Research and Publications
Horizon Scanning For New Invasive Non-Native Species In England. Report To Natural England (Natural England Contract No. Sae03-02-189). Central Science Laboratory, York.
(2009) Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain. Global Change Biology, 20, 3859-3871.
(2014) Audit Of Non-Native Species In England. English Nature, Peterborough.
(2005)