[Shakoor, Awais] Univ Lleida, Dept Environm & Soil Sci, Avinguda Alcalde Rovira Roure 191, Lleida 25198, Spain.
[Farooq, Taimoor Hassan; Yan, Wende] Cent South Univ Forestry & Technol, Coll Life Sci & Technol, Changsha 410004, Hunan, Peoples R China.
[Farooq, Taimoor Hassan; Yan, Wende; Chen, Xiaoyong] Natl Engn Lab Appl Technol Forestry & Ecol South, Changsha 410004, Hunan, Peoples R China.
[Ashraf, Fatima] Lahore Coll Women Univ, Dept Chem, Lahore, Pakistan.
[Rehman, Abdul] Univ Sci & Technol China, CAS Key Lab Crust Mantle Mat & Environm, Sch Earth & Space Sci, Hefei 230026, Anhui, Peoples R China.