Island Life
Answer the following series of questions related to Island Biodiversity and specific theories related to location, size, and relative isolation. Focus on the designated islands from the webmap (https://arcg.is/1HKaiP) to answer the questions.
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Species-Area Relationship - The larger the island the more diversity there is (between species and within species groups)
1. Based on the map how true does the theory hold? Give examples that support the theory. *
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2. What are some examples that go against the theory? What are some possible explanations for why they go against the theory? *
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Equilibrium Theory - Immigration is higher on near islands than on distant islands (in relation to the mainland), hence the equilibrium number of species present will be greater on near islands. Extinction is higher on small islands than on larger islands, hence the equilibrium number of species present will be greater on large islands.
3. Based on the map how true does the theory hold? Give examples that support the theory. *
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Species Isolation Theory - The more isolated an island is the lower species richness will be
4. Based on the map how true does the theory hold? Give examples that support the theory. *
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5. What are two factors that can cause species diversity to go up on isolated islands over time? *
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