BY SERGEI PETROVSKII, HORST MALCHOW AND BAI-LIAN LI Shirshov Institute of Oceanology, Russian Academy of Science, Nakhimovsky Prosp. 36, Moscow 117218, Russia ([email protected]) Institute of Environmental Systems Research, Department of Mathematics, Osnabrück University, Osnabrück 49069, Germany Ecological Complexity and Modeling Laboratory, Department of Botany and Plant Sciences, Universi...