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Updated: Jul 16, 2026

Characterizing Herbivore Resistance Mechanisms: Spittlebugs on Brachiaria spp. as an Example
Published on: June 19, 2011
Predictions of biodiversity response to genetically modified herbicide-tolerant crops
A R Watkinson1, R P Freckleton, R A Robinson
1Schools of Environmental and Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK. a.watkinson@uea.ac.uk
Abstract:
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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