Predictions of biodiversity response to genetically modified herbicide-tolerant crops
2000
Watkinson, A.R. | Freckleton, R.P. | Robinson, R.A. | Sutherland, W.J.
We simulated the effects of the introduction of genetically modified herbicide-tolerant (GMHT) crops on weed populations and the consequences for seed-eating birds. We predict that weed populations might be reduced to low levels or practically eradicated, depending on the exact form of management. Consequent effects on the local use of fields by birds might be severe, because such reductions represent a major loss of food resources. The regional impacts of GMHT crops are shown to depend on whether the adoption of GMHT crops by farmers covaries with current weed levels.
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