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Detailed Ecological Assessment Report 2008 – Keenjhar Lake 3.3.2 Species account In the summer studies, 17 species out of 48 possibly distributed species of amphibians and reptiles were observed or collected. To add to the number of species recorded during the summer, the author repeated the survey in the beginning of the winter season and observed and collected 6 additional species including 2 species of freshwater turtles i.e. Lissemys punctata andersoni and Aspideretes gangeticus, one species of gecko i.e. Cyrtopodion kachhense kachhense, lacertids Ophisops jerdonii, Boa i.e. Eryx conicus and a species of colubrid snake Spalerosophis atriceps, all of which were not represented in the previous survey. Thus 23 species of herpetiles were recorded out of all possible 48 species from the study area. The amphibians are represented by 3 species belonging to 3 genera and 2 families. Among the reptiles, chelonians are represented by 6 species belonging to 5 genera and 2 families. Lizards outnumber all the groups of reptiles, represented by 21 species belonging to 13 genera and 7 families. Snakes are the second dominant group of herpetiles in the study area and are represented by 19 species belonging to 15 genera and 6 families. A comprehensive list of species collected both in summer and winter is provided in the annex document. Image 4 – Reptile habitat at Keenjhar Lake Image 5 – Reptile habitat at Keenjhar Lake The comparison of various diversity parameters shown in Table 12 is indicative of higher diversity of herpetiles in summer studies. Though the richness of both summer and pre-winter observation and collection of herpetiles is equal yet the Shannon diversity index and the evenness of summer studies is somewhat higher than the pre-winter studies. Figure 5 gives an account of number of species recorded over winter and summer. Table 12 – Comparison of amphibian and reptilian diversity during summer and pre-winter studies at Keenjhar Lake S. No. Species Name Total Summer Winter 1. Bufo stomaticus 74 74 0 2. Euphlyctis c. cyanophlyctis 32 26 06 3. Hoplobatrachus tigerinus 50 45 05 4. Lissemys punctata andersoni 04 0 04 5. Aspideretes gangeticus 02 0 02 6. Eublepharis macularius 13 13 0 WWF Pakistan – Indus for All Programme Page 44 of 165
Detailed Ecological Assessment Report 2008 – Keenjhar Lake S. No. Species Name Total Summer Winter 7. Uromastyx hardwickii 22 08 14 8. Calotes v. versicolor 28 28 0 9. Trapelus megalonyx 12 12 0 10. Trapelus agilis pakistanensis 49 35 14 11. Trapelus rubrigularis 08 08 0 12. Cyrtopodion scaber 25 17 08 13. Cyrtopodion k. kachhense 07 0 07 14. Hemidactylus flaviviridis 70 54 16 15. Acanthodactylus cantoris 24 19 05 16. Ophisops jerdonii 04 0 04 17. Varanus bengalensis 48 26 22 18. Eryx johnii 08 08 0 19. Eryx conicus 01 0 01 20. Ptyas m. mucosus 13 11 02 21. Spalerosophis atriceps 04 0 04 22. Xenochrophis p. piscator 11 09 02 23. Echis carinatus sochureki 22 18 04 Total (number of individuals collected) 531 411 120 Figure 5 – Number of reptile and amphibian species recorded from Keenjhar Lake over winter and summer 18 16 14 12 10 8 6 4 2 0 Summer Winter WWF Pakistan – Indus for All Programme Page 45 of 165
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Untitled - WWF - Pakistan

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