How does the loss of the Amur Leopard affect the environment?

The Amur leopard can become extinct between 2010 and 2011, there are only 30-35 left in the Wild. If the Amur Leopard goes extinct, the animals that it prays, will become overpopulated. Therefore, there will not be enough food to support them, and they will eventually become endangered. To keep it simple, the Amur Leopard becoming extinct will disturb the ecosystem.