Numbers of publications in invasion biology, using the same search term as Vaz et al. (2017) in the Web of Science. The number of publications in 2017 is relatively low because the search was performed within this year, on 28 August 2017.

  Part of: Enders M, Havemann F, Jeschke JM (2019) A citation-based map of concepts in invasion biology. NeoBiota 47: 23-42.