我的家乡垫江县澄溪镇,是重庆市三峡库区的一个国家级示点集镇。这里有星罗棋布的池塘,稻田和水库是水生动物的天堂。可近几年,很少听到蛙声,水中常见的动物也越来越少。是什么原因让这些动物数量迅速减少了呢?为了弄清这个问题,我们在老师的指导下,对农村水生动物减少的原因进 My Town Dianjiang County Chengxi Town, is a national level demonstration town in Chongqing Three Gorges Reservoir Area. There are ponds dotted with rice paddies and reservoirs that are paradise for aquatic animals. In recent years, rarely heard frogs, water less and less common animals. What makes the number of these animals rapidly decreased? In order to clarify this issue, we under the guidance of the teacher, the reason for the reduction of rural aquatic animals into