Beetle banks and hedgerows can increase populations of natural predators
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Card 8
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predator/pathogen species introduced to control pests. However they must be selected carefully as it can go wrong – Cane toads Australia
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Card 9
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Exposing the males to gamma radiation sterilises them so no offspring is produced reducing populations. It’s species specific (doesn’t affect non target species), however it has failed in some cases – mosquitoes it altered their behaviour
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Card 10
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Maximise total yield by spreading available inputs over large area of land
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Card 11
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Large inputs over small areas of land. Productive but not very efficient.
