[Khan, Anwarzeb] Univ Swat, Dept Environm & Conservat Sci, Mingora 19200, Pakistan.
[Khan, Sardar; Khan, Anwarzeb; Khan, Muhammad Amjad] Univ Peshawar, Dept Environm Sci, Peshawar 25120, Pakistan.
[Khan, Sardar; Lei, Ming] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.
[Alam, Mehboob] Univ Agr Peshawar, Dept Hort, Peshawar, Pakistan.
[Khan, Ajmal] Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing 100101, Peoples R China.