Abstract
Global knowledge on the distribution of alien animal species in regions around the world has dramatically improved in the last decade (e.g., Kraus 2009; Capinha et al. 2015; Dyer et al. 2017), and recently much information has also become available for plants (van Kleunen et al. 2015; Pysvek et al. 2017). This is an important development because many of the current theories of the distribution, causes, and consequences of biological invasions are based on macroecological analyses of regional floras and faunas (e.g., Jeschke and Strayer 2005; Cadotte et al. 2006; Lambdon et al. 2008; Blackburn et al. 2009; Capinha et al. 2015).
However, there are still major gaps in data availability and the quality of information varies among regions (van Kleunen et al. 2015). The new series launched in this issue of Biological Invasions thus aims to collect papers that provide information on complete alien floras or faunas of large regions.