Biblio

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Journal Article
Limpens J., Granath G., Aerts R., Heijmans M.MPD, Sheppard L.J, Bragazza L., Williams B.L, Rydin H., Bubier J., Moore T. et al..  2012.  Glasshouse vs field experiments: do they yield ecologically similar results for assessing N impacts on peat mosses? New Phytologist. 195(2):404-418.
Kiheri H, Velmala S, Pennanen T, Timonen S, Sietiö O-M, Fritze H, Heinonsalo J, van Dijk N, Dise N, Larmola T.  2020.  Fungal Colonization Patterns and Enzymatic Activities of Peatland Ericaceous Plants Following Long-Term Nutrient Addition. Soil Biology and Biochemistry. 147(107833)
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.
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.
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.
Vogt E., Braban C.F., Dragosits U., Theobald M.R., Billett M.F., Dore A.J., Tang Y.S., van Dijk N., Rees R.M., McDonald C. et al..  2013.  Estimation of nitrogen budgets for contrasting catchments at the landscape scale. Biogeosciences. 10(1):119-133.
Cape J.N., Jones M.R., Leith I.D., Sheppard L.J., van Dijk N., Sutton M.A., Fowler D..  2008.  Estimate of annual NH3 dry deposition to a fumigated ombrotrophic bog using concentration-dependent deposition velocities.. Atmospheric Environment. 42(27):6637-6646.
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.
van den Elzen E, van den Berg LJL, van der Weijden B, Fritz C, Sheppard LJ, Lamers LPM.  2018.  Effects of airborne ammonium and nitrate pollution strongly differ in peat bogs, but symbiotic nitrogen fixation remains unaffected. Science of the Total Environment. 610–611:732–740.
Carfrae J.A., Sheppard L.J., Raven J.A., Stein W., Leith I.D., Theobald M., Crossley A..  2004.  Early effects of atmospheric ammonia (NH3) deposition on Calluna vulgaris (L.) growing on an ombrotrophic peat bog.. Water Air and Soil Pollution. 4:229-239.
Carfrae J.A, Sheppard L.J, Raven J.A, Leith I.D, Stein W., Crossley A., Theobald M..  2005.  Early effects of atmospheric ammonia deposition on Calluna vulgaris (L.) hull growing on an ombrotrophic peat bog. Water, Air and Soil Pollution: Focus. 4(6):229-239.
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.
Evans CD, Goodale CL, Caporn SJM, Dise NB, Emmett BA, Fernandez IJ, Field CD, Findlay SEG, Lovett GM, Meesenburg H et al..  2008.  Does elevated nitrogen deposition or ecosystem recovery from acidification drive increased dissolved organic carbon loss from upland soil? A review of evidence from field nitrogen addition experiments Biogeochemistry. 91(1):13-35.
García M.A.Solera, Timmis R.J., van Dijk N., Whyatt J.D., Leith I.D., Leeson S.R., Braban C.F., Sheppard L.J., Sutton M.A., Tang Y.S..  2017.  Directional passive ambient air monitoring of ammonia for fugitive source attribution; a field trial with wind tunnel characteristics.. Atmospheric Environment. 167:576-585.
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.
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.
Skinner R., Ineson P., Hicks W.K., Jones H.E., Sleep D., Leith I.D., Sheppard L.J..  2004.  Correlating the spatial distribution of atmospheric ammonia with delta N-15 values at an ammonia release site. Water, Air and Soil Pollution: Focus. 4:219-228.
Skinner R., Ineson P., Hicks W.K, Jones H.E, Sleep D., Leith I.D, Sheppard L.J.  2005.  Correlating the spatial distribution of atmospheric ammonia with δ15n values at an ammonia release site. Water, Air and Soil Pollution: Focus. 4(6):219-228.
Jones M.R, Leith I.D, Raven J.A, Fowler D., Sutton M.A, Nemitz E., Cape J.N, Sheppard L.J, Smith R.I.  2007.  Concentration-dependent NH3 deposition processes for moorland plant species with and without stomata. Atmospheric Environment. 41(39):8980-8994.
Jones M.R, Leith I.D, Fowler D., Raven J.A, Sutton M.A, Nemitz E., Cape J.N, Sheppard L.J, Smith R.I, Theobald M.R.  2007.  Concentration-dependent NH3 deposition processes for mixed moorland semi-natural vegetation. Atmospheric Environment. 41(10):2049-2061.
Cape J.N., Jones M., Leith I.D., Sheppard L.J., van Dijk N., Sutton M.A., Fowler D..  2008.  Concentration-dependent deposition velocities for ammonia – from lab to field. Geophysical Research Abstracts. 10
Leith I.D, Pitcairn C.ER, Sheppard L.J, Hill P.W, Cape J.N, Fowler D., Tang S., Smith R.I, Parrington J.A.  2002.  A comparison of impacts of N deposition applied as NH3 or as NH4Cl on ombrotrophic mire vegetation. Special Edition Responses of Plant Metabolism to Air Pollution and Global Change. 42(3):83-88.
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.
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.
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.

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