Research and Publications
The contribution of volunteer recorders to our understanding of biological invasions. Biological Journal of the Linnean Society, 115, 678–689.
(2015) 
Developing and enhancing biodiversity monitoring programmes: a collaborative assessment of priorities. Journal of Applied Ecology, 52, 686–695.
(2015) 
The State Of The Uk’s Butterflies 2015. Butterfly Conservation and the Centre for Ecology & Hydrology, Wareham, Dorset.
(2015) GB Non-native Species Information Portal: documenting the arrival of non-native species in Britain. Biological Invasions, 16, 2495-2505.
(2014) Horizon scanning for invasive alien species with the potential to threaten biodiversity in Great Britain. Global Change Biology, 20, 3859-3871.
(2014) State Of Nature Report. The State of Nature partnership.
(2013) Developing and launching a wider countryside butterfly survey across the United Kingdom. Journal of Insect Conservation, 15, 279-290.
(2011)