野鸭湖湿地自然保护区位于北京市延庆区,由环湖(官厅湖)海拔479米以下的库滨区组成,保护区总面积6873公顷,是北京地区面积最大的湿地自然保护区。野鸭湖湿地拥有丰富的动植物资源——已发现的鸟类总数达到了295种、高等植物472种、昆虫近200种,具有重要的生态功能效益和保护、研究价值。成为首批北京市中小学社会大课堂资源单位后,我们在建设校外实践课程方面进行了很多思考和尝试,建立起了一套完整的校外 The Yeyahu Wetland Nature Reserve is located in Yanqing District of Beijing. It consists of the Kulun District below 479 meters above sea level. The total area of ​​the reserve is 6,873 hectares, making it the largest wetland nature reserve in Beijing. Yeyahu Wetland has abundant animal and plant resources - the total number of birds found has reached 295 species, 472 species of higher plants and nearly 200 insects, which have important ecological function benefits and protection and research value. After becoming the first class resource unit of primary and secondary school social class in Beijing, we have made a lot of thinking and attempts in building off-campus practical courses and have established a complete set of off-campus