Bobbink R, Braun S, Nordin A, Power S, Schutz K, Strengbom J, Weijters M, Tomassen H. Review and revision of empirical critical loads and dose-response relationships. (Bobbink R, Hettelingh JP). Noordwijkerhout: Coordination Centre for Effects; 2011.

Hall RJ, Emmett B, Garbutt A, Jones L, Rowe E, Sheppard L, Vanguelova E, Pitman R, Britton A, Hester A, et al. UK Status Report July 2011: Update to empirical critical loads of nitrogen.; 2011 p. 55pp.

Gove B, Power S, Buckley GP, Ghazoul J. Effects of herbicide spray drift and fertiliser over-spread on selected species of woodland ground flora: Comparison between short-term and long-term impact assessments and field surveys. Journal of Applied Ecology. 2007  ;44:374-384.

Bignal K, Ashmore M, Power S. The Ecological Effects of Diffuse Air Pollution from Road Transport. Peterborough: English Nature; 2004.

Power S, Ashmore MR, Cousins DA. Impacts and fate of experimentally enhanced nitrogen deposition on a British lowland heath. . Environmental Pollution. 1998  ;102:27-34.

Uren SC, Ainsworth N, Power S, Cousins DA, Huxendurp LM, Ashmore MR. Long term effects of ammonium sulphate on Calluna vulgaris. Journal of Applied Ecology . 1997  ;34:208-216.

Power S, Ashmore MR, Cousins DA, Ainsworth N. Long term effects of enhanced nitrogen deposition on a lowland dry heath in southern Britain. . Water, Air and Soil Pollution. 1995  ;85:1701-1706.

Power S, Ashmore MR, Ling KA. Recent trends in beech tree health in southern Britain and the influence of soil type. Water, Air and Soil Pollution. 1995  ;85:1293-1298.

Ling KA, Power S, Ashmore MR. A survey of the health of Fagus sylvatica in southern Britain. . Journal of Applied Ecology . 1993  ;30:295-306.