Emmer, I. M., Wessel, W. W., Kooijman, A. M., Sevink, J., & Fanta, J. (1999). A study of past and future soil cahnges in the Krkonose Mountains (Czech Republic) based on historical data and scenario analysis. Fysische geografie - UvA.
Kooijman, A. M., Fanta, J., Emmer, I. M., Kobus, A. J. TH., & Sevink, J. (1999). Natural development of heavily degraded forest ecosystems and clear-cuts in the Krkonose Mountains, Czech Republic. UvA, FGBL.
Sevink, J. (1999). Nader onderzoek gebied Tolhuislaan/Paltzerweg, Bosch en Duin, Gemeente Zeist. UvA, FGBL.
Heredia, R., Fehse, J., Nie, D., Tonneijck, F., Hofstede, R. G. M., & Sevink, J. (1999). Monitoreo del comportamiento de plantaciones con especies nativas y una especie exotica en la sierra alta de Ecuador. UvA, FGBL.
Hofstede, R. G. M., & Sevink, J. (1999). Phytomass and carbon dynamics related to forestry activities in the High Andes of Ecuador. An interpretation of data collected by the Ecopar Project 1996 - 1998. Ecopar.
Fehse, J., Paladines, C., de Nie, N., Sevink, J., & Hofstede, R. G. M. (1999). La productividad de cuatro bosques secundarios en la Sierra del Ecuador.Report Ecopar. Ecopar.
Emmer, I. M., Sevink, J., Hrebacka, J., & Fanta, J. (1999). Restoration of forest ecosystems in the Krkonose National Park, Czech Republic. UvA, FGBL.
Droesen, W. J. (1999). Spatial modelling and monitoring of natural landscapes with cases in the Amsterdam Waterworks dunes. [Thesis, internally prepared, Universiteit Wageningen].
Tobon-Marin, C. (1999). Monitoring and modelling hydrological fluxes in support of nutrient cycling studies in Amazonian rain forest ecosystems. [Thesis, externally prepared, Universiteit van Amsterdam]. Stichting Tropenbos.
Sevink, J., & Imeson, A. C. (1998). Understanding and Combating Desertification under Global Change. Land Degradation & Development, 9(5), 373-373.
