Pareto-efficient biological pest control enable high efficacy at small costs
Niklas L.P. Lundstr\"om, Hong Zhang, {\AA}ke Br\"annstr\"om

TL;DR
This paper develops Pareto-efficient biological pest control strategies that balance efficacy and cost, demonstrating their effectiveness through a pest-pathogen-crop model and showing simple strategies can achieve near-optimal profits.
Contribution
It introduces a method to design Pareto-efficient release strategies for biological pest control, balancing effectiveness and economic viability, applicable to various pest management scenarios.
Findings
Simple Pareto-efficient strategies are highly effective.
One-off controls suffice at low to intermediate pest immigration rates.
Periodic releases are better when pest immigration is high.
Abstract
Biological pest control is increasingly used in agriculture as a an alternative to traditional chemical pest control. In many cases, this involves a one-off or periodic release of naturally occurring and/or genetically modified enemies such as predators, parasitoids, or pathogens. As the interaction between these enemies and the pest is complex and the production of natural enemies potentially expensive, it is not surprising that both the efficacy and economic viability of biological pest control are debated. Here, we investigate the performance of very simple control strategies. In particular, we show how Pareto-efficient one-off or periodic release strategies, that optimally trade off between efficacy and economic viability, can be devised and used to enable high efficacy at small economic costs. We demonstrate our method on a pest-pathogen-crop model with a tunable immigration rate…
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Taxonomy
TopicsEvolution and Genetic Dynamics · Mathematical and Theoretical Epidemiology and Ecology Models · Weed Control and Herbicide Applications
