江河湖海诸种鱼类不分巨细共有多少条?谁也说不清。世上有忧天之杞人,我以为,比尘世大得多的水里却没有一条忧水之鱼。 西北土地上的水在逐渐减退,减退的速度在不断加剧。地图上沙漠里标的什么泊、什么淖、什么盐沼泽与湿碱地,全都是从前的湖荡与海子的渍痕与水迹。 我国最大的成水湖青海湖,24年间,四围的水面朝内收缩了1000多米。黄河素称母亲河,水中砷含量 Rivers and lakes all kinds of fish, regardless of the total number of how many? Who can not tell. The world is full of worries, I thought, much larger than the earth without a fish in the water. The water on the northwest land is gradually diminishing, and the rate of decline is steadily increasing. What is the mark on the map of the desert in the map, what 淖, what salt swamps and wet alkali, all of the former lake and Haizi marks and water stains. Qinghai Lake, the largest lake in China, shrank more than 1,000 meters toward the water within four years. The Yellow River, said mother river, water arsenic content