Amur maple (Acer ginnala): an emerging invasive plant in North America

Michael J. Schuster, Peter B. Reich

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Acer ginnala Maxim. (Amur maple) is a growing threat to woodland systems in North America. Despite this, Amur maple has been largely ignored by ecologists, and scientific understanding of the species is mostly limited to anecdotal evidence from land managers. We evaluated the cover and richness of native and exotic understory plant communities under Amur maple canopies, native tree canopies, and nearby open areas near St. Paul, Minnesota, USA. Overall, Amur maple created dense canopies that only allowed 2% canopy light penetration, strongly reducing cover of all plants except Amur maple. With this critical first step in understanding the impacts of Amur maple complete, we suggest key research priorities related to the distribution of Amur maple, its mechanisms and impacts of invasion, and how best to control its spread in order to encourage future research into Amur maple and mitigate the species’ potential for ecological and economic harm.

Original languageEnglish (US)
Pages (from-to)2997-3007
Number of pages11
JournalBiological Invasions
Volume20
Issue number10
DOIs
StatePublished - Oct 1 2018

Keywords

  • Acer ginnala
  • Acer tartaricum
  • Competition
  • Exotic
  • Forest
  • Grassland
  • Invasion
  • Light
  • Management
  • Native
  • North America
  • Understory
  • Woody

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