ORIGINAL: DanM3029
When we had our property logged, we did it with the long range goal of wildlife habitat improvement, as well as opening the canopy for future growth (and future logging) of the trees that were competing for sunlight. We had our forester run the land, and he pointed out specific trees for "girdling" to make den trees. Basically, he found some big, dying trees or trees with little economic value and had the logger make 2 rings around the trees, about 2 to 3 inches deep, and a couple of niches apart, that would kill the tree, but let it remain standing. This was done about 10 years ago. I have seen pileated woodpeckers and owls in the trees. Also, we lef tthe tops of the trees for brush piles. e also have a 'safe haven' for the deer, about 10 ares in size, that is extremely thick. We do not hunt this spot as this is where the deer go to bed. In winter, we grab discarded christmas trees and make brush piles in the 'safe have' with them. Multiflora rose is prevalent in the area, as well as sumac and other dense brush. The area is now quite thick and the home to numberous deer, rabbits and other small game.
Sounds like a very effective management stratagy. I have many snags.. dead trees which provide food and sometimes shelter or dens. However my den tree stratagy is not to girdle and kill the tree (hopefully), rather open it up so that it provides a den that lasts years as a living tree.