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| Last Updated:: 02/02/2017

Uppanar estuary

Name of the estuary
Uppanar estuary
Name of the river
Paravanar
Place
Cuddalore Old Port
District
Cuddalore
State
Tamil Nadu
Latitude
11° 42’N
Longitude
79° 46’E
Important landmarks
Port
Length
5 km
Width
30 m
Average Depth
350 cm
Tidal Amplitude
90 cm
Type of the estuary
Open type
Water temperature
31.5°C
Nature of the substratum
Sandy-Muddy
Salinity
32.32 ppt
Dissolve doxygen
3.18 ml/l
Commercially important shell fishes
Crassostrea madrasensis, Saccostrea cucullata
Commercially important flora
Enteromorpha compressa, Padina boergesenii, Hypnea valentiae
Industrial effluent discharges
SIPCOT Industrial Effluent
Sewage discharges
Cuddalore City Sewage
Hazardous waste dumping
SIPCOT Industrial Hazardous Waste

 

Image

 

Map

 


River Basin Map

 

Photos

 

 

 

Physico-chemical parameters

 

 Monthly variations of salinity, BOD, pH, TOC, TN, TP recorded during 2001-2002 at station 1 and 2

 

 

Heavy metals concentration at station I, II, III of Uppanar estuary (Pugazhendy et al., 2008)

Seasons

Cadmium

Mercury

Lead

Copper

Zinc

SI

SII

SIII

SI

SII

SIII

SI

SII

SIII

SI

SII

SIII

SI

SII

SIII

Premonsoon (July, August, September)

0.13

1.16

0.83

0.019

0.121

0.031

0.90

1.25

1.18

2.09

7.93

6.29

3.10

18.76

14.81

Monsoon (October, November, December)

0.11

1.54

0.71

0.017

0.088

0.027

0.50

1.02

1.16

1.59

5.73

4.14

2.65

17.99

13.58

Post monsoon (January, February, March)

0.12

1.17

0.95

0.030

0.127

0.085

0.94

1.82

1.43

1.73

7.01

5.47

3.30

21.04

15.74

Summer (April, May, June)

14

1.99

1.35

0.039

0.168

0.099

1.09

2.48

2.23

2.99

8.20

7.33

4.31

24.08

21.63

Annual Average

0.13

1.37

0.96

0.026

0.126

0.061

0.86

1.64

1.50

2.10

7.21

5.80

3.34

20.46

16.44

Values are expressed in mg/1.

Bilogical entities

 

 Cyanobacteria recorded in Uppanar estuary during April 2002 to March 2003

Sl. No.

Family

Species

Station 1

Station 2

1

Chroococcaceae

 

Microcystis littoralis [Hang.] Forti.

-

+

2

Chroococus tenax (Kirch) Hiron

+

+

3

Gloeocapsa aeruginosa (Carm.) Küetz

+

-

4

Synechococcus elongatus Näg

-

+

5

Oscillatoriaceae

Spirulina subsalsa Oerst. ex. Gomont.

+

+

6

Oscillatoria agardhii Gomont

+

+

7

O. salina Biswas

+

-

8

Phormidium tenue (Menegh.) Gomont

+

+

9

P. fragile (Menegh.) Gomont

-

+

10

Lyngbya aesturrii Liebon. ex. Gomont

+

+

11

Trichodesmium erythraeum Ehrenberg ex. Gomont

+

-

12

Nostocaceae

Nostoc paludosum Küetz. ex. Born. et Flah

-

+

13

Anabaena variabilis Küetz

-

+

14

A. ambiqua Rao. C.B

+

-

15

Cylindrospermum majus kuetz. ex Born. et Flah

+

+

+ = Present; - = Absent

  

Station 1 - SIPCOT

 

Species

Cd

Co

Cu

Fe

Mg

Mn

Pb

Zn

ppm

 

Meretrix meretrix

0.055 ±

0.037 ±

0.331 ±

12.71 ±

87.79 ±

0.929 ±

0.278 ±

1.799 ±

Tissue

0.01

0.001

0.05

0.5

10

0.05

0.01

0.05

Meretrix meretrix

0.004 ±

0.006 ±

0.109 ±

4.691 ±

34.85 ±

0.274 ±

0.083 ±

3.639 ±

Shell

0.01

0.001

0.05

0.5

10

0.05

0.01

0.05

Crassostrea madrasensis madrasensis

0.123 ±

0.023 ±

0.311 ±

6.424 ±

128.1 ±

1.131 ±

0.285 ±

3.838 ±

Tissue

0.01

0.001

0.05

0.5

10

0.05

0.01

0.05

Crassostrea madrasensis

0.002 ±

0.014 ±

0.112 ±

18.35 ±

74.56 ±

1.597 ±

0.034 ±

0.293 ±

Shell

0.001

0.001

0.05

0.5

10

0.05

0.01

0.05

Cerithidea cingulata

0.026 ±

0.333 ±

3.006 ±

25.65 ±

144.5 ±

22.24 ±

0.072 ±

7.769 ±

Tissue

0.01

0.001

0.05

0.5

10

0.05

0.01

0.05

Cerithidea cingulata

0.099 ±

0.003 ±

0.102 ±

1.609 ±

13.69 ±

0.348 ±

0.070 ±

0.993 ±

Shell

0.01

0.001

0.05

0.5

10

0.05

0.01

0.05

Sediment

0.005 ±

0.029 ±

0.091 ±

65.45 ±

12.05 ±

0.560 ±

0.101 ±

0.185 ±

0.001

0.001

0.05

0.5

10

0.05

0.01

0.05

 

Station 2 – Landing Centre

Species

Cd

Co

Cu

Fe

Mg

Mn

Pb

Zn

ppm

 

Meretrix meretrix

0.024 ±

0.016 ±

1.009 ±

5.476 ±

52.46 ±

0.978 ±

0.091 ±

13.09 ±

Tissue

0.01

0.01

0.05

2

5

0.5

0.01

0.5

Meretrix meretrix

0.002 ±

0.003 ±

0.099 ±

2.159 ±

6.159 ±

0.164 ±

0.033 ±

0.667 ±

Shell

0.01

0.01

0.05

2

5

0.251

0.01

0.5

Crassostrea madrasensis madrasensis

0.014 ±

0.027 ±

0.543 ±

6.346 ±

59.36 ±

2.004 ±

0.073 ±

1.661 ±

Tissue

0.001

0.001

0.05

2

5

0.5

0.01

0.5

Crassostrea madrasensis

0.002 ±

0.016 ±

0.158 ±

14.91 ±

71.84 ±

4.578 ±

0.032 ±

0.874 ±

Shell

0.001

0.001

0.05

2

5

0.5

0.01

0.5

Cerithidea cingulata

0.001 ±

0.006 ±

0.131 ±

9.187 ±

29.70 ±

4.638 ±

0.017 ±

0.757 ±

Tissue

0.0005

0.001

0.05

2

5

0.5

0.01

0.5

Cerithidea cingulata

0.006 ±

0.069 ±

0.840 ±

9.500 ±

548.3 ±

6.188 ±

0.051 ±

1.766 ±

Shell

0.001

0.001

0.05

2

5

0.5

0.01

0.5

Sediment

0.003 ±

0.047 ±

0.167 ±

64.07 ±

23.75 ±

0.632 ±

0.068 ±

0.515 ±

0.001

0.001

0.05

2

5

0.5

0.01

0.5

 
 

References

Karthikeyan, R., S. Vijayalakshmi and T. Balasubramanian, 2004b. Seasonal distribution of heavy metals in the sediments from Uppanar estuary (East coast of India). Journal of Aquatic Biology, 19(2): 119–122.

Pugazhendy, K., M. Susiladevi, C. Jayanth, K. Jayachandran and V. Meenakshi, 2008. Impact of industrial pollutants on the gill of mullet fish, Mugil cephalus in the Uppanar Estuary, (SIPCOT) Cuddalore on the south east coast of India. Poll Res., 27(2): 231–236.

Kesavan, K. and V. Ravi, 2013. Heavy metal accumulation in molluscs and sediment from uppanar estuary, southeast coast of india. Thalassas, 29(2): 15–22.

Nedumaran, T. and P. Perumal, 2012. Biodiversity of cyanobacteria from Uppanar estuary, south-east coast of India. Emir. J. Food Agric, 24(3): 248–254.