Biblio

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2012

Carter M.S, Larsen K.S, Emmett B., Estiarte M., Field C., Leith I.D, Lund M., Meijide A., Mills R.TE, Niinemets U et al.. 2012. Synthesizing greenhouse gas fluxes across nine European peatlands and shrublands - responses to climatic and environmental changes. Biogeosciences. 9(10):3739-3755.

2011

Sheppard L.J., Leith I.D., Mizunuma T., van Dijk N., Cape J.N., Sutton M.A.. 2011. 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. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :181-190.

Limpens J., Granath G., Gunnarsson U., Aerts R., Bayley S., Bragazza L., Bubier J., Buttler A., van den Berg L.JL, Francez A.J et al.. 2011. Climatic modifiers of the response to nitrogen deposition in peat-forming Sphagnum mosses: a meta-analysis. New Phytologist. 191(2):496-507.

Sheppard L.J, Leith I.D, Mizunuma T., Cape J.N., Crossley A., Leeson S., Sutton M.A., Fowler D., van Dijk N.. 2011. Dry deposition of ammonia gas drives species change faster than wet deposition of ammonium ions: evidence from a long-term field manipulation. Global Change Biology. 17(12):3589-3607.

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.

Currey P.M., Johnson D., Dawson L.A., van der Wal R., Thornton B., Sheppard L.J., Leith I.D., Artz R.R.E.. 2011. Five years of simulated atmospheric nitrogen deposition have only subtle effects on the fate of newly synthesized carbon in Calluna vulgaris and Eriophorum vaginatum.. Soil Biology & Biochemistry. 43(3):495-502.

Strengbom J., Anderson H.V., Aazem K., Adema E.B., Alard D., Bobbink R., Bringmark L., Buchwald E., Cape J.N., Cruz C. et al.. 2011. New science on the effects of nitrogen deposition and concentrations on Natura 2000 sites (theme 3): working group report. Nitrogen deposition and Natura 2000: Science and practice in determining environmental impacts. :129-136.

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.

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.

Manninen S., Woods C., Leith I.D, Sheppard L.J. 2011. Physiological and morphological effects of long-term ammonium or nitrate deposition on the green and red (shade and open grown) Sphagnum capillifolium. Environmental and Experimental Botany. 72(2):140-148.

Levy P.E, Gray A., Leeson S.R, Gaiawyn J., Kelly M.PC, Cooper M.DA, Dinsmore K.J, Jones S.K, Sheppard L.J. 2011. Quantification of uncertainty in trace gas fluxes measured by the static chamber method. European Journal of Soil Science. 62(6):811-821.

2010

Johnson D., Moore L., Green S., Leith I.D, Sheppard L.J. 2010. Direct and indirect effects of ammonia, ammonium and nitrate on phosphatase activity and carbon fluxes from decomposing litter in peatland. Environmental Pollution. 158(10):3157-3163.

Hogan E.J, Minnullina G., Sheppard L.J, Leith I.D, Crittenden P.D. 2010. Response of phosphomonoesterase activity in the lichen Cladonia portentosa to nitrogen and phosphorus enrichment in a field manipulation experiment. New Phytologist. 186(4):926-933.

Currey P.M., Johnson D., Sheppard L.J., Leith I.D., Toberman H., van der Wal R., Dawson L.A., Artz R.R.E.. 2010. Turnover of labile and recalcitrant soil carbon differ in response to nitrate and ammonium deposition in an ombrotrophic peatland.. Global Change Biology. 16:2307-2321.

2009

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.

Cape J.N., van der Eerden L., Fangmeier A., Ayres J., Bareham S., Bobbink R., Branquinho C., Crittenden P., Cruz C., Dias T. et al.. 2009. Critical Levels for Ammonia. Atmospheric Ammonia. :375-382.

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.

Cape J.N, van der Eerden L.J, Sheppard L.J, Leith I.D, Sutton M.A. 2009. Evidence for changing the critical level for ammonia. Environmental Pollution. 157(3):1033-1037.

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.

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.

Sutton M.A., Sheppard L.J., Fowler D.. 2009. Potential for the Further Development and Application of Critical Levels to Assess the Environmental Impacts of Ammonia. Atmospheric Ammonia. :41-48.

Cape J.N., van der Eerden L.J., Sheppard L.J., Leith I.D., Sutton M.A.. 2009. Reassessment of Critical Levels for Atmospheric Ammonia. Atmospheric Ammonia. :15-40.

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.

Leith I.D., van Dijk N., Pitcairn C.E.R., Sheppard L.J., Sutton M.A.. 2009. Standardised Grasses as Biomonitors of Ammonia Pollution Around Agricultural Point Sources. Atmospheric Ammonia. :269-279.

Emmet B., Ashmore M., Belyazid S., Britton A., Broadmeadow M., Caporn S., Davies O., Field C., Dise N., Helliwell R. et al.. 2009. Terrestrial Umbrella - Effects of eutrophication and acidification on terrestrial ecosystems. Annual Report 2009.

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