336
AM
Cynodon dactylon, Eichhornia crassipes,
Hygrorhiza aristata, Nymphoides cristatum,
Vetiveria zizanioides and Polygonum fl accidum.
Plankton
Microcystis aeruginosa, Ankistrodesmus sp.,
Chlorella sp., Synedra sp ., Pinnularia sp ., Navicula
sp., Brachionus sp ., Daphnia sp . and Cyclops sp .
Fish Diversity
Amblypharyngodon mola , Mystus vittatus,
Xenentodon cancila, Chanda nama and
Trichogaster sp.
FY
Chanda nama generally shows the highest yield
(58 %) followed by Trichogaster, etc.
Karbhala Beel
Karbhala Beel (Plate 20.28 ) is situated c 25 km
from Silchar City. It has a maximum area of
approx. 2.02345 ha (5 acre) and maximum depth
of 2 m. Riparian vegetation is not very rich.
Riparian land use pattern includes human habitation and fi shing.
AM
Alternanthera sessilis, Azolla pinnata, Cynodon
dactylon, Eichhornia crassipes, Euryale ferox,
Hydrilla verticillata, Hygrorhiza aristata,
Justicia repens, Nymphaea nouchali, Nymphoides
cristatum, Nymphoides indicum, Oryza sativa,
Salvinia cucullata, Trapa bispinosa, Vallisneria
spiralis, Polygonum fl accidum, Lemna sp. and
Pistia sp.
Plankton
Centropyxis sp ., Brachionus sp ., Keratella sp .,
Lecane sp ., Trichocerca sp ., Filinia sp ., Daphnia
sp ., Ceriodaphnia sp ., Alona sp ., Camptocercus
sp ., Chydorus sp ., Macrothrix sp ., Scapholeberis
sp ., Simocephalus sp ., Cyclops sp ., Diaptomus
sp., Nostoc sp ., Anabaena sp ., Spirogyra sp.,
Microcystis aeruginosa, Euglena sp ., Phacus sp .,
Ankistrodesmus sp ., Cosmarium granatum,
Plate 20.28 Karbhala Beel
20 Wetlands of India