Multiple effects of land-use changes impede the colonization of open water in fen ponds
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Journal of Vegetation Science (2011) 22: 551-563

Early warning indicators for river nutrient and sediment loads in tropical seagrass beds: A benchmark from a near-pristine archipelago in Indonesia
M.M. Van Katwijk, M.E.W. Van der Welle, E.C.H.E.T. Lucassen, J.A. Vonk, M.J.A. Christianen, W. Kiswara, I.I. Al Hakim, A. Arifin, T.J. Bouma, J.G.M. Roelofs, L.P.M. Lamers

Marine Pollution Bulletin (2011) 62: 1512-1520.