Brian Huser

My research interests center around the interaction between phosphorus and metals in surface waters and lake sediments. Phosphorus supply in nutrient rich, eutrophic lakes is generally dominated by internal loading of phosphorus from the sediment (also called legacy phosphorus) that has accumulated in sediment over decades of excess inputs from the surrounding watershed. Even after these external nutrient sources have been controlled, internal loading of phosphorus can continue to fuel algal blooms and decrease water quality. Through my research I attempt to further our understanding of in-lake nutrient cycling and to use this information to improve established methods and develop new tools to restore eutrophic lakes.

EU Life IP Rich Waters/LOVA Race for the Baltic: The main part of the Life project has been completed, with a number of contributations to the lake restoration field being produced, including the of the Handbook for measures against internal phosphorus loading (in Swedish). There are many eutrophic coastal bays around the Baltic Sea where it is challenging to determine nutrient sources accurately and thus developement of restoration measures is difficult. To improve on this, a colloaboration with Race for the Baltic was formed to extend the work in the EU Life project. This project, supported by LOVA funding, is designed to fix this problem via developement of measurment and modeling methods adapted to coastal bays that have exchange of water and nutrients with the Baltic Sea. This will also lead to further development of the handbook mentiioned above.

Legacy phosphorus in sediment - the last hurdle to overcome for sustainable lake restoration (FORMAS): This project will address critical knowledge gaps for the sustainable management of legacy phosphorus (internal loading of sediment P). We will determine degradation rates of different organic phosphorus forms in lake sediment and link sediment chemistry and phosphorus fractions to internal loading.  This will allow us to develop tools for lake managers to better estimate internal loading of phosphorus in lakes and reduce the risk for restoration failures in the future when attempting to manage this legacy phosphorus source.

Carp and Carbon: Climate Change and Ecological and Economic Benefits: This project is looking at how the invasive common carp (C. carpio) affects water quality, sediment, and greenhouse gas production and emission from lakes. 18 lakes, with and without carp, in Minnesota (US) are included and work involves measurement of ebulition and diffusive fluxes of GGHs, analysis of sediment pysiochemical properties, fish and macrophyte surveys, and measurement of water quality variables. The main goal is to provide analyses that gives lake managers, governmental agencies, tribes, and policy makers the applied tools they can use to determine how to optimally apply carp management to infested lakes and other water bodies.

Other ongoing work:

• Background concentrations, long term trends and modeling of metals and phosphorus in rivers and lakes across Sweden and other areas in the Arctic.
• Developing and advancing methods used to reduce excess internal nutrient loading in lake restoration and management projects.
• Determining impacts of open cage fish farming on sediment and water quality, and how long it takes for these systems to recover to a natural state after cessation of farming.

2016. Docent in Environmental Assessment. Sveriges lantbruksuniversitet, Dept. of Aquatic Sciences and Assessment.

2010. Researcher, Geochemistry. Sveriges lantbruksuniversitet, Dept. of Aquatic Sciences and Assessment.

2005-2015. Limnologist/Water Resources Engineer, Barr Engineering. Minneapolis, MN.

2005. Ph.D. Water Resources Science, University of Minnesota. Thesis title: Phosphorus sorption by sediments in acidic and eutrophic lakes.

1999. M.S. Civil and Environmetnal Engineering, University of Washington. Thesis title: Phosphorus sorption capacity of aluminum in alum treated lake sediments.

Nilsson, J. L., Camiolo, S., Huser, B., Agstam-Norlin, O., & Futter, M. 2024. Widespread and persistent oligotrophication of northern rivers. Science of the Total Environment, 955, 177261.

Belle, S., Huser, B., and  Johnson, R. 2024. Cumulative effects of climate change and land use on the ecological status of Scandinavian lakes show contrasted interactions in different ecoregions: the role of pre-disturbance conditions in assessing ecological status. Ecological Indicators, Volume 169, 2024, 112879.

Eklöf, K., von Brömssen, C., Huser, B., Åkerblom, S., Augustaitis, A., Braaten, H. F. V., ... & Vuorenmaa, J. 2024. Trends in mercury, lead and cadmium concentrations in 27 European streams and rivers: 2000–2020. Environmental pollution, 360, 124761.

Tammeorg, O., Chorus, I., Spears, B., Nõges, P., Nürnberg, G. K., Tammeorg, P., ... & Lürling, M. 2024. Sustainable lake restoration: From challenges to solutions. Wiley Interdisciplinary Reviews: Water, 11(2), e1689.

Kuster, A. C., Huser, B. J., Thongdamrongtham, S., Patra, S., Padungthon, S., & Kuster, A. T. 2023. A model for predicting reduction in mobile phosphorus of lake sediment by aluminum drinking water treatment residuals. Water Research, 232, 119677.

Goedkoop, W., Futter, M., Huser, B., Agstam-Norlin, O., CP Lau, D. 2024. REFINE – Förbättrad bedömning av klimatpåverkan och närsaltsförändringar i fjällsjöar : Analys av storskalig klimatinducerad oligotrofiering och risk för lokal eutrofieringspåverkan som följd av ökad exploatering. Naturvårdsverket (Swedish EPA) report: https://urn.kb.se/resolve?urn=urn:nbn:se:naturvardsverket:diva-11129.

Huser, B., Malmaeus, M., Karlsson, M., Almstrand, R., & Witter, E. (2023). Handbook–a decision support tool for measures against internal phosphorus loading in lakes. Swedish Agency for Marine and Water Management report. 56 pages.

Huser, B. J., Bajer, P. G., Kittelson, S., Christenson, S., & Menken, K. 2022. Changes to water quality and sediment phosphorus forms in a shallow, eutrophic lake after removal of common carp (Cyprinus carpio). Inland Waters, 12(1), 33-46.

Kuster, A. C., Pilgrim, K. M., Kuster, A. T., & Huser, B. J. 2022. Field application of spent lime water treatment residual for the removal of phosphorus and other pollutants in urban stormwater runoff. Water, 14(13), 2135.

Kuster, A. C., Huser, B. J., Padungthon, S., Junggoth, R., & Kuster, A. T. 2021. Washing and heat treatment of aluminum-based drinking water treatment residuals to optimize phosphorus sorption and nitrogen leaching: Considerations for lake restoration. Water, 13(18), 2465.

Kuster, A. C., Huser, B. J., Thongdamrongtham, S., Padungthon, S., Junggoth, R., & Kuster, A. T. 2021. Drinking water treatment residual as a ballast to sink Microcystis cyanobacteria and inactivate phosphorus in tropical lake water. Water Research, 207, 117792.

Agstam-Norlin, O., Lannergård, E. E., Rydin, E., Futter, M. N., & Huser, B. J. 2021. A 25-year retrospective analysis of factors influencing success of aluminum treatment for lake restoration. Water Research, 200, 117267.

Thongdam, S., Kuster, A. C., Huser, B. J., & Kuster, A. T. 2021. Low Dose Coagulant and Local Soil Ballast Effectively Remove Cyanobacteria (Microcystis) from Tropical Lake Water without Cell Damage. Water 2021, 13, 111.

Jilbert, T., Couture, R. M., Huser, B. J., & Salonen, K. 2020. Preface: Restoration of eutrophic lakes: current practices and future challenges. Hydrobiologia, 847(21), 4343-4357.

Agstam-Norlin, O., Lannergård, E. E., Futter, M. N., & Huser, B. J. 2020. Optimization of aluminum treatment efficiency to control internal phosphorus loading in eutrophic lakes. Water Research, 185, 116150.

Kuster, A. C., Kuster, A. T., & Huser, B. J. 2020. A comparison of aluminum dosing methods for reducing sediment phosphorus release in lakes. Journal of environmental management, 261, 110195.

Lannergård, E. E., Agstam‐Norlin, O., Huser, B. J., Sandström, S., Rakovic, J., & Futter, M. N. 2020. New insights into legacy phosphorus from fractionation of streambed sediment. Journal of Geophysical Research: Biogeosciences, 125(9), e2020JG005763.

Huser, B. J., Futter, M. N., Bogan, D., Brittain, J. E., Culp, J. M., Goedkoop, W., ... & Lento, J. 2020. Spatial and temporal variation in Arctic freshwater chemistry—Reflecting climate‐induced landscape alterations and a changing template for biodiversity. Freshwater Biology.

Huser, B.J., Malmaeus, M., Witter, E., Wilander, A., Ryding, E. 2020. Accumulation of Legacy Sediment Phosphorus in Lake Hjälmaren, Sweden: Consequences for Lake Restoration. In: Internal Phosphorus Loading in Lakes: Causes, Case Studies, and Management. Eds, B. Spears and A. Steinman. J. Ross Publishing. 464 pp.

Huser, B.J., Futter, M.N., Wang, R. and Fölster, J. 2018. Persistent and widespread long-term phosphorus declines in boreal lakes in sweden. Sci Total Environ 613-614, 240-249.

Spears, B.M., Futter, M.N., Jeppesen, E., Huser, B.J., Ives, S., Davidson, T.A., Adrian, R., Angeler, D.G., Burthe, S.J., Carvalho, L., Daunt, F., Gsell, A.S., Hessen, D.O., Janssen, A.B.G., Mackay, E.B., May, L., Moorhouse, H., Olsen, S., Søndergaard, M., Woods, H. and Thackeray, S.J. 2017. Ecological resilience in lakes and the conjunction fallacy. Nature Ecology & Evolution 1(11), 1616-1624.

Huser, B.J. 2017. Aluminum application to restore water quality in eutrophic lakes: Maximizing binding efficiency between aluminum and phosphorus. Lake Reserv Manage 33(2), 143-151.

Schütz, J., Rydin, E. and Huser, B.J. 2017. A newly developed injection method for aluminum treatment in eutrophic lakes: Effects on water quality and phosphorus binding efficiency. Lake Reserv Manage 33(2), 152-162.

Huser, B., Löfgren, S. and Markensten, H., 2016. Internbelastning av fosfor i svenska sjöar och kustområden. SLU rapport No. 2016: 6.

Huser B.J., Egemose S., Harper H., Hupfer M., Jensen H., Pilgrim K.M., Reitzel K., Rydin E., Futter M. 2016. Longevity and effectiveness of aluminum addition to reduce sediment phosphorus release and restore lake water quality. Water Res. 97:122-132.

Huser B.J., Futter M., Lee J.T., Perniel M. 2016. In-lake measures for phosphorus control: The most feasible and cost-effective solution for long-term management of water quality in urban lakes? Water Res. 97:142-152.

Spears, B. M., Carvalho, L., Futter, M. N., May, L., Thackeray, S. J., Adrian, R., Angeler, D. G., Burthe, S. J., Davidson, T. A., Daunt, F., Gsell, A. S., Hesseni, D. O., Moorhouse, H., Huser, B., Ives, S. C., Janssen, A. B. G., Mackay, E. B., Sondergaard, M. and Jeppesen, E. 2016. Ecological Instability in Lakes: A Predictable Condition? Environ Sci Technol. 50(7):3285.

Huser B.J., Bajer P.G., Chizinski C.J., Sorensen P.W. 2016. Effects of common carp (Cyprinus carpio) on sediment mixing depth and mobile phosphorus mass in the active sediment layer of a shallow lake. Hydrobiologia. 763(1):23-33.

Huser B, Bartels P. 2015. Feeding Ecology of Carp. In: Pietsch C, Hirsch PE, editors. Biology and Ecology of Carp. CRC Press. p. 217-243.

Qian, H. and Huser, B.J. 2014. Anthropogenic oligotrophication via liming: long-term phosphorus trends in acidified, limed and neutral reference lakes in Sweden. Ambio, 43(1): 104-112. DOI: 10.1007/s13280-014-0573-0.

Mackay, E.B., Maberly, C.S., Gang, P., Reitzel, K., Bruere, A., Corker, N., Douglas, G., Egemose, S., Hamilton, D., Hatton-Ellis, T., Huser, B., Li, W., Meis, S., Moss, B., Lürling, M., Phillips, G., Yasseri, S., Spears, B.M. 2014. Geoengineering in lakes: welcome attraction or fatal distraction? Inland Waters, 4(4): 349-356. DOI: 10.5268/IW-4.4.769.

Huser, B.J. and K.M. Pilgrim. 2014. A simple model for predicting aluminum bound phosphorus formation and internal loading reduction in lakes after aluminum addition to lake sediment. Water Research, 53: 378-385. DOI: 10.1016/j.watres.2014.01.062.

Huser, B.J. and J. Fölster. 2013. Prediction of Reference Phosphorus Concentrations in Swedish Lakes. Environ. Sci. Technol., 47(4): 1809-1815. DOI: 10.1021/es3040413.

Huser, B.J., Fölster, J. and Köhler, S.J. 2012. Lead, zinc, and chromium concentrations in acidic headwater streams in Sweden explained by chemical, climatic, and land-use variations. Biogeosciences, 9: 4323-4335. DOI:10.5194/bg-9-4323-2012.

Huser, B.J. 2012. Variability in phosphorus binding by aluminum in alum treated lakes explained by lake morphology and aluminum dose. Water Researcg, 46(15): 4697-4704. DOI: 10.1016/j.watres.2012.06.005.

Huser, B.J., Köhler, S.J., Wilander, A., Johansson, K. and Fölster, J. 2011. Temporal and spatial trends for trace metals in streams and rivers across Sweden (1996-2009). Biogeosciences, 8: 1813-1823. DOI 10.5194/bg-8-1813-2011.

Huser, B.J., Brezonik, P.L. and Newman, R.M. 2011. Effects of alum treatment on water quality and sediment in the Minneapolis Chain of Lakes, Minnesota, USA. Lake Reserv. Manage., 27(3): 220-228. DOI:10.1080/07438141.2011.601400

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