AUTHOR=Looney Christopher E. , Shaw John D. TITLE=Climate and nitrogen deposition constrain the maximum size-density boundary for mature and old-growth stands JOURNAL=Frontiers in Forests and Global Change VOLUME=Volume 8 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2025.1566459 DOI=10.3389/ffgc.2025.1566459 ISSN=2624-893X