Assessing the conservation value of fresh waters :

Includes bibliographical references and index.

Background, philosophy and context / Philip J. Boon and Catherine M. Pringle -- Freshwater conservation in action: contrasting approaches in the USA and the UK / Catherine M. Pringle and David Withrington -- So much to do, so little time: identifying priorities for freshwater biodiversity conservation in the USA and Britain / Jonathan Higgins and Catherine Duigan -- Responding to environmental threats within the UK and North America / Christopher A. Frissell and Colin W. Bean -- Evaluating restoration potential / T. E. L. Langford and C. A. Frissell -- Methods for assessing the conservation value of rivers / Philip J. Boon and Mary Freeman -- Methods for assessing the conservation value of lakes / Laurie Duker and Margaret Palmer -- System Aqua : a Swedish system for assessing nature conservation values of fresh waters / Eva Willén -- Evaluating Australian fresh waters for nature conservation / Jon Nevill and Andrew Boulton -- Evaluating fresh waters in South Africa / Jay O'Keeffe and Christa Thirion -- Evaluating fresh waters in developing countries / Robin Abell and Mark Bryer.