今年长江流域之所以发生特大洪灾，除了受厄尔尼诺现象影响降雨量较大等“天灾”原因外，也存在毁林开荒、园湖造田及乱建房屋、占用河道等诸多“人为”因素。深人分析这些“人为”因素，我们不难发现，不断增加的人口压力是重要原因之一。日前，记者就此采访了中国人口学会常 Exceeding floods in the Yangtze River basin this year, apart from the “natural disasters” caused by the El Niño phenomenon such as heavy rainfall, there are many “man-made” factors such as deforestation and wasteland, the construction of parkland and the indiscriminate construction of houses and river channels. Deep analysis of these “human factors”, we can easily find that the growing population pressure is one of the important reasons. Recently, this reporter interviewed China Population Association often