The 'pritchard trap': a novel quantitative survey method for crayfish.

Pritchard, E. G., Chadwick, D. D. A., Patmore, I. R., Chadwick, M. A., Bradley, P., Sayer, C. D., Axmacher, J. C., (2021). Ecological Solutions and Evidence 2(e12070) British Ecological Society, London, UK. English language

A novel 'triple drawdown' method highlights deficiencies in invasive alien crayfish survey and control techniques.

Chadwick, D. D. A., Pritchard, E. G., Bradley, P., Sayer, C. D., Chadwick, M. A., Eagle, L. J. B., Axmacher, J. C., (2020). Journal of Applied Ecology 58(2), 316-326. Wiley, Oxford, UK. English language

The impact of signal crayfish (Pacifastacus leniusculus) on the recruitment of salmonid fish in a headwater stream in Yorkshire, England.

Peay, S., Guthrie, N., Spees, J., Nilsson, E., Bradley, P., (2009). Knowledge and Management of Aquatic Ecosystems(No.394/395), 12. EDP Sciences S.A., Les Ulis Cedex A, France. English language

Himalayan balsam - the human touch

Rotherham, I. D., (2001). Exotic Invasive Species - should we be concerned?, 41-50. IEEM, Winchester, UK. English language