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NSave Nature to Survive
QUARTERLY
4(1) : 81-82, 2010
A NOTE ON SOME PHYSICO-CHEMICAL CHARACTERISTIC OF
VAJARWADI RESERVOIR, BEED
P.V. PATIL*, M. Y. KULKARNI 1 , A. N. KULKARNI 2 AND A. V. WALANKIKAR 1
P.G. Department of Zoology, Mrs. K. S. K. College, Beed - 431 122
1
V. D. M. D. College, Degloor, Nanded - 431 717
2
P. G. Department of Zoology and Fishery Science College,
Nanded - 431 602
E-mail: drprashantpatil123@yahoo.com
ABSTRACT
INTRODUCTION
All organisms are evolved in the water, water is required for various activities of
animals. It is a vital element in determing the quality of environments overall
social and economic development of any region.
Massive growth of human population, siltation, agrochemicals, construction of
dams, addition of sewage and waste material change the suitability of water. It
contains the soluble detergents, fertilizers, harmful chemicals, degradable as well
as non degradable waste, hospital waste, drainage, municipal waste. Sohani et
al., (2002), Kulkarni et al., (2001), Sakhare and Joshi (2003), Trevedi and Gupta
(1995), Tamlurkar and Ambore (2006) have carried exhaustive study on
physicochemical characteristics of water.
The present study reports some physicochemical parameters of Vanjarwadi
reservoir (70º 38’NL and 18º58’EL) near Beed during 2005 to 2006.
The present work was undertaken to study the
physico-chemical characteristics like
temperature, dissolved oxygen content,
carbondioxide, pH and BOD of Vajarwadi
reservoir constructed for irrigation.
MATERIALS AND METHODS
The study was carried out in the first week of every month at regular intervals from
June 2005 to May 2006.
Experiments were conducted on the field as well as in the laboratory by using
standard methods described by Trivedi and Goel (1986).
RESULTS AND DISCUSSION
Physico-chemical characteristic of Vanjarwadi reservoir are shown in Table 1.
Air temperature ranged 22ºC to 35.5ºC. Water temperature ranged 18ºC to 32ºC.
The temperature is one of the important physical characteristic which directly
influence some chemical reaction in aquatic ecosystem. Current findings are in
the line with earlier finding of Nisar Shaikh and Yeragi (2004).
pH ranged between 8.0 to 8.6. Values of pH may vary in high temperature due to
discharge of CO 2
. Direct relationship of CO 2
with pH has been well documented
by various ecologists (Hutchinson, 1987; Deshmukh and Ambore, 2006). Increase
in pH may be due to the absence of pollutants, low CO 2
content, very high
photosynthesis and rich algal diversity (Welch, 1952).
DO 2
ranged from 5.2mg/L to 8.8mg/L. In present investigation DO 2
fluctuated in
every month. The present of CO 2
in water is because of diffusion, inflow of
groundwater due to decomposition of organic matter, respiration of aquatic
organisms (Welch, 1952). In the present investigation CO 2
ranged between
1.20mg/L to 3.50mg/L.
BOD the most important parameter indicates the presence of organic load in
KEY WORDS
Water chemistry
BOD
Alkalinity
Received : 17.09.2009
Revised : 21.12.2009
Accepted : 14.02.2010
*Corresponding author
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P. V. PATIL et al.,
Table 1: Physico-chemical characteristics of Vanjarwadi reservoir
Temp 0 C DO 2
CO 2
pH BOD Month
Air Water mg/L mg/L mg/L year
27 26.5 5.3 1.80 8.5 3.15 June 05
26.5 25.0 5.84 1.50 8.4 2.02 July 05
26.0 24.0 6.50 1.53 8.1 3.01 Aug 05
25.0 24.5 7.1 1.20 8.0 1.62 Sept 05
23.5 23.0 8.3 1.36 8.1 3.01 Oct 05
23.0 22.0 8.4 1.50 8.2 4.85 Nov 05
22.0 18.0 8.6 3.50 8.2 5.25 Dec 05
24.0 23.0 8.8 2.90 8.3 7.02 Jan 06
25.0 23.8 7.5 1.50 8.1 3.01 Feb 06
30.5 26.0 7.2 1.60 8.4 3.51 Mar 06
34 30 6.2 1.70 8.5 3.01 Apr 06
35.5 32 5.1 1.50 8.6 2.01 May 06
32.22 24.75 7.07 1.79 8.28 3.45 Mean
±6.80 ±1.62 ±1.22 ±0.64 ±0.22 ±1.48 SD
21.10% 6.5% 17.25% 35.75% 2.65% 12.3% CV
SD = Standard Deviation; CV = Coefficient of variation
water. In present investigation the biological oxidation demand
ranged between 1.62mg/L to 7.02mg/L similar results have
been reported by Varghese and Naik (1992), Mathu Salam
and Ganga Ganesh et al., (2004).
ACKNOWLEDGEMENT
Authors are thankful to Principal Mrs. K. S. K. Alias Kaku College
Beed for providing laboratory facilities and supoort during
completion of work and support.
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