Mean (red) and maximum (black) impact scores broken down by study design and geographical area for a RNP agricultural impact b RNP competition impact c MP agricultural impact and d MP infrastructure impact. Highest possible impact score = 5.

 
 
  Part of: White RL, Strubbe D, Dallimer M, Davies ZG, Davis AJ.S, Edelaar P, Groombridge J, Jackson HA, Menchetti M, Mori E, Nikolov BP, Pârâu LG, Pečnikar Živa F, Pett TJ, Reino L, Tollington S, Turbé A, Shwartz A (2019) Assessing the ecological and societal impacts of alien parrots in Europe using a transparent and inclusive evidence-mapping scheme. NeoBiota 48: 45-69. https://doi.org/10.3897/neobiota.48.34222