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S

Sheppard L.J., Leith I.D., Kivimaki S.K., Gaiawyn J.. 2014. The form of reactive nitrogen deposition is important for the provision of ecosystem services. Nitrogen Deposition, Critical Loads and Biodiversity.

Sheppard L.J, Leith I.D, Crossley A., van Dijk N., Fowler D., Sutton M.A, Woods C.. 2008. Stress responses of Calluna vulgaris to reduced and oxidised N applied under 'real world conditions'. Environmental Pollution. 154(3):404-413.

Sheppard L.J., Leith I.D.. 2002. Effects of NH3 Fumigation on the Frost Hardiness of Calluna- Does N Deposition Increase Winter Damage by Frost? Phyton. 42:183-190.

Sheppard L.J., Leith I.D., Kivimaki S.K., van Dijk N., Hall J., Bruneau P., Grace J., Rees R.M.. 2008. Does enhanced nitrogen deposition represent a threat to Sphagnum and thus the sustainability of Scottish peatlands? Land management in a changing environment. :291-297.

Sheppard L.J., Crossley A., Leith I.D., Hargreaves K.J., Carfrae J.A., van Dijk N., Cape J.N., Sleep D., Fowler D., Raven J.. 2004. An automated wet deposition system to compare the effects of reduced and oxidised N on ombrotrophic bogs.. Water, Air and Soil Pollution: Focus. 4:197-205.

Sheppard L.J., Leith I.D., Crossley A., van Dijk N., Cape J.N., Fowler D., Sutton M.A.. 2009. Long-Term Cumulative Exposure Exacerbates the Effects of Atmospheric Ammonia on an Ombrotrophic Bog: Implications for Critical Levels. Atmospheric Ammonia. :49-58.

Sheppard L.J., Leith I.D., Leeson S., van Dijk N., Cape J.N., Fowler D., Field C.. 2011. Nitrogen form makes a difference to the responses of a peatland to enhanced reactive nitrogen deposition [abstract]. Book of Abstracts: Joint Society of Wetland Scientists. :289.

Sheppard L.J., Leith I.D., Crossley A.. 2004. Effects of enhanced N deposition on Cladonia portentosa; results from a field manipulation study.. Nitrogen in the Envrionment.

Sheppard L.J., Leith I.D., Mizunuma T., van Dijk N., Cape J.N., Sutton M.A.. 2009. All forms of reactive nitrogen deposition to Natura 2000 sites should not be treated equally: effects of wet versus dry and reduced versus oxidised nitrogen deposition.. Workshop at the Bedford Hotel and Conference Centre, Brussel.

Serrano H.C, Köbel M., Jones M., van Dijk N, Dragosits U, Pinho P., Oliveira M.A, Matos P., Branquinho C, Sutton M. 0. Assessment of plant species performance along an ammonia gradient. CAPERMED.

R

Robroek BJM, Jassey VEJ, Payne RJ, Martí M, Bragazza L, Bleeker A, Buttler A, Caporn SJM, Dise NB, Kattge J et al.. 2017. Taxonomic and functional turnover are decoupled in European peat bogs. Nature communications.

P

Prendergast M., Standen V., Leith I.D., Sheppard L.J.. 2009. Response of enchytraeid worm populations to different forms of nitrogen (ammonia, ammonium, and nitrate) deposition.. Soil Organisms. 81(2):225-236.

Prendergast M., Cole L., Standen V., Rees R., Parker J., Leith I., Sheppard L.J.. 2008. Are enchytraeid worms (Oligochaeta) sensitive indicators of ammonia-N impacts on an ombrotrophic bog? European Journal of Soil Biology. 44(1):101-108.

Pitcairn C.E.R., Fowler D., Leith I.D., Sheppard L.J., Sutton M.A., Kennedy V., Okello E.. 2003. Bioindicators of enhanced nitrogen deposition. Environmental Pollution. 126(3):353-361.

Phuyal M., Artz R.R.E., Sheppard L., Leith I.D., Johnson D.. 2008. Long-term nitrogen deposition increases phosphorus limitation of bryophytes in an ombrotrophic bog. Plant Ecology. 196:111-121.

Phuyal M., Artz R.RE, Sheppard L., Leith I.D, Johnson D.. 2008. Long-term nitrogen deposition increases phosphorus limitation of bryophytes in an ombrotrophic bog. Plant Ecology. 196(1):111-121.

Phoenix G.K., Emmett B.A., Britton A.J., Caporn S.J.M., Dise N.B., Helliwell R., Jones L., Leake J.R., Leith I.D., Sheppard L.J. et al.. 2012. Impacts of atmospheric nitrogen deposition: responses of multiple plant and soil parameters across contrasting ecosystems in long-term field experiments. Global Change Biology. 18(4):1197-1215.

Payne R.J., Jassey V.E.J., Leith I.D., Sheppard L.J., Dise N.B., Gilbert D.. 2013. Ammonia exposure promotes algal biomass in an ombrotrophic peatland. Soil Biology & Biochemistry. 57:936-938.

N

Nordin A., Sheppard L.J., Strengbom J., Bobbink R., Gunnarsson U., Hicks W.K., Sutton M.A.. 2011. New science on the effects of nitrogen deposition and concentrations on Natura 2000 sites (theme 3): background documement. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :115-129.

Nordin A., Sheppard L.J., Strengbom J., Bobbink R., Gunnarsson U., Hicks K., Sutton M.A.. 2009. New science on the effects of N deposition and concentrations on Natura 2000 sites, including bio-indicators, effects of N-form (e.g., NHx vs NOy), and the relationships between critical thresholds and biodiversity loss.. Workshop at the Bedford Hotel and Conference Centre, Brussels.

M

Munzi S, Sheppard L, Leith I, Cruz C, Branquinho C, Bini L, Gagliardi A, Cai G. 2017. The cost of surviving nitrogen excess: energy and protein demand in the lichen Cladonia portentosa as revealed by proteomic analysis.. Planta. 245:819-833.

Munzi S., Cruz C., Branquinho C., Pinho P., Leith I.D, Sheppard L.J. 2014. Can ammonia tolerance amongst lichen functional groups be explained by physiological responses? Environmental Pollution. 187:206-209.

Mizunuma T., Leith I.D., Gray A., Sheppard L.J.. 2009. Evaluation of N indicators on ombrotrophic acid bogs: Observations from an N manipulation study. Workshop at the Bedford Hotel and Conference Centre, Brussels.

Mizunuma T., Leith I.D., Gray A., Sutton M.A., Sheppard L.J.. 2011. Evaluation of nitrogen indicators on ombrotrophic acid bogs: observations from a nitrogen manipulation study. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :190-200.

Millett J., Leith I.D., Sheppard L.J., Newton J.. 2012. Response of Sphagnum papillosum and Drosera rotundifolia to Reduced and Oxidized Wet Nitrogen Deposition. Folia Geobotanica. 47(2)

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