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predation I - Predation Click to edit Master subtitle...

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Click to edit Master subtitle style 6/4/11 Predation … (and consumer-resource interactions more generally)
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6/4/11 Lecture overview The variety of consumer-resource interactions in a nature l The ecosystem-wide effects of consumers l Interactions between multiple predators l Predator-prey coevolution l Basic L-V models of predator-prey interactions Next lecture (after the test)
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6/4/11 Consumer-resource interactions (I) All non-photosynthetic organisms must eat.. and all organisms are at risk of being eaten l Let’s see if we can name all of these types of consumers…
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6/4/11 Consumer-resource interactions (II)
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6/4/11 Consumer-resource interactions (II) Herbivore Parasitoid Predator Detritivore Parasite
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6/4/11 Consumer-resource interactions (III) We can consider C-R interactions in terms of the duration and ‘intimacy’ of the relationship, as well as the probability of the death of resource individuals.
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6/4/11 Herbivores can have huge impacts (I) Before 3 years after e.g. Introduction of the cactus moth to Australia
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6/4/11 Herbivores can have huge impacts (II) not grazed Impact of cattle grazing (in this case in Hawaii)
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