International Association for Vegetation Science 61st Annual Symposium Natural Ecosystems as Benchmarks for Vegetation Science Bozeman, Montana, USA 22-27 July, 2018 ABSTRACTS Edited by Peter R. Minchin & David W. Roberts International Association for Vegetation Science 61st Annual Symposium “Natural Ecosystems as Benchmarks for Vegetation Science” Bozeman, Montana, USA, 22-27 July, 2018. Local Organizing Committee David W. Roberts, Montana State University (co-chair),
[email protected]. Peter R. Minchin, Southern Illinois University Edwardsville (co- chair),
[email protected]. Kent Houston, US Forest Service (retired) Stephen V. Cooper IV, Montana Natural Heritage (retired) Scientific Committee Alessandra Fidelis, Brazil Meelis Pärtel, Estonia Alessandro Chiarucci Milan Chytrý, Czech Republic Dave Roberts, USA Miquel de Cáceres, Spain Florian Jansen, Germany Monika Janišová, Slovak Republic James Moore, USA Pavel Krestov, Russia Jari Oksanen, Finland Peter Minchin, USA Javier Loidi, Spain Riccardo Guarino, Italy John Du Vall Hay, Brazil Scott Collins, USA Laco Mucina, Australia Scott Franklin, USA Loretta Battaglia, USA Susan Wiser, New Zealand Mark Fulton, USA Valério Pillar, Brazil Martin Diekmann, Germany © 2018, International Association for Vegetation Science (IAVS) Contents Plenary abstracts .......................................................................1 IAVS Honorary Member Award abstract ................................5 Oral and poster presentation abstracts ......................................6 Index by presenting author ...................................................272 IAVS 2018 Symposium, Bozeman - ABSTRACTS Opening Plenary, Monday 23 July, 9:00 AM, Ballroom A Natural ecosystems as an evolving focus of North American vegetation science Robert K. Peet Biology Department, University of North Carolina at Chapel Hill, USA Vegetation Science in North America has from the beginning had a strong focus on understanding natural ecosystems. In the early days ecologists like H.C.