Adjunct Assistant Professor of Environmental Studies Helen Poulos recently co-authored three new papers: “Wildfire and topography drive woody plant diversity in a Sky Island mountain range in the Southwest USA,” published in Ecology and Evolution on Oct. 5. “Choked out: Battling invasive giant cane along the Rio Grande/ Bravo Borderlands,” published in River Research and Applications on Sept. 20. And “Mixed-severity wildfire as a driver of vegetation change in an Arizona Madrean Sky Island System, USA,” written alongside Michael Freiburger ’21 and published in Fire on Oct. 20. Poulos’s research focuses on plant distribution patterns as a result of the…