Which natural resource management approach acknowledges the uncertainties about the functioning of the natural resource systems?

The correct answer is an adaptive resource management approach.

Explanation:

Adaptive management also termed as adaptive environmental assessment or adaptive resource management. It is one of the important approaches that deal with natural resource management.

The adaptive management approach is a structured, frequent process of acknowledging and making vigorous decisions in the face of uncertainty about the functioning of the natural resources system. The goal of this approach is to reducing uncertainty over time.

Thus, the correct answer would be an adaptive resource management approach.