Research and Publications
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Hill, M.O., Beckmann, B., Bishop, J.D.D., Fletcher, M.R., Lear, D.B., Marchant, J.H., Maskell, L.C., Noble, D.G., Rehfisch, M.M., Roy, H.E., Roy, S. & Sewell, J. (2009)
Developing An Indicator Of The Abundance, Extent And Impact Of Invasive Non-Native Species. Final Report. Defra.