Document Type

Article

Language

eng

Format of Original

4 p.

Publication Date

1-1991

Publisher

Aquatic Plant Management Society

Source Publication

Journal of Aquatic Plant Management

Source ISSN

0146-6623

Abstract

In this paper, a mathematical programming and simulation method is used to estimate the number of weevils (Neochetina bruchi Hustache, and N. eichhorniae Warner) necessary to initialize the INSECT model which simulates the biological control of waterhyacinth by the weevils. The objective is to estimate the initial input values for the adult population so that the sum of the absolute differences between the observed and the simulated numbers of weevils is minimized. In general, the simulated values using the initial values obtained from the mathematical programming problem were within the 95% confidence intervals of the actual field observations. Also, in many cases, the simulation results indicated trends similar to those indicated by the field data in both timing and the numbers of weevils.

Comments

Published version. Journal of Aquatic Plant Management, Vol. 29 (January 1991): 21-24. Publisher link. © 1991 Aquatic Plant Management Society. Used with permission.

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