
Keywords: فاکتور خنثی سازی; S; Sulfur; N; Nitrogen; NPS; U.S. National Park Service; MEP; Ministry of Environmental Protection of China; EANET; Acid Deposition Monitoring Network in East Asia; JNNR; Jiuzhaigou National Nature Reserve; QTP; Qinghai-Tibetan Plateau; a.s.l; Above Sea