According to the ministerial conference on the protection of forests in europe (mcpfes), sustainable forest development is defined by these three criteria.

it does not damage other ecosystems.
it fulfills social and economic potential.
it maintains reproductive ability, biodiversity, and productivity.
it promotes the development of one species.

According to the Ministerial Conference on the Protection of Forests in Europe (MCPFEs), sustainable forest development is defined by these three criteria: 
It does not damage other ecosystems.
It fulfills social and economic potential.
It maintains reproductive ability, biodiversity, and productivity.

One species cannot be enough to develop forests all over the world, which is why that is not the correct answer, and the other three options fall within the scope of forest development.

Did you know it's illegal to own only one guinea pig in switzerland?   : )