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Detailed Ecological Assessment Report 2008 – Keenjhar Lake
genus, Ankistrodesmus, Tetraedron, Spondylosium, one species of the
each genus Crucigena, Arthrodesmus, Cosmocladium, Desmidium, were
recorded. All the species are used as primary source of food for aquatic
life. Arthrodesmus, Cosmoeladium, Desmidium, Closterium, Cosmarium
reduces the hardness from water. Scenedesmus, Pediastrum and
Crucigena are included in medicinal group.
• Golden brown algae: 38 species belonging to 17 genera of the phyla
Bacillariophyta in which 5 species of the genus Cymbella, 4 species of the
genus Epithemia, 3 species of the each genus Synedra, Gomphonema,
Gyrosigma, Navicula, Surirella, 2 species of the each genus Cyclotella,
Cocconies, Mastogloya, Nitzschia, one species of the each genus
Melosira, Fragiloria, Diplonies, Pinnularia, Rhopaldia, Cymatopleura, were
recorded.
• Dinophyta: 3 species belonging to 2 genera of the phyla Dinophyta 2
species of the genus Peridinium and one species of the genus Ceratium,
were observed.
• Flagellales group: 4 species belonging to 2 genera of the phyla
Euglenophyta 2 species belonging to the each genus Euglena and
Phacus, were observed.
• Chrysophyta: 2 species belonging to one genus Dinobryon of the phyla
Chrysophyta were recorded. These species indicate cold temperature of
water.
• Grass green algae: 7 species belonging to 6 genera of the phyla
Chlorophyta, 2 species belonging to the genus Oedogonium and one
species belonging to the each genus Cladophora, Coleochaete,
Spirogyra, Zygnema, Ulothrix were observed.
• Charophyta: Three species belonging to the genus Chara of the phyla
Charophyta were observed. The species of Chara produce crop these
species are excellent food producers. The species show natural indication
for alkaline water. The species were used as food for cattle. When they
are mature they release some smell to kill the mosquitoes. Chara is very
common in our region. The climate conditions are favorable for this genus.
This genus is included as cosmopolitan, the species of this genus were
found from coastal area to near Khunjerab Pass and from Keenjhar to
Karounger.
3.6.3 Comparison of summer and winter
Table 20 below shows the algal species were recorded from Keti Bunder over
summer and winter.
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