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ACTIONS The following APHIS areas balsam woolly adelgid bark beetles chestnut blight continue damage Develop and implement Douglas-fir ecological conditions ecosystem management European gypsy moth exotic forest pests exotic pests following actions forest ecosystems Forest Health Monitoring forest health problems forest health protection forest management Forest Pest Management forest plan forest protection technologies Forestry Health Monitoring Program impacts increased infested integrated pest management introduced forest pests introduced pests land management planning lodgepole pine major pests management planning process mountain pine beetle native pests North America past harvesting practices pest epidemics pest risk assessment pesticides pests and wildfire pheromones pine blister rust PINE TYPE ponderosa pine protect forest health quarantine RATIONALE resource management objectives root disease silvicultural slash pines southern pine beetle species strategic goals successful fire control susceptible to drought trees true firs urban-wildland interface USDA Forest Service western spruce budworm western white pine white pine blister wildfire problems