Related by context. Frequent words. (Click for all words.) 74 pine beetle 72 mountain pine beetle 70 bark beetle 68 pine beetles 62 bark beetles 60 lodgepole pine 56 forest fires 55 aspen 54 prolonged drought 54 wildland fires 53 wildfires 52 forest thinning 52 beetle 51 invasive weeds 51 invasive weed 51 insect infestations 51 insect infestation 51 wildfire 50 Emerald Ash Borer 50 wildland fire 50 timber harvest 50 snowpacks 50 ash borer 49 forests 49 nose syndrome 49 fungal disease 49 emerald ash borer 49 infestation 49 invasives 49 Forest Service 49 noxious weed 49 cheatgrass 48 aspens 48 rangeland 48 boreal forest 48 rangelands 48 noxious weeds 48 invasive species 47 climate change 47 tamarisk 47 Dutch elm disease 47 defoliation 47 salvage logging 47 elk herds 47 hemlocks 46 gypsy moths 46 infestations 46 fungus 46 Lake Tahoe Basin 46 forestry 46 gypsy moth 46 ash trees 45 bushfires 45 pine forests 45 boreal 45 forest ecosystems 45 tinder dry 45 forest 45 drought 45 softwood lumber dispute 45 grizzly bears 45 prescribed burns 45 elk herd 45 Drought 44 Snowpack 44 warmer winters 44 Invasive species 44 deer herds 44 foresters 44 sagebrush 44 conifer 44 roadless 44 deer herd 44 spruce trees 43 snowpack 43 sage grouse 43 woodlands 43 overland flooding 43 Wilderness Society 43 forestlands 43 Forests 43 H#N# flu pandemic 43 roadless rule 43 global warming 43 HIV AIDS pandemic 43 acid rain 43 pine trees 43 meth addiction 43 prairie 42 deforestation 42 Douglas fir 42 mosquito borne virus 42 roadless areas 42 Wildfires 42 Klamath Basin 42 AIDS epidemic 42 soil erosion 42 Rocky Mountain Front 42 timber harvesting 42 desertification 42 ponderosa pine