Introduction to environmental ecology. According to official website of Yunnan Agricultural University, in 2023, the postgraduate courses of environmental science in College of Resources and Environment of Yunnan Agricultural University were ideological and political theory, English I, environmental ecology, introduction to environmental science and engineering, in which the code of environmental ecology was 705, and the bibliography was introduction to environmental ecology. Yunnan Agricultural University is a state-owned, public and provincial key full-time ordinary university, and it is also the first batch of pilot universities in China to reform the education and training plan for outstanding agricultural and forestry talents and outstanding engineers.