Which tree management strategy involves cutting trees at different intervals to promote forest health?

The tree management strategy that involves cutting trees at different intervals to promote forest health is thinning. Thinning is a silvicultural practice used to reduce the density of trees in a specific area. This can help improve overall forest health by allowing remaining trees more access to sunlight, nutrients, and water, which fosters better growth.

By selectively removing certain trees, thinning helps to reduce competition among them, promoting a more balanced ecosystem. This practice can also enhance habitat quality for wildlife and can help reduce the risk of diseases and pests by improving air circulation within the forest.

In contrast, selective cutting and clear cutting are different approaches that do not specifically target the promotion of long-term forest health through variable intervals. Selective cutting involves harvesting specific trees while leaving others, but without the intended regular intervals to benefit the ecosystem. Clear cutting removes all trees in an area, which can lead to significant disruption of the forest environment. The term "Michelin Cutting" does not refer to a recognized method in forestry management.