1. Environmental Biology and Ecotoxicology Laboratory; Department of Environmental Sciences; Quaid-I-Azam University; Islamabad Pakistan
2. Department of Environmental Sciences; Pir Mehr Ali Shah Arid Agriculture University; Rawalpindi Pakistan
3. Department of Forestry and Range Management; Pir Mehr Ali Shah Arid Agriculture University; Rawalpindi Pakistan
4. State Key Laboratory of Organic Geochemistry; Guangzhou Institute of Geochemistry, Chinese Academy of Sciences; Guangzhou China