1. Department of Biological Sciences Michigan Technological University Houghton MI USA
2. Department of Land Resources and Environmental Sciences Montana State University Bozeman MT USA
3. Now at Bigelow Laboratory for Ocean Sciences East Boothbay ME USA
4. Department of Earth Sciences Montana State University Bozeman MT USA
5. Institute for the Dynamics of Environmental Processes—CNR Venice Italy
6. Now at Institute of Polar Sciences, CNR Venice Italy
7. Department of Environmental Sciences, Informatics and Statistics Ca'Foscari University of Venice Venice Italy
8. Department of Biological Sciences Louisiana State University Baton Rouge LA USA
9. Department of Microbiology and Cell Science, Biodiversity Institute University of Florida Gainesville FL USA
10. Department of Earth and Space Sciences University of Washington Seattle WA USA
11. Department of Geography and Earth Sciences Aberystwyth University Aberystwyth UK
12. Now at Department of Oceanography Texas AandM University College Station TX USA
13. Department of Microbiology University of Tennessee Knoxville TN USA