Dennis Trolle


Past PhD student

Dennis Trolle arrived from Denmark in early 2006 to start a PhD study, in which he aimed to develop and apply complex lake ecosystem models. The main objective of his study was to use these models to predict outcomes of different lake restoration approaches, and to quantify effects of future climate change on lake water quality. To help evaluate the performance of the models, which includes a new sediment diagenesis model, Dennis has conducted a sediment field study on 14 different lakes, most of them within the Bay of Plenty Region, New Zealand. He will apply the ecosystem models to Lake Okareka, Lake Rotoehu and Lake Ellesmere, New Zealand, as well as three Danish lakes.


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Journal, book, and conference publications

Wolf, W. M., Trolle, D., Jeppesen, E., Arhonditsis, G., Belolipetsky, P. V., Chitamwebwa, D. B. R., Degermendzhy, A. G., DeAngelis, D. L., De Senerpont, Domis L. N., Downing, A. S., Elliott, J. A., Fragoso, Jr C. R., Gaedke, U., Genova, S. N., Gulati, R. D., Håkanson, L., Hamilton, D. P., Hipsey, M. R., ‘t Hoen, J., Hülsmann, S., Los, F. J., Makler-Pick, V., Petzoldt, T., Prokopkin, I. G., Rinke ,K., Schep, S. A., Tominaga, K., Van Dam, A. A., Van Nes, E. H., Wells, S. A. and J. H. Janse. 2010: Challenges and opportunities for integrating lake ecosystem modelling approaches. Aquatic Ecology 44(3): 633-667. Read abstract.

Özkundakci, D., Hamilton, D. P. and D. Trolle, 2010. Modelling the response of a highly eutrophic lake to reductions in external and internal nutrient loading. New Zealand Journal of Marine and Freshwater Research, accepted.

Trolle, D., Hamilton, D.P. and Pilditch, C.A. 2010. Evaluating the influence of lake morphology, trophic status and diagenesis on geochemical profiles in lake sediments. Appl. Geochem., 25:621-632. doi:10.1016/j.apgeochem.2010.01.003 (Read abstract)

Trolle, D., Zhu, G., Hamilton, D.P., Luo, L., McBride, C. and Zhang, L. 2009: The influence of water quality and sediment geochemistry on the horizontal and vertical distribution of phosphorus and nitrogen in sediments of a large, shallow lake. Hydrobiologia 627: 31-44. (Read abstract)

Trolle, D., Hamilton, D.P., Hendy, C. and Pilditch, C., 2008. Sediment and nutrient accumulation rates in sediments of twelve New Zealand lakes: Influence of lake morphology, catchment characteristics and trophic state. Marine & Freshwater Research, 59:1067 - 1078.

Trolle, D., Skovgaard, H. and Jeppesen, E., 2008. The Water Framework Directive: Setting the phosphorus loading target for a deep lake in Denmark using the 1D lake ecosystem model DYRESM-CAEDYM. Ecological Modelling, 219: 138-152.

Trolle, D., Jorgensen, T.B. and Jeppesen, E., 2008. Predicting the effects of reduced external nitrogen loading on the nitrogen dynamics and ecological state of deep Lake Ravn, Denmark, using the DYRESM-CAEDYM model. Limnologica, 38: 220-232.

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