invasive vines in summer

action and biology botany change citizens climate climb climbing creep cut cutters cutting dead deforestation deforested dies down ecology edge eventually exercise fast forest forests gloves grape greenery growing growth herbaceous insidious invasive invasives kill kills laupers local lose new other parasitic park plant plants problem save science seasonal sky snow species spring strangle strangler stress summer sunlight sunshine survival trailing trees trim trunks vine vines volunteer volunteering volunteerism volunteers weak worsening york