Biblio

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Sheppard L.J, Leith I.D, Leeson S.R, van Dijk N., Field C., Levy P..  2013.  Fate of N in a peatland, Whim bog: immobilisation in the vegetation and peat, leakage into pore water and losses as N2O depend on the form of N. Biogeosciences. 10(1):149-160.
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., 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., 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., 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., 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., 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.
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.
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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.

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