Introduction : what is ecosystem health and why should we worry about it? / Benjamin D. Haskell, Bryan G. Norton, and Robert Costanza -- A new paradigm for environmental management / Bryan G. Norton -- Aldo Leopold's metaphor / J. Baird Callicott -- Has nature a good of its own? / Mark Sagoff -- Toward an open future : ignorance, novelty, and evolution / Malte Faber, Reiner Manstetten, and John Proops -- Environmental existentialism / Talbot Page -- Environmental therapeutic nihilism / Eugene Hargrove -- Ecosystem health and ecological theories / David Ehrenfeld -- What is clinical ecology? / David J. Rapport -- Establishing ecosystem threshold criteria / David J. Schaeffer and David K. Cox -- Alternative models of ecosystem restoration / Susan Power Bratton -- Ecosystem health and trophic flow networks / Robert E. Ulanowicz. Measures of economic and ecological health / Bruce Hannon -- Ecological integrity : protecting Earth's life support systems / James R. Karr -- Toward an operational definition of ecosystem health / Robert Costanza.
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