Which is an example of sustainable logging?

Reduced Impact Logging is an example of sustainable logging.

Explanation:

Sustainable logging refers to the logging of mature trees only and leave the small tress for maturing and growth. It is favorable for sustainable environmental conservation and prevention of soil erosion. Cutting of trees loosen the soil particles and make them prone to wash down cause soil erosion.

So, its better to select first the old and mature trees and cut their branches for lumbering. Don't cut randomly all the trees includes newly planted and young trees which strongly hold the soil.