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INVASIVE SPECIES DECISION GUIDE APPENDIX H-II Timber Harvest – Invasive Species Decision Guide Harvest Unit Assessment and Scouting Are Targeted Invasive Species Present? NO ¾ Bring in clean equipment. ¾ Plan for monitoring for 1-year following harvest YES YES Can harvest timing or extent be modified to minimize spread? ¾ Bring in clean equipment ¾ Delineate infestation and avoid harvest of traffic in infested areas ¾ Operate on frozen ground ¾ Plan for monitoring for 2 years following harvest NO Are control measures feasible to contain or eradicate? NO YES ¾ Apply control measures prior to harvest ¾ Consider postponing harvest 1-2 years ¾ Plan for monitoring for 1-2 years following harvest ¾ Clean equipment before leaving site