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Committee advances tree-inventory work as emerald ash borer monitoring begins
Summary
Members discussed TreePlotter inventory updates and a master tree list while staff announced deployment of six EAB traps from ODFW and described monitoring and potential treatment options; staff cautioned about costs and survival rates.
Committee members reviewed the TreePlotter inventory and a draft master tree list, encouraging volunteers to log EAB-prone species (ash and birch) during park cleanups to help prioritize protections. One member said the inventory can be exported for reporting and suggested sharing logins so multiple committee members can update and review the list; training and a refresher on report exports were requested.
Staff (Sean) reported the committee has six emerald ash borer traps provided by the Oregon Department of Fish and Wildlife and will place them this month, checking traps at roughly 8-week intervals. "I believe they said 1 in 1,000 trees would survive," Sean said, summarizing training remarks about survival rates; the committee discussed prioritizing singular or high-value ash trees for potential injection treatments and noted such injections can be expensive and require repeat dosing. A staff speaker also cited regional treatment costs as an example and emphasized the need to identify and protect key street and park ash specimens.
