1. Civil Engineering; National University of Ireland Galway; Room 1-029 New Engineering Building Galway Ireland
2. Department of Biology; Baylor University; Waco Texas 76798
3. Department of Crop, Soil, and Environmental Sciences; University of Arkansas; Fayetteville Arkansas 72701
4. Freshwater Ecology; Galway-Mayo Institute of Technology; Dublin Road Galway Ireland
5. Centre for Ecology and Hydrology; Wallingford OX10 8BB United Kingdom
6. Department of Biological and Agricultural Engineering Systems; University of Arkansas; Fayetteville Arkansas 72701
7. Agricultural Statistics Laboratory; University of Arkansas; Fayetteville Arkansas 72701