6. Describe how the following factors found in Figure 8 are related toLyme disease risk and explain why. a) Number of predators The numbers of predators can diminish the primary cause for Lyme disease, which are white-footed mice. With out the presence of these mice there are less infected ticks that can cause Lyme disease. b) Number of mice & chipmunks The number of mice and chipmunks greatly affect the ability for the disease to spread because these small animals are carriers of ticks and spread through out the forest dispersing the ticks even further, which increase the chances of a tick to cause Lymes disease. c) Number of deer Just like the mice and chipmunks, deer are host for ticks. Humans hunt and also eat deer, which means contact with the deer are made. An abundance of deer means that more ticks will be present and the chances of a tick biting a human are greater. More deers equals more diseased ticks spreading.
d) Number of ticks Number of ticks increases the chances of possible infections because ticks carry the bacterium that causes Lyme disease and infect a greater number of hosts. 7. On page 8, Ostfeld describes the use of a computer model to predict Lyme disease dynamics. What do these results suggest are important ecological factors related to risk from Lyme disease?
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- Fall '15