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Hoover, the president of economic depression; Roosevelt the president of recovery--the public images of these two men are so firmly fixed that they offer shorthand ways to talk about the era we know as the Great Depression. Yet their views on economic policy for taking the country out of its greatest economic calamity were not so different as is often supposed. Indeed, the famed journalist Walter Lippmann once claimed that Roosevelt's legislative measures represented "a continuous evolution of the Hoover measures." Moreover, both Hoover and Roosevelt shared a Keynesian conviction that public confidence was vital to recovery. They differed markedly, of course, in their ability to restore that...
Ecotones are interface zones between different ecosystems. Their ecological role and significance with regard to ecological management and conservation has become increasingly appreciated. For the management of freshwater resources, for example, an improved understanding of the role of land/inland water interfaces, will be essential for reducing negative human impacts by engineering, nutrient loading, siltation, etc. The management of ecotones, on the other hand, offers the possibility to control aquatic system processes via stock control of fish populations. Fish apparently are both excellent indicators of ecotone quality as well as determiners of its structure and function.
Proceedings of the Second Conference of Fish Telemetry in Europe held in La Rochelle, April 5-9, 1997