Agniar estuary
Agniar estuary
|
Name of the River
|
Agniar river
|
|
Place
|
Keelathottam
|
|
District
|
Pudukottai
|
|
State
|
Tamil Nadu
|
|
Latitude
|
10° 20’N
|
|
Longitude
|
79° 23’E
|
|
Length
|
5 km
|
|
Average depth
|
0.5 m
|
|
Width
|
2 m
|
|
Type of the Estuary
|
Bar-built
|
|
Nature of the Substratum
|
Muddy
|
|
Commercially important Finfishes
|
Oysters
|
Image
Map
River Basin Map
.jpg)
Correlation coefficient (r) values between the environmental parameters.
| Sl. No. |
Parameters
|
At.temp.
|
W.temp.
|
pH
|
|
Salinity
|
|
DO
|
|
Silicate
|
Phosphorous
|
Nitrate
|
| 1 |
At.temp.
|
1
|
|
|
|
|
|
|
|
|
|
|
| 2 |
W.temp.
|
0.7618
|
1
|
|
|
|
|
|
|
|
|
|
| 3 |
pH
|
0.8244
|
0.7918
|
|
1
|
|
|
|
|
|
|
|
| 4 |
Salinity
|
0.8396
|
0.714
|
0.88582
|
|
1
|
|
|
|
|
|
| 5 |
DO
|
-0.608
|
-0.721
|
-0.6831
|
-0.6439
|
|
1
|
|
|
|
| 6 |
Silicate
|
-0.745
|
-0.639
|
-0.7843
|
-0.9036
|
0.8024
|
1
|
|
|
| 7 |
phosphorous
|
-0.647
|
-0.781
|
-0.6643
|
-0.7924
|
0.765
|
0.8457
|
1
|
|
| 8 |
Nitrate
|
-0.827
|
-0.786
|
-0.8295
|
-0.9144
|
0.8518
|
0.9042
|
0.8356368
|
1
|
Flora and fauna
Phytoplankton
Asterionella sp.
Ceratium sp.
Closterium sp.
Fragilaria sp.
Nitzschia sp.
Peridinium sp.
Planktonella sol
Thalassiothrix longisima
Thalassiothrix nitzschicoides
Algae
Eudorina
Merismopedia
Microcystis
Oscillatoria
Spirogyra
Volvox
Zooplankton
Acartia
Acetes sp.
Acrocalanus
Centropages
Euterpina sp.
Longipedia sp.
Macrosetella sp.
Microsetella sp.
Oithona sp.
Paracalanus
Pseudodiatptomus
References
Sukumaran, M., K. Muthukumaravel and R. Sivakami, 2013. Seasonal variations in physico-chemical characteristics of Agniar estuary southeast coast of India. Asia Pacific Journal of Research, 2(8): 108–120.
Habib Mohamed, T.A.M. and A. Abdul Rahaman, 1987. Seasonal distribution of Plankton in Agniar estuary. Journal of the Marine Biological Association of India, 29(1&2): 273–279.