Making Predictions That Change the Future, Forecasts and Alternative Visions for the Illinois River

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Excerpt from Making Predictions That Change the Future, Forecasts and Alternative Visions for the Illinois River: Keynote Speech at the Third Biennial Governor's Conference on the Management of the Illinois River SystemThe Illinois River Floodplain. Although the undisturbed Illinois River was relatively small in terms of flow (approximately equal to the Rock River, prior to the largescale diversion of Lake Michigan water down the Illinois starting in it has an unusually large floodplain for its size. Large river-floodplain ecosystems have always been rare, because not every large river has a large floodplain: the Columbia, the Colorado, and the St. Law rence are large North American rivers, in terms of water flow, but they are enclosed in narrow valleys or canyons, without large floodplains. The miles wide (2 to 7 miles) floodplain of the middle and lower Illinois River is a gift of much larger ancestral rivers (figure Intact large river-flood plain ecosystems are extremely rare, and are becoming rarer still, because the developed countries of the world have altered entire watersheds and channel ized and impounded virtually all their large rivers, and the developing coun tries are hurrying to catch up with them (sparks 1992, Sparks.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.