349
AM
Alternanthera sessilis, Azolla pinnata, Cynodon
dactylon, Eichhornia crassipes, Hydrilla verticillata, Hygrorhiza aristata, Ipomoea aquatica,
Justicia repens, Nymphaea nouchali, Nymphoides
cristatum, Nymphoides indicum, Oryza sativa,
Sagittaria trifolia, Salvinia cucullata, Scirpus
eriophorum, Trapa bispinosa, Polygonum fl accidum and Lemna sp.
Plankton
Nostoc sp ., Anabaena sp ., Microcystis aeruginosa, Euglena sp ., Ankistrodesmus sp .,
Cosmarium granatum., Volvox sp ., Gomphonema
sp ., Synedra sp ., Pinnularia sp ., Navicula sp.,
Brachionus sp ., Keratella sp ., Lecane sp .,
Trichocerca sp ., Filinia sp ., Daphnia sp .,
Ceriodaphnia sp ., Alona sp ., Bosmina sp .,
Chydorus sp ., Macrothrix sp ., Scapholeberis sp .,
Simocephalus sp ., Cyclops sp . and Diaptomus sp.
Fish Diversity
Amblypharyngodon mola , Puntius ticto ,
Lepidocephalichthys guntea, Mystus vittatus ,
Heteropneustes fossilis, Channa punctatus,
Parambassis sp. , Chanda nama, Glossogobius
giuris, Anabas testudineus, Trichogaster sp. and
Macrognathus aral.
FY
Parambassis sp. generally shows the highest
yield (70 %) followed by Puntius, Mystus, etc.
Deochhara Beel
Deochhara Beel (Plate 20.40 ) is highly weedinfested wetland, situated about 25 km away
from Silchar City. Its depth varies from 0.25 to
1.0 m. There is not much dense riparian vegetation. Riparian land use pattern includes mainly
human habitation and some amount of
cultivation.
AM
Alternanthera sessilis, Cynodon dactylon, Eichhornia
crassipes, Eleocharis acutangula, Hygrorhiza aristata, Justicia repens, Oryza sativa, Sagittaria trifolia, Salvinia cucullata, Scirpus eriophorum,
Polygonum fl accidum and Lemna sp.
Plankton
Nostoc
sp .,
Microcystis
aeruginosa,
Ankistrodesmus sp ., Ceratium sp ., Diatoma sp .,
Gomphonema sp ., Gyrosigma sp ., Synedra sp .,
Pinnularia sp ., Navicula sp., Arcella sp .,
Centropyxis sp ., Brachionus sp ., Keratella sp .,
Lecane sp ., Filinia sp ., Daphnia sp., Bosmina sp .,
Cyclops sp . and Diaptomus sp.
Plate 20.40 Deochhara Beel
20.2 Wetlands of Northeast India (The Water Wealth of Northeast India)
AM
Alternanthera sessilis, Azolla pinnata, Cynodon
dactylon, Eichhornia crassipes, Hydrilla verticillata, Hygrorhiza aristata, Ipomoea aquatica,
Justicia repens, Nymphaea nouchali, Nymphoides
cristatum, Nymphoides indicum, Oryza sativa,
Sagittaria trifolia, Salvinia cucullata, Scirpus
eriophorum, Trapa bispinosa, Polygonum fl accidum and Lemna sp.
Plankton
Nostoc sp ., Anabaena sp ., Microcystis aeruginosa, Euglena sp ., Ankistrodesmus sp .,
Cosmarium granatum., Volvox sp ., Gomphonema
sp ., Synedra sp ., Pinnularia sp ., Navicula sp.,
Brachionus sp ., Keratella sp ., Lecane sp .,
Trichocerca sp ., Filinia sp ., Daphnia sp .,
Ceriodaphnia sp ., Alona sp ., Bosmina sp .,
Chydorus sp ., Macrothrix sp ., Scapholeberis sp .,
Simocephalus sp ., Cyclops sp . and Diaptomus sp.
Fish Diversity
Amblypharyngodon mola , Puntius ticto ,
Lepidocephalichthys guntea, Mystus vittatus ,
Heteropneustes fossilis, Channa punctatus,
Parambassis sp. , Chanda nama, Glossogobius
giuris, Anabas testudineus, Trichogaster sp. and
Macrognathus aral.
FY
Parambassis sp. generally shows the highest
yield (70 %) followed by Puntius, Mystus, etc.
Deochhara Beel
Deochhara Beel (Plate 20.40 ) is highly weedinfested wetland, situated about 25 km away
from Silchar City. Its depth varies from 0.25 to
1.0 m. There is not much dense riparian vegetation. Riparian land use pattern includes mainly
human habitation and some amount of
cultivation.
AM
Alternanthera sessilis, Cynodon dactylon, Eichhornia
crassipes, Eleocharis acutangula, Hygrorhiza aristata, Justicia repens, Oryza sativa, Sagittaria trifolia, Salvinia cucullata, Scirpus eriophorum,
Polygonum fl accidum and Lemna sp.
Plankton
Nostoc
sp .,
Microcystis
aeruginosa,
Ankistrodesmus sp ., Ceratium sp ., Diatoma sp .,
Gomphonema sp ., Gyrosigma sp ., Synedra sp .,
Pinnularia sp ., Navicula sp., Arcella sp .,
Centropyxis sp ., Brachionus sp ., Keratella sp .,
Lecane sp ., Filinia sp ., Daphnia sp., Bosmina sp .,
Cyclops sp . and Diaptomus sp.
Plate 20.40 Deochhara Beel
20.2 Wetlands of Northeast India (The Water Wealth of Northeast India)