Publications and theses

Vermaat, Jan & Thiemer, Kirstine & Immerzeel, Bart & Schneider, Susanne & Sebola, Keneilwe & Coetzee, Julie & Petruzzella, Antonella & Motitsoe, Samuel & Baldo, Mathieu & Misteli, Benjamin & Thiebaut, Gabrielle & Hilt, Sabine & Köhler, Jan & Harpenslager, Sarah. (2023). Mass development of aquatic plants: Effects of contrasting management scenarios on a suite of ecosystem services. Journal of Applied Ecology. https://doi.org/10.1111/1365-2664.14539

Benoît O.L. Demars, Peter Dörsch (2023) Estimation of ecosystem respiration and photosynthesis in supersaturated stream water downstream of a hydropower plant. Water Research, Volume 247, https://doi.org/10.1016/j.watres.2023.120842.

Pathak D. & Demars B.O.L. (2023) Metabolism modelling in rivers with unsteady flow conditions and transient storage zones. Journal of Geophysical Research: Biogeosciences 128, e2022JG007245. https://doi.org/10.1029/2022JG007245

Thiemer, K., Immerzeel, B., Schneider, S., Sebola, K., Julie Coetzee, J., Baldo, M., Thiebaut, G., Hilt, S., Köhler, J., Harpenslager, S.F., Vermaat, J.E. (2023). Drivers of Perceived Nuisance Growth by Aquatic Plants. Environmental Management. https://doi.org/10.1007/s00267-022-01781-x.

Misteli, B., Pannard, A., Aasland, E., Harpenslager, S. F., Motitsoe, S., Thiemer, K., Llopis, S., Coetzee, J., Hilt, S., Köhler, J., Schneider, S. C., Piscart, C., Thiebaut, G. (2023). Short-term effects of macrophyte removal on aquatic biodiversity in rivers and lakes. Journal of Environmental Management 325 (2023) https://hal.archives-ouvertes.fr/hal-03827323

Harpenslager, S., Thiemer, K., Levertz, C., Misteli, B., Sebola, K., Schneider, S.C., Hilt, S., Köhler, J. (2022). Short-term effects of macrophyte removal on emissions of CO₂ and CH₄ in shallow lakes. Aquatic Botany 182, 103555. https://doi.org/10.1016/j.aquabot.2022.103555.

Misteli B., Pannard A., Labat F., Fosso L. K., Baso N. C., Harpenslager S. F., Motitsoe S. N., Thiebaut G., Piscart, C. (2022). How invasive macrophytes affect macroinvertebrate assemblages and sampling efficiency: Results from a multinational survey. Limnologica 96, 125998. https://hal.archives-ouvertes.fr/hal-03729123

Thiemer, K. (2022). Mass development of macrophytes – causes and consequences of macrophyte removal for ecosystem structure, function and services. PhD thesis. Norwegian University of Life Sciences, Faculty of Environmental Sciences and Natural Resource Management.

Thiemer, K., Lennox, R.J., Haugen T.O. (2022). Influence of dense macrophyte vegetation and total gas saturation on the performance of acoustic telemetry. Animal Biotelemetry. 10, 4.

Aasland, E. (2021). The impact of macrophyte removal on macroinvertebrates in the river Otra, Norway. Master thesis. Norwegian University of Life Sciences.

Torske, A. (2021). Effects of macrophyte removal on habitat use of brown trout (Salmo trutta). Master thesis. Norwegian University of Life Sciences.

Bergan, E. (2021). Effect of macrophyte removal on CO₂ emissions in the river Otra, Norway. Master thesis. Norwegian University of Life Sciences.

Thiemer, K., Schneider, S.C., Demars, B.O.L. (2021). Mechanical removal of macrophytes in freshwater ecosystems: Implications for ecosystem structure and functions.Science of the Total Environment 782, 146671.

In September 2020, Sarah Faye Harpenslager, postdoc at Leibniz-Institute of Freshwater Ecology and Inland Fisheries, introduced the MadMacs project in a series of tweets. Learn more about the mass development of aquatic plants here (link to Twitter thread).

Pictures and news from the macrophyte removal events

In July 2020, the invasive plant Ludwigia was removed in Lake Grand-Lieu, France. Learn more about the macrophyte removal and its impacts on biodiversity here.

In July 2020, Elodea nuttallii was removed in Lake Kemnade, Germany. More information about the field work and first results here.

In June 2020, large amounts of submerged Juncus bulbosus plants were removed in the Otra river at Rysstad. Learn more about the field work and see the first results here.

In January 2020, large amounts of water hyacinth (Eichhornia/Pontederia crassipes) were removed from Hartbeespoort dam, South Africa. Learn more about the background of the mass development, and see pictures of the field work and first results here.