Timothy Jickells,^*,**,*** Julian Andrews,^****,** Gregory Samways,^****,** Richard Sanders,^*,** Stephen Malcolm,^*,***** David Sivyer,^*,***** Ruth Parker,^*,***** David Nedwell,^{******,*******} Mark Trimmer,^{******,*******} John Ridgway<sup>****,********


*</sup>Tim Jickells, Richard Sanders, Stephen Malcolm, Dave Sivyer and Ruth Parker are biogeochemists interested in the transport of nutrients through estuaries.
^**T. Jickells, J. Andrews, G. Samways, and R. Sanders: School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, UK.
^***Contact author: t.jickells@uea.ac.uk
^****Julian Andrews, Gregory Samways and John Ridgway are sedimentologists interested in the biogeochemistry of coastal environments. All three have worked together within the LOIS project.
^*****S. Malcolm, D. Sivyer, and R. Parker: CEFAS Laboratory Pakefield Road, Lowestoft NR3 3OT, UK.
^******Dave Nedwell and Mark Trimmer are environmental microbiologists interested in the cycling of nitrogen in coastal waters. All these scientists have worked together within the JONUS programme.
^*******D. Nedwell and M. Trimmer: Department of Biology, University of Essex, Colchester CO4 3SQ, UK.
^********J. Ridgway: British Geological Survey, Keyworth, Nottingham NG12 5GG, UK.