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Estuarine indicators
Our current level of long-term and comparative information on estuaries in many cases prohibits objective
determination of the status and trends among these ecosystems. The way to resolve this situation is to
develop and evaluate estuarine environmental indicators that will permit objective and meaningful
evaluation of estuaries. However, this effort far exceeds the ability of one or a few well-intentioned
scientists. Only the collective wisdom of the larger scientific community has the potential to make
considerable strides in the direction of developing meaningful estuarine indicators. It is within this
process that the idea for an Estuarine Indicators Workshop was born. The workshop, held on 29–31
October 2003 on Sanibel Island, Florida, served to bring together many of the world’s leading estuarine
scientists for the express purpose of presenting their views on estuarine indicators. Oral presentations
were organized to address several features of estuarine indicators. These included the theory behind
environmental indicators and the presumed attributes of effective estuarine indicators; the methods and
protocols of indicator development and evaluation; a presentation of effective and failed examples of
estuarine indicators; and a discussion that led contributors to speculate on the future direction of this
dynamic field.
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