Number of new citizen science projects per year on alien species in Europe according to responses to the survey.

  Part of: Price-Jones V, Brown PMJ, Adriaens T, Tricarico E, Farrow RA, Cardoso AC, Gervasini E, Groom Q, Reyserhove L, Schade S, Tsinaraki C, Marchante E (2022) Eyes on the aliens: citizen science contributes to research, policy and management of biological invasions in Europe. NeoBiota 78: 1-24.