一、调查背景三北镇地域虽小,但河流众多,河两岸的居民经常在水中洗衣服、淘米、捕鱼等。河流为人们的日常生活提供了很大的便利,但人们的活动对小河的环境造成了影响。最近几年来,三北镇经济发展迅速,大量工业废水排入小河中,影响了小河的水质。二、调查对象和方式我们对身边的河流进行了实地调查,其中包括公路横河、门前河、快河港、桥头河等数条河流。我们还以问卷的形式向长辈们进行了调查。 First, the background of the investigation Three North Town area is small, but many rivers, residents on both sides of the river often wash clothes in the water, wash rice, fishing and so on. Rivers provide great convenience to people’s daily life, but people’s activities have an impact on the environment of the river. In recent years, the rapid development of economy in the Three North towns, a large number of industrial waste water discharged into the creek, affecting the water quality of the creek. Second, the object of investigation and methods We conducted a field survey of rivers around them, including the highway Yokogawa, Menqianhe, fast river port, Qiaotou River and several other rivers. We also conducted surveys with elders in the form of questionnaires.