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This study uses the discrete-time optimal control models and numerical simulations of different scenarios to explore the impact of Genetically Modified (GM) Crop' value on the sustainability of an ecosystem’s biomass. The results indicate that profit-maximizing farmers and a welfare-maximizing government would plant GM crops regardless of whether the biomass of the ecosystem remains sustainable (the ecological or evolutionary loss of GM crops) or not. However, the slightest loss of biomass (ecological loss) caused by the ecological mechanism of GM crops, due to their evolution mechanism, may become significant (evolutionary loss). Furthermore, the sustainability problem of biomass would become more severe due to the impact on identity preservation, improvement in planting technology and biotechnology, and climate change. However, conservation activities may help solve this problem.

THE IMPACT OF THE GENETICALLY MODIFIED CROP’S VALUE ON THE SUSTAINABILITY OF AN ECOSYSTEM’S BIOMASS