Photo of Professor Adrian  Collins

Professor Adrian Collins

Research Interests

Publications

Evans, R., Collins, A.L., Foster, I.D.L., Rickson, R.G., Anthony, S.G., Brewer, T., Deeks, L., J. Newell-Price, P., Truckell, I.G. and Zhang, Y. (2016). Extent, frequency and rate of water erosion of arable land in Britain – benefits and challenges for modelling. Soil Use and Management 32 (Suppl. 1), 149-161.

Zhang, Y., Collins, A.L. and Hodgkinson, R.A. (2016). Use of farm survey returns from the Demonstration Test Catchments to update modelled predictions of sediment and total phosphorus loadings from subsurface drains across England and Wales. Soil Use and Management 32 (Suppl. 1), 127-137.

Gao, J., Long, Y., Zhang, X., Collins, A.L., He, X., Zhang, Y. and Shi, Z. (2016). Interpreting sedimentation dynamics at Longxi catchment in the Three Gorges Area, China, using Cs-137 activity, particle size and rainfall activity. Journal of Mountain Science 13, 857-869.

Walling, D.E. and Collins, A.L. (2016). Fine sediment transport and management. In: Gilvear, D.J., Greenwood, M.T., Thoms, M.C. and Wood, P.J. (eds.), River Science: Research and Management for the 21st century. Wiley, London, pp 37-60.

Zhou, J.G., Haygarth, P.M., Withers, P.J.A., Macleod, C.J.A., Falloon, P.D., Beven, K.J., Ockenden, M.C., Forber, K.J., Hollaway, M.J., Evans, R., Collins, A.L., Hiscock, K.M., Wearing, C., Kahana, R. and Villamizar Velez, M.L. (2016). Lattice Boltzmann method for the fractional advection-diffusion equation. Physical Review E 93, 0433101-9.

McDowell, R.W., Dills, R., Collins, A.L., Flahive, K.A., Sharpley, A.N. and Quinn, J. (2016). A review of the policies and implementation of practices to decrease water quality impairment by phosphorus in New Zealand, the UK, and the US. Nutrient Cycling in Agroecosystems 104, 289-305.

Collins, A.L. and Zhang, Y. (2016). Exceedance of modern ‘background’ fine-grained sediment delivery to rivers due to current agricultural land use and uptake of water pollution mitigation options across England and Wales. Environmental Science and Policy 61, 61-73.

Emelko, M.B., Stone, M., Silins, S., Allin, D., Collins, A.L., Williams, C.H.S., Martens, A.M., Bladon, K.D. (2016). Sediment-phosphorus dynamics can shift aquatic ecology and cause downstream legacy effects after wildfire in large river systems. Global Change Biology 22, 1168-1184. 

Lloyd, C.E.M., Freer, J.E., Johnes, P.J. and Collins, A.L. (2016). Technical note: Testing an improved index for analysing storm discharge-concentration hysteresis. Hydrology and Earth System Sciences 20, 625-632.

Tang, Q., Bao, Y., He, X., Fu, B., Collins, A.L. and Zhang, X. (2016). Flow regulation manipulates contemporary seasonal sedimentary dynamics in the reservoir fluctuation zone of the Three Gorges Reservoir, China. Science of the Total Environment 548-549, 410-420.

Ockenden, M.C., Deasy, C.E., Benskin, C.McW.H., Beven, K.J., Burke, S., Collins, A.L., Evans, R., Falloon, P.D., Forber, K.J., Hiscock, K.M., Kahana, R., Macleod, C.J.A., Reaney, S.M., Snell, M.A., Villamizar, M.L., Wearing, C., Withers, P.J.A., Zhou, J.G. and Haygarth, P.M. (2016). Changing climate and nutrient transfers: Evidence from high temporal resolution concentration-flow dynamics in headwater catchments. Science of the Total Environment 548-549, 325-339.

Naden, P.S., Murphy, J.S., Old, G.H., Newman, J., Scarlett, P., Harman, M., Duerdoth, C.P., Hawczak, A., Pretty, J.L., Arnold, A., Laize, C., Hornby, D.D., Collins, A.L., Sear, D.A. and Jones, J.I. (2016). Understanding the controls on deposited fine sediment in the streams of agricultural catchments. Science of the Total Environment 347, 366-381.

Collins, A.L., Zhang, Y.S., Winter, M., Inman, A., Jones, J.I., Johnes, P.J., Cleasby, W., Vrain, E., Lovett, A. and Noble, L. (2016). Tackling agricultural diffuse pollution: what might uptake of farmer-preferred measures deliver for emissions to water and air. Science of the Total Environment 547, 269-281.  

Lloyd, C.E.M., Freer, J.E., Johnes, P.J., Coxon, G. and Collins, A.L. (2016). Discharge and nutrient uncertainty: implications for nutrient flux estimation in small streams. Hydrological Processes 30, 135-152.

Lloyd, C.E.M., Freer, J.E., Johnes, P.J. and Collins, A.L. (2016). Using hysteresis analysis of high-resolution water quality monitoring data, including uncertainty, to infer controls on nutrient and sediment transfer in catchments.  Science of the Total Environment 543, 388-404.

Wang, L., Stuart, M.E., Lewis, M.A., Ward, R.S., Skirvin, D., Naden, P.S., Collins, A.L. and Ascott, M.J. (2016). The changing trend in nitrate concentrations in major aquifers due to historical nitrate loading from agricultural land across England and Wales from 1925 to 2150. Science of the Total Environment 542, 694-705.

Sear, D.A., Jones, J.I., Collins, A.L., Hulin, A., Burke, N., Bateman, S., Pattison, I. and Naden, P.S. (2016). Does fine sediment source as well as quantity affect salmonid embryo mortality and development? Science of the Total Environment 541, 957-968.

Murphy, J.F., Jones, J.I., Pretty, J.L., Duerdoth, C.P., Hawczak, A., Arnold, A., Blackburn J.H., Naden, P.S., Old, G., Sear, D.A., Hornby, D., Clarke, R.T. and Collins, A.L. (2015). Development of a biotic index using stream macroinvertebrates to assess stress from deposited fine sediment. Freshwater Biology 60, 2019-2036.

Lloyd, C.E.M., Freer, J.E., Johnes, P.J. and Collins, A.L. (2015). Technical note: Testing an improved index for analysing storm nutrient hysteresis. Hydrology and Earth System Sciences Discussions 12, 7875-7892.

Theuring, P., Collins, A.L., Rode, M. (2015). Source identification of fine-grained suspended sediment in the Kharaa River basin, northern Mongolia. Science of the Total Environment 526, 77-87.

Duerdoth, C.P., Arnold, A., Murphy, J.F., Naden, P.S., Scarlett, P., Collins, A.L., Sear, D.A., Jones, J.I. (2015). Assessment of a rapid method for quantitative reach-scale estimates of deposited fine sediment in rivers. Geomorphology 230, 37-50.

Xu, Y.J., Allison, M.A., Bentley, S.J., Collins, A.L., Erskine, W.D., Golosov, V., Horowitz, A.J. and Stone, M. (2014). Sediment dynamics from the summit to the sea. International Association of Hydrological Sciences (IAHS) Publication No. 367, Wallingford, UK, 470 pp.

Pattison, I., Sear, D.A., Collins, A.L., Jones, J.I. and Naden, P.S. (2014). Interactions between fine-grained sediment delivery, river bed deposition and salmonid spawning success. In: Sediment dynamics from the summit to the sea (pp 199-206). International Association of Hydrological Sciences (IAHS) Publication No. 367, Wallingford, UK, 470 pp. 

Collins, A.L., Zhang, Y., Naden, P. (2014). The costs and efficacy of sediment mitigation measures for representative farm types across England and Wales. In: Sediment dynamics from the summit to the sea (pp 382-388). International Association of Hydrological Sciences (IAHS) Publication No. 367, Wallingford, UK, 470 pp. 

Outram, F.N., Lloyd, C.E.M., Jonczyk, J., Benskin, C. McW. H., Grant, F., Perks, M.T., Deasy, C., Burke, S.P.,  Collins, A.L., Freer, J, Haygarth, P.M.,  Hiscock, K.M., Johnes, P.J. and. Lovett, A.A. (2014). High frequency monitoring of nitrogen and phosphorus response in three rural catchments to the end of the 2011-2012 drought in England. Hydrology and Earth System Sciences 18, 3429-3488.

Collins, A.L., Williams, L.J., Zhang, Y.S., Marius, M., Dungait, J.A.J., Smallman, D.J., Dixon, E.R., Stringfellow, A., Sear, D.A., Jones, J.I. and Naden, P.S. (2014). Sources of sediment-bound organic matter infiltrating spawning gravels during the incubation and emergence life stages of salmonids. Agriculture, Ecosystems and Environment 196, 76-93.

Zhang, Y., Collins, A.L., Murdoch, N., Lee, D. and Naden, P.S. (2014). Cross sector contributions to river pollution in England and Wales: updating waterbody scale information to support policy delivery for the Water Framework Directive. Environmental Science and Policy 42, 16-32.

Bowes, M.J., Jarvie, H.P., Naden, P.S., Old, G.H., Scarlett, P.M., Roberts, C., Armstrong, L.K., Harman, S.A., Wickham, H.D., Collins, A.L. (2014). Identifying priorities for nutrient mitigation using river concentration-flow relationships: the Thames basin, UK. Journal of Hydrology 517, 1-12. 

Lloyd, C.E.M., Freer, J.E., Collins, A.L., Johnes, P.J., Jones, J.I. (2014). Methods for detecting change in hydrochemical time series in response to targeted pollutant mitigation in river catchments. Journal of Hydrology 514, 297-312.

McGonigle, D.F., Burke, S.P., Collins, A.L., Gartner, R., Haft, M.R., Harris, R.C., Haygarth, P.M., Hedges, M.C., Hiscock, K.M. and Lovett, A.A. (2014). Developing Demonstration Test Catchments as a platform for transdisciplinary land management research in England and Wales. Environmental Science: Processes and Impacts 16, 1618-1628.

Whitehead P.G, Jin, L., Crossman, J., Comber, S., Johnes, P.J., Daldorph, P. Collins, A.L., Butterfield, D., Bardon, R., Pope, L.,Willows R., Flynn, N. (2014). Distributed and dynamic modelling of hydrology, phosphorus and ecology in the Hampshire Avon and Blashford Lakes: evaluating alternative strategies to meet WFD standards. Science of the Total Environment 481, 157-166.

Jones, J.I., Duerdoth, C.P., Collins, A.L., Naden, P.S. and Sear, D.A. (2014). Interactions between diatoms and fine sediment. Hydrological Processes 28, 1226-1237.

Allen, D.J., Darling, W.G., Davies, J., Newell, A.J., Gooddy, D.C. and Collins, A.L. (2014). Groundwater conceptual models: implications for evaluating diffuse pollution mitigation measures. Quarterly Journal of Engineering Geology and Hydrogeology 47, 65-80.

Sear, D.A., Pattison, I., Collins, A.L., Newson, M.D., Jones, J.I., Naden, P.S. and Carling, P.A. (2014). Factors controlling the temporal variability in dissolved oxygen regime of salmon spawning gravels. Hydrological Processes 28, 86-103.  

Stone, M., Collins, A.L., Silins, U., Emelko, M.B. and Zhang, Y.S. (2014). The use of composite fingerprints to quantify sediment sources in a wildfire impacted landscape, Alberta, Canada. Science of the Total Environment 473-474, 642-650.

Gooday, R.D., Anthony, S.G., Chadwick, D.R., Newell-Price, P., Harris, D., Deuthmann, D., Fish, R., Collins, A.L. and Winter, M. (2014). Modelling the cost-effectiveness of mitigation methods for multiple pollutants at farm scale. Science of the Total Environment 468-469, 1198-1209.

Collins, A.L., Stutter, M. and Kronvang, B. (2014). Mitigating diffuse pollution from agriculture: international approaches and experience. Science of the Total Environment 468-469, 1173-1177.

Roberts, W.M., Matthews, R.A., Blackwell, M.S.A., Peukert, S., Collins, A.L., Stutter, M.I., Haygarth, P.M. (2013). Microbial biomass phosphorus contributions to phosphorus solubility in riparian vegetated buffer strip soils. Biology and Fertility of Soils 49, 1237-1241.

Stone, M., Collins, A.L., Brock, C. and McDonald, D. (2013). Spatial and temporal distribution of PAHs in the North Saskatchewan River, Alberta, Canada. In: Understanding freshwater quality problems in a changing world (pp 294-301). International Association of Hydrological Sciences (IAHS) Publication No. 361, Wallingford, UK.

Arheimer, B., Collins, A., Krysanova, V., Lakshmanan, E., Meybeck, M. and Stone, M. Eds.) (2013). Understanding freshwater quality problems in a changing world. International Association of Hydrological Sciences (IAHS) Publication No. 361, Wallingford, UK, 372 pp. 

Collins, A.L. Williams, L.J., Zhang, Y.S., Marius, M., Dungait, J.A.J. Smallman, D.J., Dixon, E.R., Stringfellow, A., Sear, D.A., Jones, J.I. and Naden, P.S. (2013). Catchment source contributions to the sediment-bound organic matter degrading salmonid spawning gravels in a lowland river, southern England. Science of the Total Environment 456-457, 181-195.

Critchley, C.N.R., Mole, A.C., Towers, J. and Collins, A.L. (2013). Assessing the potential value of riparian buffer strips for biodiversity. Aspects of Applied Biology 118, 101-108.

Collins, A.L., Zhang, Y.S., Duethmann, D., Walling, D.E. and Black, K.S. (2013). Using a novel tracing-tracking framework to source fine-grained sediment loss to watercourses at sub-catchment scale. Hydrological Processes 27, 959-974.

Collins, A.L., Zhang, Y., Hickinbotham, R., Bailey, G., Darlington, S., Grenfell, S.E., Evans, R. and Blackwell, M. (2013). Contemporary fine-grained bed sediment sources across the River Wensum Demonstration Test Catchment, UK. Hydrological Processes 27, 857-884.

Jones, J.I., Murphy, J.F., Collins, A.L., Sear, D.A. and Naden, P.S. (2012). The impact of fine sediment on macro-invertebrates. River Research and Applications 28, 1055-1071.

Jones, J.I., Collins, A.L., Naden, P.S, and Sear, D.A. (2012). The relationship between fine sediment and macrophytes in rivers. River Research and Applications 28, 1006-1018. 

Zhang, Y., Collins, A.L. and Gooday, R.D. (2012). Application of the FARMSCOPER tool for assessing agricultural diffuse pollution mitigation methods across the Hampshire Avon Demonstration Test Catchment, UK. Environmental Science and Policy 24, 120-131.

Collins, A.L., Golosov, V., Horowitz, A.J., Lu, X., Stone, M., Walling, D.E. and Zhang, X. (eds.) (2012). Erosion and sediment yields in the changing environment. International Association of Hydrological Sciences (IAHS) Publication No. 356, Wallingford, UK, 451 pp. 

Zhang, Y., Collins, A.L. and Williams, J. (2012). Dynamics of sediment delivery in drain flow on clay soils across England and Wales. In: Erosion and sediment yields in the changing environment (pp 91-97). International Association of Hydrological Sciences (IAHS) Publication No. 356, Wallingford, UK, 451 pp. 

Collins, A.L., Foster, I., Zhang, Y., Gooday, R., Lee, D., Sear, D., Naden, P. and Jones, I. (2012). Assessing ‘modern background sediment delivery to rivers’ across England and Wales and its use for catchment management. In: Erosion and sediment yields in the changing environment (pp 125-131). International Association of Hydrological Sciences (IAHS) Publication No. 356, Wallingford, UK, 451 pp.

Collins, A.L., Zhang, Y., Walling, D.E., Grenfell, S.E., Smith, P., Grischeff, J., Locke, A., Sweetapple, A. and Brogden, D. (2012). Quantifying fine-grained sediment sources in the River Axe catchment, southwest England: application of a Monte Carlo numerical modelling framework incorporating local and genetic algorithm optimisation. Hydrological Processes 26, 1962-1983.

Allin, D., Stone, M., Silins, U., Emelko, M. and Collins, A.L. (2012). The effects of wildfire on sediment-associated phosphorus forms in the Crowsnest River basin, Alberta, Canada. In: Wildfire and water quality: processes, impacts and challenges (pp 1-8). International Association of Hydrological Sciences (IAHS) Publication No 354, Wallingford, UK, 123 pp. 

Stone, M., Collins, A., Thoms, M. (eds.) (2012). Wildfire and water quality: processes, impacts and challenges. International Association of Hydrological Sciences (IAHS) Publication No 354, Wallingford, UK, 123 pp. 

Zhang, Y.S., Collins, A.L. and Horowitz, A.J. (2012). A preliminary assessment of the spatial sources of contemporary suspended sediment in the Ohio River basin, United States, using water quality data from the NASQAN programme in a source tracing procedure. Hydrological Processes 26, 326-334.

Collins, A.L., Zhang, Y., McChesney, D., Walling, D.E., Haley, S.M. and Smith, P. (2012). Sediment source tracing in a lowland agricultural catchment in southern England using a modified procedure combining statistical analysis and numerical modelling.  Science of the Total Environment 414, 301-317.

Kemp, P., Sear, D., Collins, A., Naden, P. and Jones, I. (2011). The impacts of fine sediment on riverine fish. Hydrological Processes 25, 1800-1821.

Collins, A.L. Naden, P.S., Sear, D.A., Jones, J.I., Foster, I.D.L. and Morrow, K. (2011). Sediment targets for informing river catchment management: international experience and prospects. Hydrological Processes 25, 2112-2129.

Foster, I.D.L., Collins, A.L., Naden, P.S., Sear, D.A., Jones, J.I. and Zhang, Y. (2011). The potential for palaeolimnology to determine historic sediment delivery to rivers. Journal of Paleolimnology 45, 287-306.

Collins, A.L., Zhang, Y., Walling, D.E., Grenfell, S.E. and Smith, P. (2010). Tracing sediment loss from eroding farm tracks using a geochemical fingerprinting procedure combining local and genetic algorithm optimisation. Science of the Total Environment 408, 5461-5471.

Collins, A.L., Walling, D.E., Stroud, R.W., Robson, M. and Peet, L.M. (2010). Assessing damaged road verges as a suspended sediment source in the Hampshire Avon catchment, southern United Kingdom. Hydrological Processes 24, 1106-1122.

Zhang, Y., Collins, A.L., Horowitz, A.J. (2010). Tracing spatial sources of suspended sediment in the Ohio River basin, USA, using water quality data from the NASQAN programme. In: Sediment dynamics for a changing future (pp 291-299). International Association of Hydrological Sciences Publication No. 337, Wallingford, UK.

Collins, A.L., Zhang, Y., Walling, D.E. and Black, K. (2010). Apportioning sediment sources in a grassland dominated agricultural catchment in the UK using a new tracing framework. In: Sediment dynamics for a changing future (pp 68-75). International Association of Hydrological Sciences Publication No. 337, Wallingford, UK.

Collins, A.L., Walling, D.E., McMellin, G.K., Zhang, Y., Gray, J., McGonigle, D., Cherrington, R. (2010). A preliminary investigation of the efficacy of riparian fencing schemes for reducing contributions from eroding channel banks to the siltation of salmonid spawning gravels across the south west UK.  Journal of Environmental Management 91, 1341-1349.

Collins, A.L., Walling, D.E., Webb, L. and King, P. (2010). Apportioning catchment scale sediment sources using a modified composite fingerprinting technique incorporating property weightings and prior information. Geoderma 155, 249-261.

Collins, A.L., Walling, D.E., McMellin, G.K., Zhang, Y., Gray, J., McGonigle, D.F., Cherrington, R. (2010). The efficacy of stream fencing for reducing sediment inputs from eroding channel banks to salmonid spawning gravels at catchment scale. In: Crighton, K. and Audsley, R. (eds) Climate, water and soil: science, policy and practice (pp 83-88), Proceedings of the SAC and SEPA Biennial Conference, Edinburgh, 2010.

Collins, A.L., Anthony, S.G., Hawley, J. and Turner, T. (2009). The potential impact of projected change in farming by 2015 on the importance of the agricultural sector as a sediment source in England and Wales. Catena 79, 243-250.

Collins, A.L., Hughes, G., Zhang, Y. and Whitehead, J. (2009). Mitigating diffuse water pollution from agriculture: riparian buffer strip performance with width. CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources 4, No. 039.

Collins, A.L., Walling, D.E., Webb, L. and King, P. (2009). Particulate organic carbon sources and delivery to river channels in the Somerset Levels ECSFDI priority catchment, southwest UK. International Journal of River Basin Management 7, 277-291.

Anthony, S.A., Silgram, M., Collins, A.L. and Fawcett, L.E. (2009). EveNFlow: catchment river water quality modelling for policy support. International Journal of River Basin Management 7, 259-275.

Collins, A.L. and Davison, P.S. (2009). Mitigating sediment delivery to watercourses during the salmonid spawning season: potential effects of delayed wheelings and cover crops in a chalk catchment, southern England. International Journal of River Basin Management 7, 209-220.

Collins, A.L., McGonigle, D.F., Evans, R., Zhang, Y., Duethmann, D. and Gooday, R. (2009). Emerging priorities in the management of diffuse pollution at catchment scale. International Journal of River Basin Management 7, 179-185.

Collins, A.L. (ed.) (2009). Recent progress in understanding and managing diffuse pollution at catchment scale. International Journal of River Basin Management 7, pp 292.

Collins, A.L., Anthony, S.G., Hawley, J. and Turner, T. (2009). Predicting potential change in agricultural sediment inputs to rivers across England and Wales by 2015. Marine and Freshwater Research 60, 626-637.

Ballantine, D.J., Walling, D.E., Collins, A.L. and Leeks, G.J.L. (2009). The content and storage of phosphorus in fine-grained channel bed sediment in contrasting lowland agricultural catchments in the UK. Geoderma 151, 141-149.

Silgram, M., Anthony, S.G., Collins, A.L., Stromqvist, J., Bouraoui, F., Schoumans, O., Lo Porto, A., Groenendijk, P., Arheimer, B., Ejhed, H., Mimikou, M. and Johnsson, H. (2009). Evaluation of diffuse pollution model applications in EUROHARP catchments with limited data. Journal of Environmental Monitoring 11, 554-571.

Collins, A.L. and Anthony, S.G. (2008). Predicting sediment inputs to aquatic ecosystems across England and Wales due to current environmental conditions. Applied Geography 28, 281-294.

Ballantine, D.J., Walling, D.E., Collins, A.L. and Leeks, G.J.L. (2008). The phosphorus content of fluvial suspended sediment in three lowland groundwater-dominated catchments. Journal of Hydrology 357, 140-151.

Collins, A.L., Walling, D.E. and Peet, L. (2008). Identifying gravel siltation sources. Salmo Trutta 11, 26-28.

Collins, A.L. and Anthony, S.G. (2008). Assessing the likelihood of catchments across England and Wales meeting ‘good ecological status’ due to sediment contributions from agricultural sources. Environmental Science and Policy 11, 163-170.

Walling, D.E. and Collins, A.L. (2008). The catchment sediment budget as a management tool. Environmental Science and Policy 11, 136-143.

Collins, A.L. and McGonigle, D.F. (2008). Monitoring and modelling diffuse pollution from agriculture for policy support: UK and European experience. Environmental Science and Policy 11, 97-101.

Collins, A.L. (ed.) (2008). Monitoring and modelling diffuse pollution from agriculture for policy support: UK and European experience. Environmental Science and Policy 11.

Stromqvist, J., Collins, A.L., Davison, P.S., and Lord, E.I. (2008). PSYCHIC – a process-based model of phosphorus and sediment transfers within agricultural catchments. Part 2. A preliminary evaluation. Journal of Hydrology 350, 303-316.

Walling, D.E., Collins, A.L. and Stroud, R. (2008). Tracing suspended sediment and particulate phosphorus sources in catchments. Journal of Hydrology 350, 274-289.

Davison, P.S., Anthony, S.G., Collins, A.L. and Stromqvist, J. (2007). Predicting phosphorus transfers within agricultural catchments across England and Wales using the PSYCHIC model. In: Heckrath, G., Rubaek, G.H. and Kronvang, B. (eds) Diffuse phosphorus loss: risk assessment, mitigation options and ecological effects in river basins (pp 219-221), Proceedings of the 5th International Phosphorus Workshop, Silkeborg, Denmark.

Collins, A.L., Stromqvist, J., Davison, P.S. and Lord, E.I. (2007). Appraisal of phosphorus and sediment transfer in three pilot areas identified for the Catchment Sensitive Farming initiative in England: application of the prototype PSYCHIC model. Soil Use and Management 23, 117-132.

Collins, A.L., Anthony, S.G., Turner, T. and Hawley, J. (2007). Predicting the impact of projected change in agriculture by 2015 on annual mean fluvial suspended sediment concentrations across England and Wales. In: Water Quality and sediment behaviour of the future: predictions for the 21st century (pp 28-37), International Association of Hydrological Sciences Publication No. 314, Wallingford, UK.

Collins, A.L. and Walling, D.E. (2007). Sources of fine sediment recovered from the channel bed of lowland groundwater-fed catchments in the UK. Geomorphology 88, 120-138.

Collins, A.L. and Davison, P.S. (2007). Unblocking the redds: mitigating sediment delivery to watercourses during the salmonid spawning season. Salmo Trutta 10, 53-55.

Collins, A.L. and Walling, D.E. (2007). The storage and provenance of fine sediment on the channel bed of two contrasting lowland permeable catchments, UK. River Research and Applications 23, 429-450.

Collins, A.L. and Walling, D.E. (2007). Fine-grained bed sediment storage within the main channel systems of the Frome and Piddle catchments, Dorset, UK. Hydrological Processes 21, 1448-1459.

Ballantine, D.J., Walling, D.E., Collins, A.L. and Leeks, G.J.L. (2006). Phosphorus storage in fine channel bed sediments. Water Air and Soil Pollution: Focus 6, 371-380.

Walling, D.E., Collins, A.L., Jones, P.A., Leeks, G.J.L. and Old, G. (2006). Establishing the fine-grained sediment budgets of the Pang and Lambourn LOCAR study catchments. Journal of Hydrology 330, 126-141.

Collins, A.L. and Walling, D.E. (2006). Investigation of the remobilization of fine sediment stored on the channel bed of lowland permeable catchments in the UK. In: Sediment dynamics and the hydromorphology of the fluvial system (pp 471-479), International Association of Hydrological Sciences Publication No. 306, Wallingford, UK.

Collins, A.L., Walling, D.E. and Leeks, G.J.L. (2005). Storage of fine-grained sediment and associated contaminants within the channels of lowland permeable catchments in the UK. In: Sediment Budgets 1 (pp 259-268), International Association of Hydrological Sciences Publication No. 291, Wallingford, UK.