长江经济带绿色生态廊道建设研究
杨桂山, 徐昔保, 李平星

Research on the construction of green ecological corridors in the Yangtze River Economic Belt
Guishan YANG, Xibao XU, Pingxing LI
图3 20世纪以来长江大洪水事件的年代际变化
Fig.3 Interdecadal variability of heavy floods of the Yangtze River since the 1900s