[1] Univ Amsterdam, Inst Biodivers & Ecosyst Dynam, Amsterdam, Netherlands
[2] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA
[3] Univ Wageningen & Res Ctr, NL-6700 AC Wageningen, Netherlands
[4] Univ Arizona, Dept Hydrol & Water Resources, Tucson, AZ 85737 USA
[5] Los Alamos Natl Lab, Civilian Nucl Program Off SPO CNP, Los Alamos, NM 87545 USA