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Here is a selection of publications by Prof Chris Freeman and various other members of the Bangor Wetlands Group.

1. Neale RJ, Lim H, Turner J, Freeman C, Kemm JR (1988) The Excretion Of Large Vitamin-C Loads In Young And Elderly Subjects - An Ascorbic-Acid Tolerance-Test. Age & Ageing 17: 35-41

2. Jones SE, Ditner SA, Freeman C, Whitaker CJ, Lock MA (1989). Comparison of a new inorganic membrane filter (Anopore) with a track-etched polycarbonate filter (Nuclepore) for direct counting of bacteria. Applied & Environmental Microbiology, 55: 529-530.

2. Freeman C, Lock MA, Marxsen J, Jones SE (1990). Inhibitory effects of high molecular weight dissolved organic matter upon metabolic processes in biofilms from contrasted rivers and streams. Freshwater Biology, 24: 159-166.

3. Blenkinsopp, S., Gabbot, P.A., Freeman C & Lock M.A., (1991). Seasonal trends in river biofilm storage products and electron transport system activity. Freshwater Biology, 26: 21-34.

4. Freeman C, Emmett BA and Reynolds B, (1991). Wetland biogeochemistry & the consequences of global warming. ITE Annual Report 1990/91, HMSO, p28-30.

5. Gammelgaard, A., Freeman, C and Lock, M.A. (1992) The measurement of electron transport system activity in Sphagnum-derived peat. Soil Biology & Biochemistry, 24: 505-507.

6. Freeman C and Lock MA (1992). Recalcitrant high molecular weight material, an inhibitor of microbial metabolism in river biofilms. Applied & Environmental Microbiology, 58: 2030-2033.

7. Freeman C and Lock MA (1993) [14C] Acetate incorporation an indicator of lipid biosynthesis within intact river biofilms. Journal of Aquatic Ecosystem Health, 2;329-334.

8. Freeman C, Lock MA and Marxsen J. (1993) Poly-beta-hydroxy alkanoate and the maintenance of microbial metabolism following radical changes in environmental conditions. Hydrobiologia, 271: 159-164.

9. Freeman C and Lock MA. (1993) 3H thymidine incorporation as a measure of growth within intact river biofilms. Science of the Total Environment, 138: 161-167.

10. Freeman C, Hawkins J, Lock MA and Reynolds B. (1993). A laboratory perfusion system for the study of biogeochemical responses of wetlands to climatic change. In Gopal B, Hillbricht-Ilkowska A & Wetzel RG (Eds) Wetlands and Ecotones: Studies on Land-Water Interactions, p75-84, National Institute of Ecology, New Delhi.

11. Freeman C, Lock MA, and Reynolds B. (1993). Impacts of climatic change on peatland hydrochemistry; a laboratory based experiment. Chemistry & Ecology, 8: 49-59.

12. Freeman C, Lock MA, and Reynolds B. (1993). Fluxes of carbon dioxide, methane and nitrous oxide from a Welsh peatland following simulation of water table draw-down: Potential feedback to climatic change. Biogeochemistry, 19: 51-60.

13. Freeman C, Lock MA and Reynolds B. (1993) Climatic change and the release of immobilised nutrients from Welsh riparian wetland soils. Ecological Engineering, 2: 367-373.

14. Freeman C, Hudson J, Lock MA, and Reynolds B. (1993). A field-based approach to investigating potential impacts of drought induced by climatic change upon wetlands. In Kundzewicz,Z.W., Rosbjerg,D., Simonivic, S.P. and Takeuchi, K. (Eds), Extreme Hydrological Events: Precipitation, Floods and Droughts, p151-155, IAHS Press, Wallingford, UK.

15. Pind A, Freeman C, and Lock MA. (1994). Enzymic degradation of phenolic materials in peatlands - measurement of phenol-oxidase activity. Plant and Soil, 159; 227-231.

16. Hawkins J and Freeman C. (1994) Sea-level rise: A potential impact upon terrestrial greenhouse gas production. Soil Biology & Biochemistry, 26; 325-329.

17. Freeman C, Lock MA, and Reynolds B. (1994) A potential impact of climatic change upon the transport of dissolved organic carbon from wetland to ocean. Verh. Internat. Verein. Limnol. 25; 1318-1321.

18. Freeman C, Gresswell R, Guasch H, Hudson J, Reynolds B, Lock MA, Sabater F and Sabater S. (1994) The role of drought in the impact of climatic change on the microbiota of peatland streams. Freshwater Biology, 32; 223-230.

19. Freeman C, Hudson J, Lock MA, Reynolds B and Swanson C. (1994) A possible role for sulphate in the suppression of methane fluxes following drought. Soil Biology and Biochemistry, 26; 1439-1442.

20. Freeman C, Reynolds B, Lock MA and Hudson J. (1994) Impacts of climate change on wetland biogeochemistry. ITE Annual Report 1993/94, p 50-53, HMSO.

21. Freeman C, Chapman P, Lock MA, Reynolds B, Wheater, H. (1995) Ion exchange mechanisms and the entrapment of nutrients by river biofilms. Hydrobiologia, 297: 61-65.

22. Freeman C, and Lock MA. (1995) Isotope dilution analysis and rates of 32P incorporation into phospholipids as a measure of microbial growth rates in biofilms. Water Research, 29: 789-792.

23. Freeman C, and Lock MA. (1995) The biofilm polysaccharide matrix; a buffer against changing organic substrate supply. Limnology & Oceanography 40: 273-278.

24. Freeman C, Liska G, Ostle NJ, Jones SE and Lock MA. (1995) The use of fluorogenic substrates for measuring enzyme activity in peatlands. Plant & Soil. 175: 147-152.

25. Freeman C, Gresswell R., Lock M.A., Swanson C., Guasch H., Sabater F., Sabater S., Hudson J., Hughes S. & Reynolds B. (1995) Climate change: Mans indirect impact on wetland microbial activity and the biofilms of a wetland stream. In Man's Influence on Freshwater Ecosystems and Water Use. (Petts, G, Ed.) IAHS Press, Wallingord. pp. 199-206.

26. Freeman C., Liska G., Ostle N.J., Hudson J.A., Lock M.A. & Reynolds B. (1996) Microbial activity and enzymic decomposition processes following peatland water table drawdown. Plant and Soil, 180; 121-127.

27. Hudson J.A., Hughes, S., Reynolds B. & Freeman C., (1996) The effects of simulated drought on streamflow chemistry in a flush wetland. In: Hydrologie dans les pays celtiques, Merot P & Jigorel A (Eds), pp323-334, INRA, Paris.

28. Freeman C. (1997) Using HPLC to eliminate quench interference in fluorogenic substrate assays of microbial enzyme activity. Soil Biology & Biochemistry, 29, 203-205.

29. Freeman C., Lock M.A., Reynolds B. & Hudson J.A. (1997) Nitrous oxide emissions and the use of wetlands for water quality amelioration Env. Sci. Technology, 31; 2438-2440.

30. Kang H, Freeman C and Emmett BA. (1997) Effects of long-term nitrogen addition on enzyme activities in a Sitka Spruce Forest. International Journal of Ecology & Environmental Sciences. 23; 75-80.

31. Freeman C., Liska G., Ostle N.J., Lock M.A., Hughes, S., Reynolds B. & Hudson J.A. (1997) Enzymes and biogeochemical cycling in wetlands during a simulated drought. Biogeochemistry, 39; 177-187.

32. Kang H & Freeman C. (1997) Measurement of phosphomonoesterase activity in wetland sediments using HPLC and UV detection. Archiv Hydrobiologi 140; 411-417.

33. Hughes S, Reynolds B, Hudson JA, Freeman C, (1997) Effects of summer drought on soil solution chemistry in an acid gully mire in mid Wales. Hydrology & Earth Systems Sciences. 1; 661-669.

34. Hughes S, Reynolds B, Dowrick DJ, Freeman C, Hudson JA (1998) Possible acclimation of methane emissions from a gully mire to consecutive drought. In: Scientific Report of the Institute of Terrestrial Ecology 1996-97, pp38-40, ITE, Monks Wood.

35. Kang, H & Freeman C. (1998) Biogeochemical processes in Olentangy River Wetland: Soil enzymes, trace gas emissions and water chemistry. Olentangy River Wetland Wetland Research Park Annual Report, pp131-134, Ohio State University.

36. Freeman C., Nevison GB, Hughes, S., Reynolds B. & Hudson J.A., (1998) Enzymic involvement in the biogeochemical responses of a Welsh Peatland to a rainfall enhancement manipulation. Biol Fertil Soils, 27: 173-178.

37. Hughes S, Freeman C, Reynolds B and Hudson JA, (1998) The Effects of increased drought frequency on sulphate and dissolved organic carbon in peatland dominated catchments. Proceedings of the 2nd International Conference on Climate & Water, pp311-319 (Vol. 1) Eds Lemmela R. & Helenius N., Edita Ltd, Helsinki.

38. Kang H, Lock MA & Freeman C. (1998) Trace gas emission from a Welsh fen - role of hydrochemistry and soil enzyme activities. Water, Air and Soil Pollution, 105: 107-116.

39. Kang H, Lee, D Mitsch WJ & Freeman C. 1998 Enzyme activities in constructed wetlands: Implication for water quality amelioration. Hydrobiologia, 368, 231-235.

40. Freeman C, Baxter, R, Farrar JF, Jones SE, Plum S, Ashendon TW & Stirling C. (1998) Could competition between plants & microbes regulate plant nutrition and atmospheric CO2 concentrations? Sci. Tot. Environ. 220, 181-184.

41. Kang H & Freeman C. (1998) Measurement of cellulase and xylosidase activities in a wetland soil - A sensitive method using fluorogenic compounds. Communications in Soil Science and Plant Analysis 29, 2769-2774.

42. Hughes S, Reynolds B, Brittain A, Hudson JA, and Freeman C, (1998) Temporal trends in bromide release following re-wetting of a naturally drained gully mire. Soil Use and Management 14, 248-250

43. Kang H & Freeman C. (1999) Phosphatase and arylsulfatase activities in wetland soils - Annual variation and controlling factors. Soil Biology & Biochemistry 31, 449-454.

44. Roura-Carrol, M. and Freeman C. (1999) Impacts of Sphagnum and Juncus on methane emissions from peat soils. Soil Biology and Biochemistry 31, 323-325.

45. Dowrick DJ, Hughes, S., Freeman C., Lock MA, Reynolds BR, Hudson JA (1999) Reynolds B. & Hudson J. Nitrous oxide emissions from a gully mire in mid-Wales UK, under simulated summer drought. Biogeochemistry 44, 151-162

46. Hughes, S., Dowrick DJ, Freeman C., Lock MA, Reynolds BR, Hudson JA (1999) Methane emissions from a gully mire in mid-Wales UK, under consecutive summer water table drawdown Environ. Sci Technol, 33 362-365.

47. Freeman C. and Nevison GB. 1999 Simultaneous analysis of multiple enzymes in environmental samples using methylumbelliferyl substrates and HPLC. J.Environ. Qual. 28, 1378-1380.

48. Shackle V, Freeman C and Reynolds B 2000 Biogeochemistry of water quality amelioration using wetlands – a role for enzymes, Verh. Internat. Verein. Limnol. 27, 633-636.

49. Shackle V, Freeman C and Reynolds B 2000. Carbon supply and the regulation of enzyme activity in constructed wetlands. Soil Biol Biochem. 32, 1935-1940.

50. Jenkins, D.A., Johnson, D.B. and Freeman, C. (2000). Mynydd Parys Cu-Pb-Zn mines: mineralogy, microbiology and acid mine drainage. Environmental Mineralogy: Microbial Interactions Anthropogenic Influences, Contaminated Land and Waste Management 9:161-179.

51. Kang, H. & Freeman, C. (2000) Relationship between enzyme activity and the organic matter content of wetland soils. Verh. Internat. Verein. Limnol. 27, Part 4: 1721-1724.

52. Freeman C, Ostle J, Kang H (2001). An enzymic latch on a global carbon store. Nature. 409, 149.

53. Fenner, N., Freeman, C., Hughes, S. and Reynolds, B. (2001) Molecular weight spectra of dissolved organic carbon in a rewetted Welsh peatland and possible implications for water quality. Soil Use and Management 17:106-112.

54. Kang, H. & Freeman, C. (2001) Impacts of elevated CO2 on algal growth, CH4 oxidation and N2O production in northern peatland. Korean Journal of Limnology 34:261-266.

55. Freeman C , C. D. Evans, D. T. Monteith, B. Reynolds and N. Fenner (2001) Export of organic carbon from peat soils. Nature 412, 785.

56. Kang, H., Freeman, C. & Ashenden, T. (2001) Effects of elevated CO2 on fen peat biogeochemistry. The Science of the Total Environment 279:45-50.

57. Kang, H. & Freeman, C. (2002) Sources and variations of extracellular enzymes in a wetland soil. Korean Journal of Limnology 35:326-330.

58. Freeman C., Nevison G.B., Kang H., Hughes, S., Reynolds B. & Hudson J.A. (2002) Contrasted effects of simulated drought on the production and oxidation of methane in a mid-Wales wetland. Soil Biology and Biochemistry, 34; 61-67.

59. Kang, H., Freeman, C., and Kim, S-Y (2002) Variations of DOC and phenolics in pore-water of peatlands. Korean Journal of Limnology 35: 306-311.

60. Tranvik, LJ, Jansson, M; Reply - C. D. Evans, Freeman C , D. T. Monteith, B. Reynolds and N. Fenner (2002) Terrestrial export of organic carbon . Nature 415, 861-862.

61. Kang, H, Freeman, C (2002) The influence of hydrochemistry on methane emissions from two contrasting northern wetlands WATER AIR SOIL POLL 141: 263-272 2002.

62. Gusewell S & Freeman C (2003) Enzyme activity during N- and P- limited decomposition of wetland plant litter. Bulletin of the Geobotanical Institute ETH 69; 95-106.

63. Thomas R., Freeman C., Rehman N., Fox K. 2003. Removal of linear alkylbenzene sulphonate (LAS) in constructed wetlands. Wetlands: Nutrients, Metals and Mass Cycling 35-47.

64. Jones,D.L., Freeman,C., 2003. Waste water treatment. In: Thomas,B., Murphy,D., Murray,B. (Eds.), Encyclopaedia of Applied Plant Science. Academic Press, London, pp. 772-781.

65. Fenner N, Freeman C, Ostle NJ and Reynolds B (2004) Peatland carbon efflux partitioning reveals that sphagnum photosynthate contributes to the DOC pool. Plant and Soil 259 (1-2): 345-354

66. Freeman C, Fenner N, Ostle NJ, Kang H, Dowrick DJ, Reynolds B, Lock MA, Sleep D, Hughes S and Hudson J. (2004) Dissolved organic carbon export from peatlands under elevated carbon dioxide levels. Nature 430, 195 – 198

67. Freeman C, Ostle NJ, Fenner N, Kang H, (2004) A regulatory role for phenol oxidase during decomposition in peatlands Soil Biol Biochem 36: 1663-1667.

68. Freeman C, Kim S, Lee S, Kang H (2004) Effects of elevated atmospheric CO2 concentrations on soil microorganisms. Journal of Microbiology, 42, 267-277.

69. Kang H, Freeman C, Park SS & Chun J (2005) N-Acetylglucosaminidase activities in wetlands: a global survey. Hydrobiologia 532: 103–110

70. Kang H Kim S, Fenner N, Freeman C, (2005), Shifts of soil enzyme activities in wetlands exposed to elevated CO2. STOTEN 337; 207– 212

71. Fenner N, Freeman C, and Reynolds, (2005), Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling Soil Biology & Biochemistry 37, 1277-1287

72. Gussewell S and Freeman C (2005) Phosphorus-limited decomposition of litter from phosphorus-limited plants grown in strong sunlight Functional Ecology 19: 582-593

73. Sowerby A , Emmett BA, Beier C, Tietema A, Peñuelas J, Estiarted M, Van Meeterenc M J.M., Hughes S, Freeman C (2005) Microbial Community Changes In Heathland Soil Communities Along A Geographical Gradient: Interaction With Climate Change Manipulations. Soil Biology & Biochemistry 37 (10): 1805-1813

74. N. Fenner*, C. Freeman, B. Reynolds, (2005) Observations of a seasonally shifting thermal optimum in peatland carbon-cycling processes; implications for the global carbon cycle and soil enzyme methodologies Soil Biology & Biochemistry 37; 1814-1821.

75. Dowrick DJ, Freeman C, Lock MA, & Reynolds B. (2006) Sulphate Reduction and the Suppression of Peatland Methane Emissions Following Summer Drought. Geoderma 132, 384-390.

76. Shackle V, Freeman C and Reynolds B (2006) Exogenous enzyme supplements to promote treatment efficiency in constructed wetlands. Science of the Total Environment, 361, 18-24.

77. Fenner N, Dowrick DJ, Lock MA, Freeman C. A novel approach to studying the effects of temperature on soil biogeochemistry using a thermal gradient bar SOIL USE AND MANAGEMENT 22 (3): 267-273 SEP 2006

78. Bonnett SAF, Ostle N, Freeman C Seasonal variations in decomposition processes in a valley-bottom riparian peatland SCIENCE OF THE TOTAL ENVIRONMENT 370 (2-3): 561-573 2006

79. Bragazza L, Freeman C, Jones T, Rydin H, Limpens J, Fenner N, Ellis T, Gerdola R, Hajek M, Hajek T, Iacumin P, Kutnark L, Tahvanainen T, Toberman H. (2006) Atmospheric nitrogen deposition promotes carbon loss from peat bogs Proceedings of the National Academy of Sciences 103(51): 19386-19389.

80. Evans CD, Freeman C, Cork LG, Thomas DN, Reynolds B, Billett MF, Garnett MH, Norris D. (2007) Evidence against recent climate-induced destabilisation of soil carbon from C-14 analysis of riverine dissolved organic matter. GEOPHYSICAL RESEARCH LETTERS 34 (7): VOL. 34, L07407, doi:10.1029/2007GL029431.

81. Fenner N, Freeman C, Lock MA, Harmens H, Reynolds B, Sparks T. (2007) Interactions between elevated CO2 and warming could amplify DOC exports from peatland catchments. ENVIRONMENTAL SCIENCE & TECHNOLOGY 41: 3146-3152

82. Bragazza L, Freeman C (2007) High nitrogen availability reduces polyphenol content in Sphagnum peat. SCIENCE OF THE TOTAL ENVIRONMENT 377: 439-443

83. Fenner N, Ostle NJ, McNamara N, Sparks T, Harmens H, Reynolds B, Freeman C. (2007) Elevated CO2 effects on peatland plant community carbon dynamics and DOC production. ECOSYSTEMS 10: 635-647

84. Kang H, Freeman C (2007) Interactions of marsh orchid (Dactylorhiza spp.) and soil microorganisms in relation to extracellular enzyme activities in a peat soil PEDOSPHERE 17 (6): 681-687

85. Toberman,H.; Evans,C.D.; Freeman,C.; Fenner,N.; White,M.; Emmett,B.A.; Artz,R.R.E. (2008) Summer drought effects upon soil and litter extracellular phenol oxidase activity and soluble carbon release in an upland Calluna heathland Soil Biology & Biochemistry 40) 1519–1532

86. Bardgett,R.D.; Freeman,C.; Ostle,N.J. Microbial contributions to climate change through carbon cycle feedbacks. The ISME Journal (2008) 2, 805–814

87. Limpens,J.; Berendse,F.; Blodau,C.; Canadell,J.G.; Freeman,C.; Holden,J.; Roulet,N.; Rydin,H.; Schaepman-Strub,G. Peatlands and the carbon cycle: from local processes to global implications - a synthesis Biogeosciences, 5, 1475–1491, 2008

88. Toberman,H.; Freeman,C.; Evans,C.; Fenner,N.; Artz,R.R.E. (2008) Summer drought decreases soil fungal diversity and associated phenol oxidase activity in upland Calluna heathland soil FEMS MICROBIOLOGY ECOLOGY: 66 426-436

89. Kim,S.Y., Lee,S.H., Freeman,C., Fenner,N., Kang,H., 2008. Comparative analysis of soil microbial communities and their responses to the short-term drought in bog, fen, and riparian wetlands. Soil Biology & Biochemistry 40, 2874-2880.

90. Toberman, H., C. Freeman R. R. E. Artz, C. D. Evans & N. Fenner 2008 32. Impeded drainage stimulates extracellular phenol oxidase activity in riparian peat cores Soil Use and Management, 24, 357–365

91. Chris Freeman, Inyoung Jang, Kyoung duk Zho, and Hojeong kang (2008) Measuring Phosphatase Activity in Peatland Soils: Recent Methodological Advances. Environ. Eng. Res. Vol. 13, No. 4, pp. 165~168.

92. Ellis T, P.W. Hill, N. Fenner, G.G. Williams, D. Godbold, C. Freeman (2009) The interactive effects of elevated carbon dioxide and water table draw-down on carbon cycling in a Welsh ombrotrophic bog Ecological Engineering 35; 978–986

93. T.G. Jones, C. Freeman, A. Lloyd, G. Mills, (2009) Impacts of elevated atmospheric ozone on peatland below-ground DOC characteristics Ecological Engineering 35; 971–977

94. Xiang,W., Freeman,C., 2009. Annual variation of temperature sensitivity of soil organic carbon decomposition in North peatlands: implications for thermal responses of carbon cycling to global warming. Environmental Geology 58, 499-508.

95. Kang,H., Freeman,C., 2009. Soil Enzyme Analysis for Leaf Litter Decomposition in Global Wetlands. Communications in Soil Science and Plant Analysis 40, 3323-3334.

96. Fenner N, Freeman C Worrall F, Hydrological Controls on Dissolved Organic Carbon Production and Release From UK Peatlands. In Carbon Cycling in Northern Peatlands Edited by Andrew J Baird, Lisa R Belyea, Xavier Comas, AS Reeve, and Lee D Slater, Geophysical Monograph Series 184, Copyright 2009 by the American Geophysical Union.

97. Bonnett,S.A.F., Ostle,N., Freeman,C., 2010. Short-term effect of deep shade and enhanced nitrogen supply on Sphagnum capillifolium morphophysiology. Plant Ecology 207, 347-358.

98. Williamson,J., Mills,G., Freeman,C., 2010. Species-specific effects of elevated ozone on wetland plants and decomposition processes. Environmental Pollution 158, 1197-1206.

99. House, JI; Orr, HG; Clark, JM; Gallego-Sala, AV; Freeman, C; Prentice, IC; Smith, P. 2010. Climate change and the British Uplands: evidence for decision-making. CLIMATE RESEARCH, 45 3-12

100. Clark, JM; Orr, HG; Freer, J; House, JI; Smith, P; Freeman, C. 2010. Assessment of projected changes in upland environments using simple climatic indices CLIMATE RESEARCH, 45: 87-104

101. Clark, JM ; Gallego-Sala, AV; Allott, TEH; Chapman, SJ; Farewell, T; Freeman, C; House, JI; Orr, HG; Prentice, IC; Smith, P. 2010. Assessing the vulnerability of blanket peat to climate change using an ensemble of statistical bioclimatic envelope models. CLIMATE RESEARCH, 45 (1): 131-162

102. Toberman,H., Laiho,R., Evans,C.D., Artz,R.R.E., Fenner,N., Strakova,P., Freeman,C., 2010. Long-term drainage for forestry inhibits extracellular phenol oxidase activity in Finnish boreal mire peat. European Journal of Soil Science 61, 950-957.

103. C Dunn, C Freeman, 2011. Peatlands: our greatest source of carbon credits? Carbon Management 2 (3), 289-301

104. Strakova,P., Niemi,R.M., Freeman,C., Peltoniemi,K., Toberman,H., Heiskanen,I., Fritze,H., Laiho,R., 2011. Litter type affects the activity of aerobic decomposers in a boreal peatland more than site nutrient and water table regimes. Biogeosciences 8, 2741-2755.

105. White, RA; Freeman, C; Kang, H. 2011. Plant-derived phenolic compounds impair the remediation of acid mine drainage using treatment wetlands. ECOLOGICAL ENGINEERING, 37; 172-175.

106. De Deyn,G.B., Shiel,R.S., Ostle,N.J., McNamara,N.P., Oakley,S., Young,I., Freeman,C., Fenner,N., Quirk,H., Bardgett,R.D., 2011. Additional carbon sequestration benefits of grassland diversity restoration. Journal of Applied Ecology 48, 600-608.

107. Fenner,N., Williams,R., Toberman,H., Hughes,S., Reynolds,B., Freeman,C., 2011. Decomposition 'hotspots' in a rewetted peatland: implications for water quality and carbon cycling. Hydrobiologia 674, 51-66.

108. Shiping Deng,* Hojeong Kang, and Chris Freeman 2011 Microplate Fluorimetric Assay of Soil Enzymes, Chapter 14 in Methods of Soil Enzymology. Richard P. Dick, editor. SSSA Book Series, no. 9. Madison, WI

109. Fenner N, Freeman C (2011) Drought-induced carbon loss in peatlands. Nature Geoscience 4 : 895-900

110. Kim, Seon-Young; Freeman, Chris; Fenner, Nathalie; Hojeong Kang. 2012 Functional and structural responses of bacterial and methanogen communities to 3-year warming incubation in different depths of peat mire. APPLIED SOIL ECOLOGY : 57, 23-30

111. Freeman, C, Fenner, N, Shirsat A.H. (2012) Peatland geoengineering: an alternative approach to terrestrial carbon sequestration. Phhilosophical Transactions of the Royal Society (A) 370, 4404-4421

112. Ridgwell, Andy; Freeman, Chris; Lampitt, Richard Geoengineering: taking control of our planet's climate? PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES 370, 4163-4165

113. C.D. Evans, T.G. Jones, A. Burden, N.J. Ostle, P Zieliński, M.D.A. Cooper, M. Peacock, J.M. Clark, F. Oulehle, D. Cooper, C. Freeman. (2012) "Acidity controls on dissolved organic carbon mobility in organic soils" Global Change Biology, 18; 3317-3331.

114. Gough R, Holliman PJ, Willis N, Jones TG, Freeman C (2012) Influence of habitat on the quantity and composition of leachable carbon in the O2 horizon: Potential implications for potable water treatment. Lake and Reservoir Management 28 (4), 282-292

115. S. Moore, C.D. Evans, S.E. Page, M.H. Garnett, T.G. Jones, C. Freeman, A. Hooijer, A.J. Wiltshire, S.H. Limin and V. Gauci (2013) Deep instability of deforested tropical peatlands revealed by fluvial organic carbon fluxes; Nature, 493, 660–663

116. R Tang, JM Clark, T Bond, N Graham, D Hughes, C Freeman Assessment of potential climate change impacts on peatland dissolved organic carbon release and drinking water treatment from laboratory experiments. Environmental Pollution 173, 270-277

117. M Peacock, CD Evans, N Fenner, C Freeman (2013) Natural revegetation of bog pools after peatland restoration involving ditch blocking—The influence of pool depth and implications for carbon cycling. Ecological Engineering 57, 297-301

118. A Curreli, H Wallace, C Freeman, M Hollingham, C Stratford, H Johnson, L Jones Eco-hydrological requirements of dune slack vegetation and the implications of climate change. Science of the Total Environment 443, 910-919

119. N Fenner, C Freeman 2013. Carbon preservation in humic lakes; a hierarchical regulatory pathway. Global change biology 19 (3), 775-784

120. Ritson J, Bell M, Graham N, Templeton M, Brazier R, Verhoef A, Freeman C, Clark J (2014) Simulated climate change impact on summer dissolved organic carbon release from peat and surface vegetation: Implications for drinking water treatment. Water Research 67:66-76. DOI: 10.1016/j.watres.2014.09.015

121. Evans CD, Page SE, Jones T, Moore S, Gauci V, Laiho R, Hruška J, Allott THE, Billett MF, Tipping E, Freeman C, Garnett MH (2014) Contrasting vulnerability of drained tropical and high-latitude peatlands to fluvial loss of stored carbon. Global Biogeochemical Cycles 28(11):1215-1234. DOI: 10.1002/2013GB004782

122. Cooper MDA, Evans CD, Zieliński P, Levy PE, Gray A, Peacock M, Norris D, Fenner N, Freeman C (2014) Infilled ditches are hotspots of landscape methane flux following peatland re-wetting.
Ecosystems 17(7):1227-1241. DOI: 10.1007/s10021-014-9791-3

123. Peacock M, Evans CD, Fenner N, Freeman C, Gough R, Jones TG, Lebron I (2014) UV-visible absorbance spectroscopy as a proxy for peatland dissolved organic carbon (DOC) quantity and quality: considerations on wavelength and absorbance degradation. Environmental Science: Processes & Impacts 16:1445-1461. DOI: 10.1039/c4em00108g

124. Peacock M, Jones TG, Airey B, Johncock A, Evans CD, Lebron I, Fenner N and Freeman C (2014) The effect of peatland drainage and rewetting (ditch blocking) on extracellular enzyme activities and water chemistry. Soil Use and Management DOI: 10.1111/sum.12138

125. Ritson JP, Graham NJD, Templeton MR, Clark JM, Gough R, Freeman C (2014) The impact of climate change on the treatability of dissolved organic matter (DOM) in upland water supplies: A UK perspective. Science of the Total Environment 473-474:714-730. DOI: 10.1016/j.scitotenv.2013.12.095

126. Delpla I, Monteith DT, Freeman C, Haftka J, Hermens J, Jones TG, Baurè E, Jung A, Thomas O (2014) A decision support system for drinking water production integrating health risks assessment. Journal of Environmental Research and Public Health 11(7):7354-7375. DOI: 10.3390/ijerph110707354

127. Gough R, Holliman PJ, Willis N, Freeman C (2014) Dissolved organic carbon and trihalomethane precursor removal at a UK upland water treatment works. Science of the Total Environment 468:228-239. DOI: 10.1016/j.scitotenv.2013.08.048

128. Dunn C, Jones TG, Girard A, Freeman C (2014) Methodologies for extracellular enzyme assays from wetland soils. Wetlands 34(1):9-17. DOI: 10.1007/s13157-013-0475-0
Gough R, Holliman PJ, Heard T, Freeman C. 2014. DOC and THMFP removal during coagulation of a typical upland water with alum, PAX-18 and PIX-322. Journal of Water Supply: Research and Technology – AQUA63(8):650-660. DOI:10.2166/aqua.2014.007

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