sp., Navicula sp.,
Centropyxis sp., Arcella sp., Brachionus sp.,
Keratella sp., Lecane sp., Trichocerca sp., Filinia
sp., Daphnia sp., Ceriodaphnia sp., Alona sp.,
Bosmina sp., Camptocercus sp., Chydorus sp.,
Macrothrix sp., Simocephalus sp., Alona sp.,
Cyclops sp. and Diaptomus sp.
Fish Diversity
Amblypharyngodon mola , Puntius conchonius ,
Puntius ticto, Mystus bleekeri , Mystus vittatus,
Channa punctata, Xenentodon cancila, Chanda
nama, Trichogaster fasciata, Parambassis sp. ,
Macrognathus aral, Macrognathus pancalus and
Mastacembelus armatus.
FY
Puntius generally shows the highest yield (70 %)
followed by Trichogaster sp., Chanda , etc.
Hathichhara Beel
Hathichhara Beel (Plate 20.27 ) is situated about
20 km away from Silchar City. Riparian vegetation is quite rich. Riparian land use pattern
includes human habitation and fi shing.
Plate 20.27 Hathichhara Beel
20.2 Wetlands of Northeast India (The Water Wealth of Northeast India)