Whim Bog Bibliography

Larmola T., Kiheri H., Bubier J.L., van Dijk N., Dise, N. A., Erik, H., Moore, T.R., Pennanen, T, & Timonen, S. (2018).  Do foliar δ 15N patterns indicate shifts in mycorrhizal abundance and function under nutrient load? Ecology of Soil Microorganisms [conference paper, online].

Larmola T., Kiheri, H., Bubier, J.L., van Dijk, N., Dise, N., Hobbie, E.A., Moore, T.R., Pennanen, T., & Timonen, S. (2018).  Do foliar δ15N patterns indicate shifts in the mycorrhizal abundance and function under nutrient load? Geophysical Research Abstracts 20 [conference paper, online].

Kiheri, H., Velmala, S., Pennanen, T., Timonen, S., Sietiö, O-M., Heinonsalo, J., van Dijk, N., Dise, N., Fritze, H., & Larmola, T. (2018).  Effects of 15 Years of Nutrient Addition on Ericoid Mycorrhizal Colonization at Whim Bog. Ecology of Soil Microorganisms [conference paper, online]. 

Kiheri, H., van Dijk, N. et al  (2018).  Effects of 15 Years of Nutrient Addition on Ericoid Mycorrhizal Colonization at Whim Bog. Tiivistelmät, esitelmät ja posterit. Suoseura. Finnish Peatland Society [conference paper, online]. 

van den Elzen, E., van den Berg, L.J.L., van der Weijden, B., Fritz, C., Sheppard, L.J., & Lamers, L.P.M. (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. 

Chiwa, M., Sheppard, L., Leith, I., Leeson, S., Tang, S., & Cape, N. (2018).  Long-term interactive effects of N addition with P and K availability on N status of Sphagnum. Environmental Pollution 237:468-472. 

Levy, P., van Dijk, N., Gray, A., Sutton, M., Jones, M., Leeson, S., Dise, N., Leith, I., & Sheppard, L. (2018).  Response of a peatbog vegetation community to long-term experimental addition to nitrogen. [unpublished].

Kiheri, H. (2017).  Atmospheric nitrogen deposition may endanger carbon storage in peatlands- how do the fungi respond?  [Available online at: https://ssalterblog.wordpress.com/2017/01/13/atmospheric-nitrogen-deposition-may-endanger-carbon-storage-in-peatlands-how-do-the-fungi-respond/].

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. 

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. 

Kiheri, H., Laiho, R., Fritze, H., Pennanen, T., Dise, N., van Dijk, N.J., Timmis, R., & Larmola, T. (2017).  Effects of 15 Years of Nitrogen Fertilization on Ericoid Mycorrhizal Colonization at Whim Bog. 9th International Conference on Mycorrhiza [conference paper, online].

van Dijk, N., Levy, P., Sheppard, L., Leith, I., Jones, M., Leeson, S., Dise, N., & Sutton, M. (2017).  The effects of adding different forms of nitrogen for 14 years on the vegetation composition at Whim Bog. EGU 2017 [conference paper, online]. 

Larmola, T., Kiheri, H., Bubier, J.L., van Dijk, N., Dise, N.B., Fritze, H., Hobbie, E.A, Juutinen, S., Laiho, R., Moore, T.R. et al. (2017).  Impact of simulated atmospheric nitrogen deposition on nutrient cycling and carbon sink via mycorrhizal fungi in two nutrient-poor peatlands. EGU General Assembly Abstracts [conference paper, online].

Larmola, T., Kiheri, H., Bubier, J.L., van Dijk, N., Dise, N., Fritze, H., Hobbie, E.A., Juutinen, S., Laiho, R., Moore, T.R. et al. (2017).  Impact of simulated atmospheric nitrogen deposition on nutrient cycling and carbon sink via mycorrhizal fungi in two nutrient-poor peatlands. 7th International Symposium on Physiological Processes in Roots of Woody Plants.

Larmola T., Kiheri H., Bubier, J.L., van Dijk, N., Dise, N., Hobbie, E.A., Juutinen, S., Laiho, R., Moore, T.R. & Pennanen, T. (2017).  Impact of simulated atmospheric nitrogen deposition on nutrient cycling and carbon sink via mycorrhizal fungi in two nutrient-poor peatlands. EGU 2017 [conference paper, online].

Stephens, A., Leeson, S., Jones, M., Simmons, I., van Dijk, N., Poskitt, J., Keenan, P.O., Pereira, M.G., Gates, L., Hangartner, M. et al (2017).  MetNH3 Whim Bog Intercomparison Off-line ammonia metrology intercomparison. NERC CEH Edinburgh Report, 26pp [unpublished]. 

Leeson, S,R,, Levy, P.E., van Dijk, N., Drewer, J., Robinson, S., Jones, M.R., Kentisbeer, J., Washbourne, I., Sutton, M.A. & Sheppard, L.J. (2017). Nitrous oxide emissions from a peatbog after 13 years of experimental nitrogen deposition. Biogeosciences 14(24):5753-5764.

Larmola, T., Kiheri,, H., Bubier, J.L, van Dijk, N., Dise, N., Fritze, H., Hobbie, E.A., Juutinen, S., Laiho, R., Moore, T.R. et al. (2017).  Plant-mycorrhizal feedbacks of nitrogen deposition to peatland carbon and nutrient cycling. Peatlands and Carbon Cycling, Hyytiälä International Peatland Workshop, September 2017.

Taylor, E.S., Levy, P.E., Gray, A. (2017).  The recovery of Sphagnum capillifolium following exposure to temperatures of simulated moorland fires: a glasshouse experiment. Plant Ecology & Diversity 10(1):77-88.

Robroek, B.J.M., Jassey, V.E.J., Payne, R.J., Martí, M., Bragazza, L., Bleeker, A., Buttler, A., Caporn, S.J.M., Dise, N.B., Kattge, J. et al. (2017). Taxonomic and functional turnover are decoupled in European peat bogs. Nature Communications 8(1161). [Available on-line at: https://www.nature.com/articles/s41467-017-01350-5]

Larmola, T., Kiheri, H., Fritze, H., Laiho, R., Pennanen, T., Hobbie, E.A., Bubier, J.L., van Dijk, N., Dise, N., Moore, T.R. et al. (2017).  Typpilaskeuman vaikutus soiden hiilen sidontaan ja ravinnekiertoon: varpu-sieni vuorovaikutuksen merkitys. IX Maaperätieteiden Päivien Abstraktit [conference paper, online].

Batista, M. (2016). Plants and Nitrogen – a love & hate relationship. [Available online at: https://ssalter.blog/2016/12/07/plants-and-nitrogen-a-love-hate-relationship/]

Chiwa, M., Sheppard, L.J., Leith, I.D., Leeson, S.R., Tang, Y.S. & Cape, J.N. (2016).  Sphagnum can ‘filter’ N deposition, but effects on the plant and pore water depend on the N form. Science of the Total Environment 559:113–120. [Available online at: https://www.sciencedirect.com/science/article/pii/S0048969716305563?via%3Dihub].

Chiwa M, Sheppard LJ, Leith ID, Leeson SR, Y. Tang S, J. Cape N.  2016.  Sphagnum can ‘filter’ N deposition, but effects on the plant and pore water depend on the N form. Science of the Total Environment. 559:113-120.

Sutton MA, Howard CM, Nemitz E, Arneth A, Simpson D, Mills G, de Vries W, Winiwarter W, Amann M, Alonso R et al..  2015.  ECLAIRE: Effects of Climate Change on Air Pollution Impacts and Response Strategies for European Ecosystems. Project final report.

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. 

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., Mizunuma T., Leeson S., Kivimaki S., Cape J.N, van Dijk N., Leaver D., Sutton M.A., Fowler D. et al..  2014.  Inertia in an ombrotrophic bog ecosystem in response to 9 years' realistic perturbation by wet deposition of nitrogen, separated by form. Global Change Biology. 20(2):566-580. 

Jones L., Provins A., Holland M., Mills G., Hayes F., Emmett B., Hall J., Sheppard L., Smith R., Sutton M. et al..  2014.  A review and application of the evidence for nitrogen impacts on ecosystem services. Ecosystem Services. 7:76-88.

Field C.D., Sheppard L.J., Caporn S.J.M., Dise N.B..  2013.  The ability of contrasting ericaceous ecosystems to buffer nitrogen leaching. Mires and Peat. 11:Article5. 

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. 

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. 

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. 

Vogt E., Dragosits U., Braban C.F., Theobald M.R., Dore A.J., van Dijk N., Tang Y.S., McDonald C., Murray S., Rees R.M. et al..  2013.  Heterogeneity of atmospheric ammonia at the landscape scale and consequences for environmental impact assessment. Environmental Pollution. 179:120-131. 

Kivimaeki SK, Sheppard LJ, Leith ID, Grace J.  2013.  Long-term enhanced nitrogen deposition increases ecosystem respiration and carbon loss from a Sphagnum bog in the Scottish Borders. Environmental and Experimental Botany. 90:53-61. 

Gray A, Levy PE, Cooper MDA, Jones T, Gaiawyn J, Leeson SR, Ward SE, Dinsmore KJ, Drewer J, Sheppard LJ et al..  2013.  Methane indicator values for peatlands: a comparison of species and functional groups. Global Change Biology. 19(4):1141-1150. 

Sheppard L.J., Leith I.D., Leeson S., Mizunuma T., de Bakker R., Elustondo D., Garcia-Gomez H..  2013.  PK additions modify the effects of N dose and form on species composition, species litter chemistry and peat chemistry in a Scottish peatland. Biogeochemistry. 116(1-3):39-53.

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. 

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. 

Levy PE, Burden A, Cooper MDA, Dinsmore KJ, Drewer J, Evans C, Fowler D, Gaiawyn J, Gray A, Jones SK et al..  2012.  Methane emissions from soils: synthesis and analysis of a large UK data set. Global Change Biology. 18(5):1657-1669. 

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) 

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.

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. 

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. 

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. 

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.

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.

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.

Sheppard L.J., Leith I.D., Field C., van Dijk N., Rung M., Skiba U..  2008.  2008 Effects of different nitrogen forms, ammonia gas and wet deposited ammonium and nitrate, on methane and nitrous oxide emissions from an ombrotrophic bog, whim moss, in the Scottish Borders.. :628-631. 

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. 

Kivimaki S.K., Bruneau P., Grace J., Leith I.D., Rees B., Sheppard L.J..  2008.  Carbon and nitrogen cycling in Sphagnum capillifolium in response to nitrogen deposition and form . :592-594. 

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 

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.

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. 

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. 

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. 

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. 

Dragosits U., Dore A.J, Sheppard L.J., Vieno M., Tang Y.S., Theobald M., Sutton M..  2008.  Sources, dispersion and fate of atmospheric ammonia. Nitrogen in the Environment - Sources, Problems, and Management. :333-393. 

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. 

Emmett B., Cooper J.R., Ashmore M., Belyazid S., Britton A., Broadmeadow M., Caporn S., Carroll J., Davies O., Dise N. et al..  2008.  Terrestrial Umbrella - Effects of eutrophication and acidification on terrestrial ecosystems.

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. 

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. 

Carfrae J.A., Sheppard L.J., Raven J.A., Leith I.D., Crossley A..  2007.  Potassium and phosphorus additions modify the response of Sphagnum capillifolium growing on a Scottish ombrotrophic bog to enhanced nitrogen deposition.. Applied Geochemistry. 22(6):1111-1121. 

Emmett B., Ashmore M., Britton A., Broadmeadow M., Bullock J., Cape N., Caporn S.M.J., Carroll J.A., Cresser M.S., Crossley A. et al..  2007.  Terrestrial Umbrella– Effects of Eutrophication and Acidification on Terrestrial Ecosystems.. Terrestrial Umbrella Final Report.

Skinner R.A, Ineson P., Jones H., Sleep D., Leith I.D, Sheppard L.J.  2006.  Heathland vegetation as a bio-monitor for nitrogen deposition and source attribution using delta N-15 values. Atmospheric Environment. 40(3):498-507. 

Emmett B.A., Williams B.L., Ashmore M., Britton A., Broadmeadow M., Bullock J., Cape J.N., Caporn S.J.M., Carroll J.A., Cresser M.S. et al..  2006.  Terrestrial Umberella Annual Report.

Gidman E, Goodacre R, Emmett B, Sheppard LJ, Leith ID, Gwynn-Jones D.  2005.  Applying metabolic fingerprinting to ecology: The use of Fourier-transform infrared spectroscopy for the rapid screening of plant responses to N deposition. Water, Air and Soil Pollution: Focus. 4(6):251-258.       

Sheppard L.J., Wallander H..  2005.  Atmospheric Nitrogen – Pollutant or fertiliser? Nitrogen Acquisition and assimilation in Higher Plants . :65-98. 

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. 

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.

Gidman E., Goodacre R., Emmett B., Sheppard L.J., Leith I.D., Gwynn-Jones D..  2004.  Applying Metabolic fingerprinting to Ecology: The use of fourier-transform infrared spectroscopy for the rapid screeing of plant repsonses to N deposition.. Water, Air and Soil Pollution: Focus. 4:251-258.       

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.

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. 

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. 

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 Environment

Lamberley P., Wolsey P..  2004.  Lichens in a changing pollution environment. :84-89. 

Leith I.D., Sheppard L.J., Fowler D., Cape N., Jones M., Crossley A., Hargreaves K.J., Y. Tang S, Theobald M., Sutton M.A..  2004.  Quantifying dry NH3 deposition from an automated NH3 release system to ombrotrophic bog vegetation. Water, Air and Soil Pollution: Focus. 4:207-218.

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. 

Sutton M.A., Pitcairn C.E.R., Whitfield C., Leith I.D., Sheppard L.J., van Dijk N., Tang S., Skiba U., Smart S., Mitchell R. et al..  2003.  Biomonitor methods for assessing effects of atmospheric nitrogen on statuary nature conservation sites..        

Leith I.D., Sheppard L.J., Pitcairn C.E.R., Ingleby K., Jones M., Tang Y.S., Skinner R., Carfrae J.A., Cape J.N., Fowler D. et al..  2003.  The processes controlling uptake and storage of N and the effects of N deposition on semi-natural vegetation.. Nitrogen Umbrella Project. 

Leith I.D., van Dijk N., Pitcairn C.E.R., Sheppard L.J., Wolsey P., Sutton M.A..  2003.  Refinement and testing of bio-monitoring methods and development of protocols, for assessing impacts of atmospheric nitrogen deposition or concentrations on statuary nature conservation sites..

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. 

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.