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Variation of some physiochemical parameters along a part of the Dutch cannel in North Western Province of Sri Lanka P.V.S.L. Gunawardena U.P.K. Epa  M. Hettiarachchi University of Kelaniya
Introduction ,[object Object],[object Object],[object Object],[object Object]
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Introduction contโ€ฆโ€ฆ. ,[object Object],[object Object],[object Object]
Introduction contโ€ฆโ€ฆ. ,[object Object],[object Object],[object Object]
Objectives ,[object Object],[object Object]
Methodology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Methodology contโ€ฆโ€ฆ. ,[object Object],[object Object],[object Object],On the field In the laboratory after preserving
Results and Discussion ,[object Object],[object Object],Parameter Average  Values  ยฑ  Standard error Karukkupane Nalladarankattuwa Muthupanthiya Udappuwa Madurankuliya TDS 11207 ยฑ 1053 ppm 11560 ยฑ 1266 ppm 13869 ยฑ 728 ppm 14532ยฑ 1023 ppm 12873ยฑ 1108 ppm Conductivity 27.5 ยฑ 8.4 mS/cm 32.5 ยฑ 7.8 mS/cm 17.6 ยฑ 9.2 mS/cm 17.3 ยฑ 8.6 mS/cm 19.6ยฑ 7.3 mS/cm Turbidity 24ยฑ 7.3 NTU 11ยฑ 7.4 NTU 31ยฑ 11.1 NTU 28 ยฑ 7.6 NTU 45 ยฑ 13.4 NTU Salinity 22ppt ยฑ 9 24 ppt ยฑ 9 18 ppt ยฑ 9 23ppt ยฑ 7 19ppt ยฑ 8 DO 4.03ยฑ0.9 mg/l a   3.42ยฑ0.9 mg/l a   4.79ยฑ2.0 mg/l  b   5.75ยฑ2.2 mg/l  b   4.60ยฑ1.1mg/l b BOD 2.8ยฑ1.8 mg/l  2.3ยฑ1.3 mg/l  3.5ยฑ1.6 mg/l  4.5ยฑ1.7 mg/l  4.6ยฑ1.5 mg/l Temperature 29.5ยฑ1.5  o C a   30.5ยฑ2.0  o C b 31.0ยฑ1.5  o C b 31.0ยฑ1.5  o C b 31.5ยฑ1.0  o C b pH 7.8ยฑ0.3 a 7.7ยฑ0.3 a   7.9ยฑ0.4 b 8.0ยฑ0.5 b 8.3ยฑ0.4 b
Variation of temperature in top water levels Temperature  o C Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of Dissolved Oxygen in top water  DO level (mg/l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of pH in top water levels pH Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of Chemical and biological factors Parameter Karukkupane Nalladarankattuwa Muthupanthiya Udappuwa madurankuliya PO 4 -3 0.046 mg/l ยฑ 0.025  0.047mg/l ยฑ 0.021 0.018mg/l ยฑ  0.007 0.104mg/l ยฑ  0.261 0.030mg/l ยฑ  0.048 [NH 3 ] 0.120 mg/l ยฑ  0.087  0.041 mg/l ยฑ  0.020  0.076 mg/l ยฑ  0.039 0.215 mg/l ยฑ  0.096 0.226 mg/l ยฑ  0.097 [Chlorophyll a]  24.00 mgm -3   6.63 a 12.76mgm -3   5.26 b 20.55mgm -3   4.21 b 29.56 mgm -3   7.74 a 32.85 mgm -3  18.27 c Average value  ยฑ std. error
Variation of Chlorophyll a concentration Chlorophyll  a level  ( mgm -3 ) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Bottom water layer ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Variation of bottom turbidity places Turbidity (NTU) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of bottom pH in different palaces pH Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of NH3 NH3 Concentration (mg /l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of bottom BOD BOD (mg/l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Variation of bottom PO4 -3   PO4 -3  concentration (mg/l)  Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
Conclusion ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object]
Suggesions ,[object Object],[object Object]
Thank you
` Karukkupane Nalladarankattuwa Muthupanthiya Udappuwa Madurankuliya

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12 129 Gunawardana P.V.S.L

  • 1. Variation of some physiochemical parameters along a part of the Dutch cannel in North Western Province of Sri Lanka P.V.S.L. Gunawardena U.P.K. Epa M. Hettiarachchi University of Kelaniya
  • 2.
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  • 10. Variation of temperature in top water levels Temperature o C Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 11. Variation of Dissolved Oxygen in top water DO level (mg/l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 12. Variation of pH in top water levels pH Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 13. Variation of Chemical and biological factors Parameter Karukkupane Nalladarankattuwa Muthupanthiya Udappuwa madurankuliya PO 4 -3 0.046 mg/l ยฑ 0.025 0.047mg/l ยฑ 0.021 0.018mg/l ยฑ 0.007 0.104mg/l ยฑ 0.261 0.030mg/l ยฑ 0.048 [NH 3 ] 0.120 mg/l ยฑ 0.087 0.041 mg/l ยฑ 0.020 0.076 mg/l ยฑ 0.039 0.215 mg/l ยฑ 0.096 0.226 mg/l ยฑ 0.097 [Chlorophyll a] 24.00 mgm -3 6.63 a 12.76mgm -3 5.26 b 20.55mgm -3 4.21 b 29.56 mgm -3 7.74 a 32.85 mgm -3 18.27 c Average value ยฑ std. error
  • 14. Variation of Chlorophyll a concentration Chlorophyll a level ( mgm -3 ) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 15.
  • 16. Variation of bottom turbidity places Turbidity (NTU) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 17. Variation of bottom pH in different palaces pH Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 18. Variation of NH3 NH3 Concentration (mg /l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 19. Variation of bottom BOD BOD (mg/l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 20. Variation of bottom PO4 -3 PO4 -3 concentration (mg/l) Karukkupane Muthupanthiya Nalladarankattuwa Udappuwa Madurankuliya
  • 21.
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  • 25. ` Karukkupane Nalladarankattuwa Muthupanthiya Udappuwa Madurankuliya