INTRODUCTION

Haryana, unlike its neighbouring states, have no web of rivers. Ghagger, Saraswati, Markanda, Tangri and Yamuna are the main rivers flowing through the state, out of which Yamuna is perennial (Vats et al., 2011). The most essen- tial and prime necessity for performing life supporting activities is water (Gupta et al., 2013). The most important freshwater resource is rivers on which most of the devel- opmental activities like agriculture, industry, transporta- tion, aquaculture, public water supply, etc. are dependent. Deterioration of the river water quality on large scale is due to huge loads of waste from industries, domestic sew- age and agricultural practices (Khaiwal et al., 2003). The water quality can be indicated and described by its physi- cal, chemical and microbial characteristics (Dhembare et al., 1997). Also it can be used to detect the effects of pol- lution on the water quality (Sujitha et al., 2012). From the Ecological point of view to assess the quality of water, the important prime consideration is the analysis of physi- cochemical water parameters which tells the best usage of water for drinking, bathing, irrigation, fishing, indus- trial processing and other domestic purposes (Shinde and Nagre 2015). Any alteration in the physico-chemical characteristics of water adversely influences and disturbs the water quality which had a great impact on aquatic life (Malviya and Dwivedi 2015).

In aquatic ecosystems, autotrophs (algae, plank- tons, etc.) act as primary producers on which all the life forms depends (Ogbaugu et al., 2011). To sustain a

Reetu Kamboj et al.

level of growth and respiration and to support a biologi- cal population, primary productivity is to be estimated (Bishnoi et al., 2013).The basis of ecosystem function- ing is the biological production of autotrophs which is manipulated by primary productivity of a water body (Mohanty et al., 2014; Odum et al., 1971). There is a main role of primary productivity in providing energy and organic matters to the entire biological community (Ahmed et al., 2005). Light (solar energy) and nutrients are the main limiting factors to primary production in an aquatic ecosystem (Guildford and Hecky 2000; Sim- mons et al., 2004), though distribution of phytoplankton (algae) are also affected by temperature and seasonal variations in light intensity (Vaillancourt et al., 2003). Therefore, present studies have been undertaken to eval- uate the water quality of Yamuna River canal in Yamu- nanagar District at three locations in terms of physico- chemical characteristics. An attempt has also been made to calculate numerical values of primary productivity to compare the water quality of Yamuna River canal at dif- ferent location.

MATERIALS AND METHODS

The samples for the present study were collected from the middle course of Yamuna River canal of Yamunanagar district of Haryana, India. Three sampling locations were established along the course of the river at the average distance of 15kms, starting from Dadupur head then at Yamuna Nagar and at last Radaur in March, 2015.

Reetu Kamboj et al.

TOPOGRAPHY

Yamunanagar lies in latitude 30° 5 North and longitude 77° 15’ East. The district is bounded by the Yamuna River canal and across it by the Saharanpur district of Uttar Pradesh in the south east, Karnal district in south, Punjab in the north-west and Shivalik hills in the north-east (Vats et al. 2011). Total geographical area of the district is 1756 sq.km and comprises 4% of total area of Haryana State. Yamunanagar District is divided into one sub-division and six-development blocks viz. Bilaspur, Chachrauli, Jagad- hri, Mustafabad, Radaur and Sadhaura. Atmospheric tem- perature ranges from between 6°C (January) to 49°C (May, June) and humidity could reach as high as 90%, usually during the wet season. The major activity of inhabitants of the area is farming, though some also engage in fishing and sand mining in this river.

Table 1: Latitude and Longitude of three selected sampling locations in Yamunanagar District

Primary Productivity (NPP) were calculated by using the values of different parameters analyzed using the fol- lowing formulas given in the Table 2.

Table 2: Formulas for calculating Gross

Primary Productivity (GPP), Community

Respiration (CR) and Net Primary

Productivity (NPP) (Sreenivasan 1964)

RESULTS

The experimental data of physico-chemical parameters in the middle course of Yamuna River canal at dif- ferent locations had been observed and noted at two different depths for the estimation of primary produc- tivity in the river water to illustrate the water quality and study the influence of industrial effluents putting into the River.

PHYSICO-CHEMICAL ANALYSIS

Various physico-chemical parameters like Temperature, pH, Total Dissolved Solids (TDS) and Dissolved Oxygen (DO) were determined to study primary productivity using Water Testing Kit by following standard meth- ods (Rain and Thatcher 1990; Rao et al., 1993; Clescerl et al., 1993; Pelczer et al., 1986; Jain and Jain 2007). A thermometer and pH meter was used to determine Tem- perature and pH of the water samples on the spot. DO was determined by BOD bottle method. Community Res- piration (CR), Gross Primary Productivity (GPP) and Net

TEMPERATURE

The highest and lowest temperature range of Yamuna River canal water sample as compared to location 2 is of location 3 and location 1 respectively shown in Figure 2.

ESTIMATION OF PH

The highest and lowest pH range of Yamuna River canal water sample as compared to location 2 is of location 1 and location 3 respectively. There is variation in the pH of water sample at different locations when measured at different depth shown in Figure 3.

TOTAL DISSOLVED SOLIDS

The highest and lowest value of TDS of Yamuna River canal water sample compared to location 2 is of location 3and location 1 respectively. There is variation in the TDS of water sample at different locations when meas- ured at different depth shown in Figure 4.

DISSOLVED OXYGEN

The highest and lowest value of DO of Yamuna River canal water sample compared to location 2 is of location 1 and location 3 respectively. There is variation in the DO of water sample at different locations when meas- ured at different depth shown in Figure 5.

GROSS PRIMARY PRODUCTIVITY

The highest and lowest value of GPP of Yamuna River canal water sample as compared to location 2 is of loca-

tion 1 and 3 respectively. There is variation in the GPP of water sample at different locations when measured at different depths shown in Figure 6.

COMMUNITY RESPIRATION

The highest and lowest CR range of Yamuna River canal water sample as compared to location 2 is of location 1 and location 3 respectively. There is variation in the CR of water sample at different locations when measured at different depths shown in Figure 7.

NET PRIMARY PRODUCTIVITY (NPP)

The lowest value of GPP of Yamuna River canal water sample as compared to location 2 is of location 3.Loca- tion 2 has maximum value of CR. There is variation in the GPP of water sample at different locations when measured at different depths shown in Figure 8.

DISCUSSION

The industrial waste and domestic sewage affects the overall condition of the Yamuna canal water which is depicted by decrease in DO, increase in BOD, high ammo- nia, nitrite and low values of water quality indices (WQI) (Bhatnagar et al., 2009). Very low DO and high Total Dissolved Solids (TDS), which were found to be impor- tant parameters for detecting river water quality illus- trated the polluted water of Delhi downstream stretch and better quality of Delhi upstream stretch (Khaiwal et al., 2003) High amount of organic matter under going biological degradation is the reason for the depletion of DO in water (Rim-Rukeh et al., 2006). Temperature play an important role in influencing the pH, alkalinity and DO concentration in the water and lowering of pH in Delhi downstream is because of greater input of waste from different type of industries and sewage of Delhi.

Flow of water in and out of an organism’s cell (osmosis) can be determined by calculating the density Total Dis- solved

Solids which is essential for the maintenance of aquatic life (Shinde and Nadre 2015). Physiological stress to fishes, phytoplankton and zooplankton is due to increased tem- perature, which not only reduced oxygen availability, but also increases oxygen demand (Desai 1995; Sharma and Selvaraj 2000). The high primary productivity promot- ing factor is considered to be alkaline pH (Khaiwal et al., 2003). Low nutrient levels and high turbidity seems to be due to low productivity (Ogbuagu and Ayoade 2011). The decrease of oxygen in the dark bottles helps in deter- mination of respiration rate which is given as their car- bon equivalents (Rajyalakshmi et al., 1975). Water quality of Yamuna is affected by the wastes from the industries, agricultural runoff and the drains carrying municipal sewage of the cities as the industrial belt of Haryana is

Reetu Kamboj et al.

mainly situated along the north- eastern part of the state along the Yamuna. According to the Central Pollution Control Board (CPCB, 2000), untreated sewage is respon- sible for 70% of the pollution in rivers which results in low DO and high BOD (Khaiwal et al., 2003). According to the present study, location 2 seems to have the highest Net primary Productivity which is depicted by the low- est value of Community Respiration when observed under alkaline pH (8.02), temperature (16.2°C), TDS (162 ppm) and DO (8.12 mg/l) when compared with the location 1 and 3. Low Net Primary Productivity at Location 1 and 3 may be due to the addition of high amount of industrial wastes. Moreover domestic waste is added in high amount to Yamuna River canal located at location 1 and 3 as these are situated near rural area.

CONCLUSION

According to the physico-chemical parameters of Yamuna River canal it is concluded that NPP of different sampling location shows wide range of variations as follows:

Yamuna Nagar > Dadupur Head > Radaur

The highest primary productivity is found to be at Yamunanagar as compared to Dadupur Head and Radaur. This indicates that planktonic activity is greatest in Yamu- nanagar. This low productivity could be attributed to the observed low nutrient levels because of industrial efflu- ents and high TDS (which exerts influences on photosyn- thetic activities of the autotrophs). Ongoing commercial sand mining in the river must have led to the depletion of nutrient stores, especially in the Benthal regions of the aquatic system. Due to addition of various products in river water the physiochemical characteristics of water changes. Industrial waste water drains are directly con- nected to the river & heavy metal pollution are occurred. The river pollution directly affect on the ecology, varia- tion in the biotic factors. Therefore the present study deals with the water quality of Yamuna River canal and com- parison was done to show the effect of industrial effluents and other anthropogenic activities. From the above results and discussions, we concluded that it is necessary to treat the water of Yamuna River canal and to establish efficient treatment plants by the effluents generating industries for maintaining the important parameters within the permis- sible limit prescribed by world health organization/Indian council of medical Research.

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