Red Tide
Accounting for the Joint Effect of Various Factors
A. Yu. Morozov and S. V. Petrovskii
Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, Russia
Received February 1, 1999; in final form, February 1, 2000
Abstract—We consider a simple mathematical model, which accounts for some common regularities of the
onset of “red tides”: the joint effect of various biohydrochemical factors and the dependence of the initiation of
a self-induced bloom on the features of the temporal dynamics (rate of changes) of the characteristics of the
environment. Explicit formulas for the estimation of the “dangerous” range of the ecosystem parameters are
obtained.
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