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UNEP Study Guide - World Model United Nations

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methods of producing harmful monocultures. 81 In<br />

a monoculture, if a single spore infects one leaf<br />

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identical plants than in a monoculture. Therefore,<br />

spores of a pathogen produced on one plant are less<br />

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can infect - and so disease spreads more slowly. More<br />

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plants.<br />

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a particular plant induce a resistance reaction. 82 If a<br />

spore which would normally infect that plant then<br />

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use those surplus resources. Such compensation is<br />

uncommon in a monoculture where all plants are<br />

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mixtures.<br />

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the surface, stimulating the rapid reproduction and<br />

83<br />

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major source of food for larger organisms. But some<br />

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84 <br />

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poisoning, which can shut down mussel and clam<br />

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the water as they multiply. The result is an oxygen-<br />

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19

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