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Tiger numbers could triple if large-scale landscapes are protected

The tiger reserves of Asia could support more than 10,000 wild tigers – three times the current number – if they are managed as large-scale landscapes that allow for connectivity between core breeding sites, a new paper from some of the world’s leading conservation scientists finds. The paper is the first assessment of the political commitment made by all 13 tiger range countries at November’s historic International Tiger Conservation Forum double the tiger population across Asia by 2022.

The authors found that the 20 priority tiger conservation landscapes with the highest probability of long-term tiger survival could support more than 10,500 tigers, including about 3,400 breeding females. They also looked at historical examples to prove that a doubling or tripling is possible using large landscapes.

Image right: A Sumatran tiger.

“A Landscape-Based Conservation Strategy to Double the Wild Tiger Population” in the current issue of Conservation Letters, finds that the commitment to double tiger numbers is not only possible, but can be exceeded. However, it will take a global effort to ensure that core breeding reserves are maintained and connected via habitat corridors.

This wild tiger was filmed by a hidden jungle camera in Malaysia.

Wild tiger numbers have declined from about 100,000 in the early 1900s to as few as 3,200 today due to poaching of tigers and their prey, habitat destruction and human/tiger conflict. Most of the remaining tigers are scattered in small, isolated pockets across their range in 13 Asian countries.

“Tiger conservation is the face of biodiversity conservation and competent sustainable land-use management at the landscape level,” said study co-author John Seidensticker of the Smithsonian Conservation Biology Institute. “By saving the tiger we save all the plants and animals that live under the tiger’s umbrella.”

Besides poaching and habitat loss, the $7.5 trillion in infrastructure projects like roads, dams and mines that will be invested in Asia over the next decade threatens tiger landscapes. A focus only on core sites and protected areas like reserves, instead of larger landscapes, could be seen by developers and politicians as a green light to move forward with harmful infrastructure projects outside of core sites.

The authors insist that conservationists and governments must be involved in helping design infrastructure projects to mitigate their impacts on tigers both inside core sites and in current and potential forest corridors.–World Wildlife Fund

 

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