Table 4 Biodiversity topics addressed in forest biomass harvesting guidelines, as percent occurrence in 21 North American and 10 European jurisdictions or regions
From: Sustainable forest biomass: a review of current residue harvesting guidelines
| Action or practicea | North America | Europe |
|---|---|---|
| Biodiversity (any action) | 91 | 80 |
| Restrict on valuable or sensitive sites | 90 | 80 |
| Restrict on sites with threatened or endangered species | 90 | 70 |
| Retain some standing live and dead trees, fallen woody biomass, stumps/roots (see also Tables 6 and 7) | 90 | 70 |
| Retain mast-producing woody vegetationb | 48 | 40 |
| Retain forest floor or litter (see also Table 8) | 90 | 30 |
| Retain harvest residues used by wildlife (not in Table 8) | 29 | 10 |
| Retain travel corridors and transition areas | 33 | 20 |
| Avoid harvest during reproduction, migration | 24 | 40 |
| Encourage native species or discourage non-natives | 52 | 50 |