| Impact ID | 9009 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Forests of Pinus strobes that are invaded by Rhamnus frangula (glossy buckthorn) may become less valuable for logging as glossy buckthorn spreads and prevents white pine from regenerating. |
| Reference | 25429 |
| Cost | |
| Location | Signal Hill, Lebanon, NewHampshire, USA |