* The vision, ideas, observations and recommendations presented in this report are summarized from discussions by the participants during the 'Sustain What?' workshop held in New York in November 2010. The atmosphere was an example of creative collaboration at its best and the intellectual property herein belongs to the participants as a whole. Agreement with everything in the report by any single author should not be assumed as there was lively debate and disagreements over details. That said, most major points including, importantly, the feasibility of a 50-year species inventory were agreed to by all. The participants willingly set aside minor divergences of opinion in the interest of community-building and the creation of a powerful general vision for what can be.

The Cahaba River is a largely free-fl owing river system in central Alabama noted for the great diversity of its aquatic fauna. Much of the vertebrate and molluscan faunas have been examined in past studies, but with the exception of the Trichoptera, relatively little is known of the aquatic insect fauna. This study was conducted to fi ll the void left by the absence of mayfl y and stonefl y data. Mayfl ies and stonefl ies were collected from seven sites along a longitudinal gradient on the mainstem Cahaba River from late April 2004 to May 2005. Forty species, 25 genera, and nine families of Ephemeroptera were recorded. For the Plecoptera, 18 species, 10 genera, and four families were found. Six new state records for mayfl ies were recorded.

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