insect devastation – clingman’s dome, smoky mountain national park, tennessee, usa

acid adelges adelgid air america aphid appalachian beetles bio canadensis carolina climate clingman coniferous control dead destroyed destruction devastation die dome eastern evergreen fir forest great growth harmful hemlock infestation insects invasive killing ledge micro mountains national needles north old park plight pollution precambrian predatory quality rain ridges rock smokies smoky species spring spruce summit tennessee tourism trail travel tsuga tsugae usa woods woolly