Title: 明清时期洱海周边生态环境变化与社会协调关系研究
Subjects: Ecology, History, Qing Dynasty (China), Environmental conditions, Sources
Places: China, Dali Baizu Zizhizhou, Er Lake (China), Dali Baizu Zizhizhou (China)
Time periods: Ming dynasty, 1368-1644, Qing dynasty, 1644-1912