Genetic Reconstructions of Invasion History

Geographical pattern of genetic diversity in Capsella bursa‐pastoris (Brassicaceae)—A global perspective

“…Colonization and range expansion are basic features of the evolutionary history of all species and may occur over geological timescales to more recent man‐caused dispersal, from intercontinental migration to regional and local range extensions. The use of a diverse array of neutral molecular markers, for example, isozymes, RAPDs, AFLPs, microsatellites, and finally DNA sequences and next‐generation sequencing, has greatly enhanced the ability to reconstruct the evolutionary history of colonization processes and to assess the magnitude of genetic bottlenecks and founder events (e.g., Barrett, 2015; Cristescu, 2015). There is now evidence from neutral loci that many populations of introduced species have less genetic variation than populations in the native range (Barrett, 2015), although the genetic diversity of introduced, non‐native populations seems to be only moderately reduced in comparison with native populations (Bossdorf et al., 2005; Dlugosch & Parker, 2008).…”

Insights on the origin of invasive copepods colonizing Basque estuaries; a DNA barcoding approach

“…Holland 2000;Chandler et al, 2008). However, the degree of reduction depends on several factors such as the number (and scale) of introduction events and the diversity of the invasion origin (Cristescu 2015). However, the lack of P. marinus MT-CO1 records in the public databases prevents any discussion.…”

Genetic analyses reveal complex introduction histories for the invasive tree Acacia dealbata Link around the world

“…Knowledge of the routes of introduction and propagule pressure is important for understanding a species’ introduction history, spread, evolutionary responses during invasion, to explore management options (e.g. identification of suitable biological control agents) and to develop biosecurity strategies (Cristescu, 2015; Le Roux & Wieczorek, 2009; Pyšek et al., 2013). In a few cases, precise information on the invasion history of a species can be found in historical records, but for many species such records are lacking, incomplete or misleading (e.g.…”