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Population Dynamics of Rotifers as Influenced by Physicochemical Parameters and Heavy Metals at Khanki Headworks, Gujranwala, Pakistan

Population Dynamics of Rotifers as Influenced by Physicochemical Parameters and Heavy Metals at Khanki Headworks, Gujranwala, Pakistan

Muhammad Ahsan Raza1,2*, Nabila Roohi2, Abdul Qayyum Khan Sulehria3 and Muhammad Khalil Ahmad Khan4

1Department of Zoology, Govt. Graduate College (Boys), Satellite Town, Gujranwala, Pakistan
2Institute of Zoology, University of the Punjab, Lahore, Pakistan
3E-154/A9, Yasrab Colony, Walton Road, Lahore Cantt, Lahore, Pakistan
4Department of Zoology, University of Okara, Okara, Pakistan
 
*      Corresponding author: [email protected]

Fig. 1.

Variations of different physicochemical parameters, temperature (°C), pH, dissolved oxygen (DO), electrical conductivity (EC), total hardness (TH), turbidity (NTU), total alkalinity (TA), total dissolved solids (TDS), chlorides (mg/L) at Khanki Headworks.

Fig. 2.

Population density of rotifers on monthly basis from Khanki Headworks.

Fig. 3.

Relative abundance of rotifer species isolated from Khanki Headworks.

Fig. 4.

Variations of diversity indices of rotifers isolated from Khanki Headworks. H, Shannon-weaver diversity index; D, Simpson index of dominance; 1-D, Simpson index of diversity; SR, species richness; SE, species evenness.

Fig. 5.

Percentage representation of rotifer genera isolated from Khanki Headworks.

Fig. 6.

Relative concentrations of heavy metals collected from Khanki Headworks.

Fig. 7.
PCA biplot of 34 rotifer species of Khanki Headworks from February 2021 to January 2022.
Fig. 8.

CCA ordination triplot depicting the rotifer environment relationships at Khanki Headworks. 

Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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