tion. We are also over concerned with now compared to the future which I believe to be more important . The world is to caught up in todays tinkerings to think about the end effects. Leopold stated "that with each substitution of a tame plant or animal for a wild one, or an artificial waterway for a natural one is accompanied by a readjustment in the circulating system of the land." We do not foresee or understand these things unless it affects us .The essay has defiantly stood the test of time well, or why else would I have to read and write about it now? All of his major points in the essay have proved themselves true and are still being referred to by scientists and naturalists today. ...