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Dynamical System and Nonlinear Regression for Estimate Host-Parasitoid Relationship

The complex relationships of a crop with the pest, its natural enemies, and the climate factors exist in all the ecosystems, but the mathematic models has studied only some components to know the relation cause-effect. The most studied system has been concerned with the relationship pestnatural enemies such as prey-predator or host-parasitoid. The present paper shows a dynamical � � ,