Professor Penny J Johnes

BSc, D.Phil (Oxon.)

  • BS8 1SS

    United Kingdom

  • BS8 1SS

1989 …2020

Research output per year

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Research Output

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Article (Academic Journal)
2020

Cascading multiscale watershed effects on differential carbon isotopic characteristics and associated hydrological processes

Gao, Y., Jia, J., Lu, Y., Zhou, F., Hao, Z., Johnes, P. J., Dungait, J. A. J. & Shi, K., 1 Sep 2020, In : Journal of Hydrology. 588, 11 p., 125139.

Research output: Contribution to journalArticle (Academic Journal)

Determining the impact of riparian wetlands on nutrient cycling, storage and export in permeable agricultural catchments

Johnes, P. J., Gooddy, D., Heaton, T. H. E., Binley, A., Kennedy, M. P., Shand, P. & Prior, H., 6 Jan 2020, In : Water. 12, 1, w12010167.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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120 Downloads (Pure)

Dissolved organic nutrient uptake by riverine phytoplankton varies along a gradient of nutrient enrichment

Mackay, E. B., Feuchtmayr, H., De Ville, M. M., Thackeray, S. J., Callaghan, N., Marshall, M., Rhodes, G., Yates, C. A., Johnes, P. J. & Maberly, S. C., 8 Mar 2020, (Accepted/In press) In : Science of The Total Environment. 722, STOTEN 137837.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
31 Downloads (Pure)

Identifying the main drivers of change of phytoplankton community structure and gross primary productivity in a river-lake system

Jia, J., Gao, Y., Zhou, F., Shi, K., Johnes, P. J., Dungait, J. A. J., Ma, M. & Lu, Y., 1 Apr 2020, In : Journal of Hydrology. 583, 13 p., 124633.

Research output: Contribution to journalArticle (Academic Journal)

1 Downloads (Pure)

Rapid depletion of dissolved organic sulphur (DOS) in freshwaters

Brailsford, F. L., Glanville, H. C., D, W., Golyshin, P. N., Johnes, P. J., Yates, C. A. & Jones, D. L., 2 May 2020, In : Biogeochemistry. 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
61 Downloads (Pure)

Rates of hydroxyapatite formation and dissolution in a sandstone aquifer: Implications for understanding dynamic phosphate behaviour within an agricultural catchment

Bingham, S. T., Buss, H. L., Mouchos, E. M., Johnes, P. J., Gooddy, D. C. & Bagnall, J. P., 1 Apr 2020, In : Applied Geochemistry. 115, 18 p., 104534.

Research output: Contribution to journalArticle (Academic Journal)

2019

Benchmarking the predictive capability of hydrological models for river flow and flood peak predictions across over 1000 catchments in Great Britain

Lane, R., Coxon, G., Freer, J., Wagener, T., Johnes, P., Bloomfield, J., Greene, S., Macleod, C. & Reaney, S., 30 Sep 2019, In : Hydrology and Earth System Sciences. 23, p. 4011–4032 22 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
3 Citations (Scopus)
147 Downloads (Pure)

Characterisation of treated effluent from four commonly employed wastewater treatment facilities: A UK case study

Yates, C. A., Johnes, P. J. & Spencer, R. G. M., 15 Feb 2019, In : Journal of Environmental Management. 232, p. 919-927 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
91 Downloads (Pure)

Determining the sources of nutrient flux to water in headwater catchments: Examining the speciation balance to inform the targeting of mitigation measures

Lloyd, C., Johnes, P., Freer, J., Carswell, A., Jones, J. I., Stirling, M. W., Hodgkinson, R. A., Richmond, C. & Collins, A. L., 15 Jan 2019, In : Science of The Total Environment. 648, p. 1179-1200 22 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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6 Citations (Scopus)
307 Downloads (Pure)

High resolution HPLC-MS confirms overestimation of urea in soil by the diacetyl monoxime (DAM)colorimetric method

Reay, M., Yates, C., Johnes, P., Arthur, C., Jones, D. & Evershed, R., 1 Aug 2019, In : Soil Biology and Biochemistry. 135, p. 127-133 7 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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52 Downloads (Pure)

Microbial uptake kinetics of dissolved organic carbon (DOC) compound groups from river water and sediments

Brailsford, F. L., Glanville, H. C., Golyshin, P. N., Johnes, P. J., Yates, C. A. & Jones, D. L., 2 Aug 2019, In : Scientific Reports. 9, 11 p., 11229.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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4 Citations (Scopus)
85 Downloads (Pure)

Nutrient enrichment induces a shift in dissolved organic carbon (DOC) metabolism in oligotrophic freshwater sediments.

Brailsford, F. L., Glanville, H. C., Golyshin, P. N., Marshall, M. R., Lloyd, C. E., Johnes, P. J. & Jones, D. L., 10 Nov 2019, In : Science of The Total Environment. 690, p. 1131-1139 9 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
5 Citations (Scopus)
10 Downloads (Pure)

Soil functions and ecosystem services research in the Chinese karst Critical Zone

Green, S. M., Dungait, J. A. J., Tu, C., Buss, H., Sanderson, N., Hawkes, S. J., Xing, K., Yue, F., Hussey, V., Peng, J., Johnes, P., Barrows, T., Hartley, I. P., Song, X., Jiang, Z., Meersmans, J., Zhang, X., Tian, J., Wu, X., Liu, H. & 4 others, Song, Z., Evershed, R., Gao, Y. & Quine, T., 20 Nov 2019, In : Chemical Geology. 527, 55 p., 119107.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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11 Citations (Scopus)
80 Downloads (Pure)
Open Access
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140 Downloads (Pure)

Using δ13C to reveal the importance of different water transport pathways in two nested karst basins, Southwest China

Hao, Z., Gao, Y., Ma, M., Green, S. M., Wang, J., Song, X., Dungait, J. A. J., Johnes, P. J., Xiong, B., Quine, T. A., Sun, X., Wen, X. & He, N., 1 Apr 2019, In : Journal of Hydrology. 571, p. 425-436 12 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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2 Citations (Scopus)
71 Downloads (Pure)

Variation in dissolved organic matter (DOM) stoichiometry in UK freshwaters: Assessing the influence of land cover and soil C:N ratio on DOM composition.

Yates, C., Johnes, P., Owen, A., Brailsford, F., Glanville, H., Evans, C. D., Marshall, M., Jones, D., Lloyd, C., Jickells, T. & Evershed, R., 6 May 2019, In : Limnology and Oceanography. 64, 6, p. 2328-2340 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
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9 Citations (Scopus)
149 Downloads (Pure)
2018

An exploration of individual, social and material factors influencing water pollution mitigation behaviours within the farming community

Inman, A., Winter, M., Wheeler, R., Vrain, E., Lovett, A., Collins, A., Jones, I., Johnes, P. & Cleasby, W., Jan 2018, In : Land Use Policy. 70, p. 16-26 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
17 Citations (Scopus)
263 Downloads (Pure)

Impact of microbial activity on the leaching of soluble N forms in soil

Carswell, A., Hill, P. W., Jones, D. L., Blackwell, M. S. A., Johnes, P., Dixon, E. & Chadwick, D., 1 Jan 2018, In : Biological Fertility of Soils. 54, 1, p. 21-25 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
2 Citations (Scopus)
242 Downloads (Pure)
2017

Ecosystem service delivery in Karst landscapes: anthropogenic perturbation and recovery

Quine, T., Guo, D., Green, S. M., Tu, C., Hartley, I., Zhang, X., Dungait, J., Wen, X., Song, Z., Liu, H., Buss, H., Barrows, T., Evershed, R., Johnes, P. & Meersmans, J., 1 Sep 2017, In : Acta Geochimica. 36, 3, p. 416-420 5 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
9 Citations (Scopus)
261 Downloads (Pure)

Hydrological controls on DOC : nitrate resource stoichiometry in a lowland, agricultural catchment, southern UK

Heppell, C. M., Binley, A., Trimmer, M., Darch, T., Jones, A., Malone, E., Collins, A., Johnes, P., Freer, J. & Lloyd, C., 27 Sep 2017, In : Hydrology and Earth System Sciences. 21, p. 4785-4802 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
12 Citations (Scopus)
244 Downloads (Pure)

Major agricultural changes required to mitigate phosphorus losses under climate change

Mary, O., Holloway, M. J., Beven, K., Collins, A., Evans, R., Falloon, P. D., Forber, K. J., Hiscock, K., Kahana, R., Macleod, C. J. A., Tych, W., Villamizar, M. L., Wearing, C., Withers, P. J., Zhou, J. G., Barker, P. A., Burke, S., Freer, J., Johnes, P., Snell, M. & 2 others, Surridge, B. & Haygarth, P., 31 Jul 2017, In : Nature Communications. 8, 9 p., 161.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
34 Citations (Scopus)
242 Downloads (Pure)

Microbial use of low molecular weight DOM in filtered and unfiltered freshwater: Role of ultra-small microorganisms and implications for water quality monitoring

Brailsford, F. L., Glanville, H. C., Marshall, M. R., Golyshin, P. N., Johnes, P. J., Yates, C. A., Owen, A. T. & Jones, D. L., 15 Nov 2017, In : Science of The Total Environment. 598, p. 377-384 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
9 Citations (Scopus)
188 Downloads (Pure)

Organic phosphorus in the terrestrial environment: a perspective on the state of the art and future priorities

George, T. S., Giles, C. D., Menezes-Blackburn, D., Condron, L. M., Gama-Rodrigues, A. C., Jaisi, D., Lang, F., Neal, A. L., Stutter, M. I., Almeida, D. S., Bol, R., Cabugao, K. G., Celi, L., Cotner, J. B., Feng, G., Goll, D. S., Hallama, M., Krueger, J., Plassard, C., Rosling, A. & 66 others, Darch, T., Fraser, T., Giesler, R., Richardson, A. E., Tamburini, F., Shand, C. A., Lumsdon, D. G., Zhang, H., Blackwell, M. S. A., Wearing, C., Mezeli, M. M., Almås, R., Audette, Y., Bertrand, I., Beyhaut, E., Boitt, G., Bradshaw, N., Brearley, C. A., Bruulsema, T. W., Ciais, P., Cozzolino, V., Duran, P. C., Mora, M. L., de Menezes, A. B., Dodd, R. J., Dunfield, K., Engl, C., Frazão, J. J., Garland, G., González Jiménez, J. L., Graca, J., Granger, S. J., Harrison, A. F., Heuck, C., Hou, E. Q., Johnes, P. J., Kaiser, K., Kjær, H. A., Klumpp, E., Lamb, A. L., Macintosh, K. A., Mackay, E. B., McGrath, J., McIntyre, C., McLaren, T., Mészáros, E., Missong, A., Mooshammer, M., Negrón, C. P., Nelson, L. A., Pfahler, V., Poblete-Grant, P., Randall, M., Seguel, A., Seth, K., Smith, A. C., Smits, M. M., Sobarzo, J. A., Spohn, M., Tawaraya, K., Tibbett, M., Voroney, P., Wallander, H., Wang, L., Wasaki, J. & Haygarth, P. M., 6 Oct 2017, In : Plant and Soil. 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
49 Citations (Scopus)
288 Downloads (Pure)

Projected impacts of increased uptake of source control mitigation measures on agricultural diffuse pollution emissions to water and air

Zhang, Y., Collins, A. L., Johnes, P. J. & Jones, J. I., Mar 2017, In : Land Use Policy. 62, p. 185-201 17 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
11 Citations (Scopus)
329 Downloads (Pure)

The potential benefits of on-farm mitigation scenarios for reducing multiple pollutant loadings in prioritised agri-environment areas across England

Zhang, Y., Collins, A. L., Jones, J. I., Johnes, P. J., Inman, A. & Freer, J. E., Jul 2017, In : Environmental Science and Policy. 73, p. 100-114 15 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
12 Citations (Scopus)
407 Downloads (Pure)
2016

Assessing the drivers of dissolved organic matter export from two contrasting lowland catchments, U.K

Yates, C., Johnes, P. & Spencer, R., 1 Nov 2016, In : Science of The Total Environment. 569–570, p. 1330-1340 11 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
13 Citations (Scopus)
721 Downloads (Pure)

Short-term biotic removal of dissolved organic nitrogen (DON) compounds from soil solution and subsequent mineralisation in contrasting grassland soils

Carswell, A. M., Hill, P., Jones, D., Blackwell, M., Johnes, P. J. & Chadwick, D., May 2016, In : Soil Biology and Biochemistry. 96, p. 82-85 4 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
9 Citations (Scopus)
364 Downloads (Pure)

Tackling agricultural diffuse pollution: What might uptake of farmer-preferred measures deliver for emissions to water and air?

Collins, A., Zhang, Y., Winter, M., Inman, A., Jones, I., Johnes, P., Cleasby, W., Vrain, E., Lovett, A. & Noble, L., 15 Mar 2016, In : Science of The Total Environment. 547, p. 269-281 13 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
34 Citations (Scopus)
668 Downloads (Pure)

Technical Note: Testing an improved index for analysing storm discharge–concentration hysteresis

Lloyd, C. E. M., Freer, J. E., Johnes, P. J. & Collins, A. L., Feb 2016, In : Hydrology and Earth System Sciences. 20, 2, p. 625-632 8 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
37 Citations (Scopus)
502 Downloads (Pure)
Open Access
File
101 Citations (Scopus)
435 Downloads (Pure)
2015

A geospatial framework to support integrated biogeochemical modelling in the United Kingdom

Greene, S., Johnes, P. J., Bloomfield, J., Reaney, S., Lawley, R., Elkhatib, Y., Freer, J. E., Odoni, N. A., Macleod, C. J. A. & Percy, B., Jun 2015, In : Environmental Modelling and Software. 68, p. 219-232 14 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
19 Citations (Scopus)
469 Downloads (Pure)

Discharge and nutrient uncertainty: Implications for nutrient flux estimation in small streams.

Lloyd, C., Freer, J., Johnes, P., Coxon, G. & Collins, A., 20 Dec 2015, In : Hydrological Processes. 30, 1, p. 135–152 18 p.

Research output: Contribution to journalArticle (Academic Journal)

Open Access
File
30 Citations (Scopus)
359 Downloads (Pure)
2014

Distributed and dynamic modelling of hydrology, phosphorus and ecology in the Hampshire Avon and Blashford Lakes: Evaluating alternative strategies to meet WFD standards

Whitehead, P., Jin, L., Crossman, J., Comber, S., Johnes, P. J., Daldorph, P., Flynn, N., Collins, A., Butterfield, D., Mistri, R., Bardon, R., Pope, L. & Willows, R., 2014, In : Science of The Total Environment. 481, p. 157-166 10.1016/j.scitotenv.2014.02.007.

Research output: Contribution to journalArticle (Academic Journal)

14 Citations (Scopus)

High-frequency monitoring of nitrogen and phosphorus response in three rural catchments to the end of the 2011-2012 drought in England

Outram, F. N., Lloyd, C. E. M., Jonczyk, J., McW. H. Benskin, C., Grant, F., Perks, M. T., Deasy, C., Burke, S. P., Collins, A. L., Freer, J., Haygarth, P. M., Hiscock, K. M., Johnes, P. J. & Lovett, A. L., 8 Sep 2014, In : Hydrology and Earth System Sciences. 18, 9, p. 3429-3448 20 p.

Research output: Contribution to journalArticle (Academic Journal)

67 Citations (Scopus)

Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments.

Lloyd, C. E. M., Freer, J. E., Johnes, P. J., Collins, A. & Jones, I., 2014, In : Journal of Hydrology. 514, p. 297–312

Research output: Contribution to journalArticle (Academic Journal)

24 Citations (Scopus)
2013

High-resolution monitoring of catchment nutrient response to the end of the 2011–2012 drought in England, captured by the demonstration test catchments

Outram, F., Lloyd, C. E. M., Jonczyk, J., Benskin, C. M., Grant, F., Dorling, S. R., Steele, C., Collins, A. L., Freer, J. E., Haygarth, P. M., Hiscock, K., Johnes, P. J. & Lovett, A. A., 11 Dec 2013, In : Hydrology and Earth System Sciences Discussions. 10, 12, p. 15119-15165 47 p.

Research output: Contribution to journalArticle (Academic Journal)

Nitrogen speciation and phosphorus fractionation dynamics in a lowland chalk catchment

Yates, C. A. & Johnes, P. J., 1 Feb 2013, In : Science of The Total Environment. 444, p. 466-479 14 p.

Research output: Contribution to journalArticle (Academic Journal)

22 Citations (Scopus)
2012

Catchment phosphorous losses: an export coefficient modelling approach with scenario analysis for water management

Matias, N-G. & Johnes, P. J., 1 Mar 2012, In : Water Resources Management. 26, 5, p. 1041-1064 24 p.

Research output: Contribution to journalArticle (Academic Journal)

22 Citations (Scopus)

Nitrogen fluxes from the landscape are controlled by net anthropogenic nitrogen inputs and by climate

Howarth, R., Swaney, D., Billen, G., Garnier, J., Hong, B., Humborg, C., Johnes, P., Mörth, C-M. & Marino, R., 1 Feb 2012, In : Frontiers in Ecology and the Environment. 10, 1, p. 37-43 7 p.

Research output: Contribution to journalArticle (Academic Journal)

184 Citations (Scopus)
2009

Bryozoan populations reflect nutrient enrichment and productivity gradients in rivers

Hartikainen, H., Johnes, P. J., Moncrieff, CB. & Okamura, B., 2009, In : Freshwater Biology. 54, 11, p. 2320-2334

Research output: Contribution to journalArticle (Academic Journal)

35 Citations (Scopus)

Nutrient Imbalances: Pollution Remains Response

Vitousek, P. M., Naylor, R., Crews, T., David, M. B., Drinkwater, L. E., Holland, E., Johnes, P. J., Katzenberger, J., Martinelli, L. A., Matson, P. A., Nziguheba, G., Ojima, D., Palm, C. A., Robertson, G. P., Sanchez, P. A., Townsend, A. R. & Zhang, F. S., 2009, In : Science. 326, 5953, p. 665-666 2 p.

Research output: Contribution to journalArticle (Academic Journal)

Nutrient Imbalances in Agricultural Development

Vitousek, P. M., Naylor, R., Crews, T., David, M. B., Drinkwater, L. E., Holland, E., Johnes, P. J., Katzenberger, J., Martinelli, L. A., Matson, P. A., Nziguheba, G., Ojima, D., Palm, C. A., Robertson, G. P., Sanchez, P. A., Townsend, A. R. & Zhang, F. S., 2009, In : Science. 324, 5934, p. 1519-1520 2 p.

Research output: Contribution to journalArticle (Academic Journal)

723 Citations (Scopus)
2007

Land use scenarios for England and Wales: evaluation of management options to support 'good ecological status' in surface freshwaters

Johnes, P. J., Foy, R., Butterfield, D. & Haygarth, P. M., 2007, In : Soil Use and Management. 23, Suppl 1, p. 176-196 21 p.

Research output: Contribution to journalArticle (Academic Journal)

53 Citations (Scopus)
212 Citations (Scopus)

Uncertainty of water-quality predictions in ungauged basins (PUBs)

Peters, N. E., Reynolds, B. & Johnes, P. J., 2007, In : International Association of Hydrological Sciences Publications. 309, p. 63-73 11 p.

Research output: Contribution to journalArticle (Academic Journal)

2006

Water Framework Directive - WFD implementation in a European perspective. Report from a workshop at the Royal Swedish Academy of Agriculture and Forestry, 29 November 2005

Olsson, R., Rekolainen, S., Sjöberg, B., Reisner, R., Nielsen, K., Johnes, P. J. & Piegay, H., 2006, In : Kungl. Skogs-och Lantbruksakademiens Tidskrift. 8

Research output: Contribution to journalArticle (Academic Journal)

2005

A comparison of diatom phosphorus transfer functions and export coefficient models as tools for reconstructing lake nutrient histories

Bennion, H., Johnes, P., Ferrier, R., Phillips, G. & Haworth, E., 2005, In : Freshwater Biology. 50, 10, p. 1651-1670 20 p.

Research output: Contribution to journalArticle (Academic Journal)

47 Citations (Scopus)
2004

Nutrient monitoring, simulation and management within a major lowland UK river system: the Kennet

Wade, A. J., Whitehead, P., Jarvie, H. P., Neal, C., Prior, H. & Johnes, P. J., 2004, In : Mathematics and Computers in Simulation. 64, 3-4, p. 307-317 11 p.

Research output: Contribution to journalArticle (Academic Journal)

16 Citations (Scopus)

Physico-chemical controls on phosphorus cycling in two lowland streams. Part 1 - the water column

Evans, D. J. & Johnes, P., 2004, In : Science of The Total Environment. 329, 1-3, p. 145-163 19 p.

Research output: Contribution to journalArticle (Academic Journal)

49 Citations (Scopus)