Tree ordinances guidelines - tree banks and tree banking .
The terms have an appealing ring to people who are interested in conserving tree resources because of the mental images they conjure up. However, these terms do not have a single, widely-accepted definition either as used in ordinances or as used in the wider world of forestry. In some cases, tree planting may be required to meet overall tree canopy cover or density standards in areas that have little or no natural tree cover. Planting trees in off-site mitigation banks , i.e., areas set aside as a permanent receiver sites for tree plantings. The mitigation bank is typically public land, although this would not need to be the case, and may or may not have existing tree resources.