How does human structures and roads affect animal migration?



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    The Road Ecology Center of the John Muir Institute of the Environment at the University of California, Davis performed an assessment of the impacts of roads on animal population viability. In their assessment they determined that roads and structures fragment animal populations. This reduces the numbers of animals found in an area and reduces the quality of the local environment. If their numbers and health are reduced because of infrastructure development their ability to migrate will also be negatively impacted since not all animals that perform a migration survive, the numbers of mature animals could be reduced. Roads, especially roads with a large amount of traffic can be very dangerous for migrating animals that could get hit by a vehicle.

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