Beneficial role of noise in promoting species diversity through stochastic resonance.
There is an increasing recognition that patterns in species diversity cannot be understood without reference to nonequilibrial or unstable dynamics. Recently, through a realistic ecological model that involves dispersal, we have addressed the positive role of noise in promoting species coexistence [Phys. Rev. Lett. 94, 038102 (2005)]. Here we present a physical theory to account for the main scaling law responsible for this phenomenon.
Lai
Ying-Cheng
YC
Department of Electrical Engineering, Arizona State University, Tempe, Arizona 85287, USA.