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Research Detail

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S. N. Pattadar
Assistant Professor
Department of Aquaculture, Patuakhali Science and Technology University, Dumki, Patuakhali.

Water quality parameters were observed in six ponds of Patuakhali Science and Technology University namely Nilkamal, Lalkamal, Salsabil, Tarangotanu, Jolpoddo and Nilpoddo from July 2010 to June 2011. No significant (p>0.05) differences were observed for temperature, pH and dissolved oxygen among these ponds. In case of ammonia highest amount (2.24 ppm) was recorded in Tarangotanu followed by 0.58, 0.59, 0.57, 0.54 and 0.50 ppm in Nilkamal, Lalkamal, Salsabil, Jolpoddo and Nilpoddo respectively and was significantly (p<0.05) different from others. Total alkalinity and total hardness were also found significantly differences in Tarangotanu and Jolpoddo respectively from others. The recorded water quality parameters of all ponds were found to be in optimum ranges and thus indicated suitable for fish culture in those ponds.

  Culture, Pond, Water quality
  PSTU
  01-07-2010
  30-06-2011
  Crop-Soil-Water Management
  Water quality

To observe the water quality parameters of different ponds at PSTU.

The experiment was carried out from July 2010 to June 2011 in six ponds namely as Nilkamal, Lalkamal, Salsabil, Tarangotanu, Jolpoddo and Nilpoddo situated at PSTU. The area of Nilkamal, Lalkamal, Salsabil, Tarangotanu, Jolpoddo and Nilpoddo were 64, 99, 162, 50, 62 and 68 decimal respectively and depth were 7, 7, 8, 7, 7 and 7 feet respectively. A number of water quality parameters such as water temperature (°C), dissolved oxygen (mgl-1), pH, ammonia (mgl-1), total hardness (mgl-1) and total alkalinity (mgl-1) were measured weekly. Temperature, pH and dissolved oxygen were measured on the spot and rests of the above parameters were measured at Fisheries Laboratory, Faculty of Fisheries, PSTU. Water samples were collected between 8.00 to 9:00 am from each pond surface to a depth of 20 cm.

Water temperature (°C)

During the study period, water temperature was recorded with the help of a thermometer.

 

Dissolved oxygen (mgl-1)

The dissolved oxygen of water was measured by using a portable digital DO meter (YSI, model 58) on the spot. 

 

pH

pH of pond water was determined by a direct reading digital pH meter (Jenway, model, 3020).                              

 

Ammonia (mgl-1), Total Alkalinity (mgl-1) and Total Hardness (mgl-1)

During the study period, water samples were collected in a plastic beaker and brought to the laboratory. Ammonia, total alkalinity and total hardness were determined with the help of respective HANNA test kit.

Statistical analysis

For the statistical analysis of data, one-way analysis of variance (ANOVA) and Tukeys Test was performed using the SPSS (Statistical Package for Social Science, version-12.0). Significance was assigned at the 5% level.

  J. Patuakhali Sci. and Tech. Univ. 2013, 4(2):75-84
  
Funding Source:
1.   Budget:  
  

The present research work was conducted to observe the water quality parameters of these ponds. Considering the mean values of water quality parameters, the result of this study revealed that the selected ponds of PSTU campus were very suitable for fish culture except Tarangotanu. Further research works for developing culture techniques suitable for this region may be suggested.

  Journal
  


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