For many people, the word “Africa” evokes panoramic images of great herds of large mammals migrating across vast, unspoiled savanna. But is human activity changing this landscape? In this episode of Beyond the Frontier, we talk with Dr. William Newmark, who suggests that humans are causing Africa’s protected areas to become increasingly isolated as a result of land-use changes, habitat loss, the construction of fences and roads, overhunting, and the spread of disease from domestic livestock. The implications of reserve isolation for the future of Africa’s large mammals and the need for multiple, coordinated conservation strategies to protect the continent’s wildlife are also discussed.

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