Rik Zoomer

Presently working at the Faculteit der Aard- en Levenswetenschappen, Voeding en Gezondheid of the Vrije Universiteit in Amsterdam.

e-mail: rik.zoomer@falw.vu.nl

Projects

• Microbial ecology of nitrogen mineralisation processes in forest soils
• Decomposition and accumulation of organic matter in terrestrial ecosystems: WEKPAD: a foodweb study in Wekerom

Techniques

• Autoanalyser N, P

Publications

• R.R.E. Vernimmen, H.A. Verhoef, J.M. Verstraten, L.A. Bruijnzeel, N.S. Klomp, H.R. Zoomer and P.E. Wartenbergh (2007) Nitrogen mineralization, nitrification and denitrification potential in contrasting lowland rain forest types in Central Kalimantan, Indonesia. Soil Biol. Biochem.39: 2992-3003.
• R.A. Nugroho, W.F.M. Röling, A.M. Laverman, H.R. Zoomer, H.A. Verhoef (2005) Presence of Nitrosospira cluster 2 bacteria corresponds to N transformation rates in nine acid Scots pine forest soils. FEMS Microbiol. Ecol.53: 473-481.
• G.B. de Deyn, C.E. Raaijmakers, H.R. Zoomer, M.P. Berg, P.C. de Ruiter, H.A. Verhoef, T.M. Bezemer and W.H. van der Putten (2003) Soil invertebrate fauna enhances grassland succession and diversity. Nature422: 711-713.
• A.M. Laverman, H.R. Zoomer and H.A. Verhoef (2001) The effect of oxygen, pH and organic carbon on soil-layer specific denitrifying capacity in acid coniferous forest. Soil Biol. Biochem.33: 683-687.
• D. Lavy, M.J. van Rijn, H.R. Zoomer and H.A. Verhoef (2001) Dietary effects on growth, reproduction, body composition and stress resistance in the terrestrial isopods Oniscus asellus and Porcellio scaber. Physiol. Entomol.26: 18-25.
• A.M. Laverman, H.R. Zoomer, D. Engelbrecht, M.P. Berg, N.M. van Straalen, H.W. van Verseveld and H.A. Verhoef (2000) Soil layer-specific variability in net nitrification and denitrification in an acid coniferous forest. Biol. Fert. Soils32: 427-434.
• A.M. Laverman, H.R. Zoomer, H.W. van Verseveld and H.A. Verhoef (2000) Temporal and spatial variation of nitrogen transformations in a coniferous soil. Soil Biol. Biochem.32: 1661-1670.
• H.A. Verhoef, J.M.H. Verspagen and H.R. Zoomer (2000) Direct and indirect effects of ultraviolet-B radiation on soil biota, decomposition and nutrient fluxes in dune grassland soil systems. Biol. Fert. Soils31: 366-371.
• M.P. Berg, J.P. Kniese, H.R. Zoomer and H.A. Verhoef (1998) Long-term decomposition of successive organic strata in a nitrogen saturated Scots pine forest soil. Forest Ecol. Manag.107: 159-172.
• R.F. Hogervorst, H.R. Zoomer and H.A. Verhoef (1998) Decomposition and microflora changes in spruce-forested catchments at Gårdsjön following reduced acidic deposition. In: Experimental Reversal of Acid Rain Effects: The Gårdsjön Roof Project (eds. H. Hultberg and R. Skeffington), pp. 293-306, John Wiley & Sons Ltd., New York.
• H.A. Verhoef, F.G. Dorel, H.R. Zoomer and S. Meintser (1993). Effects of anthropogenic N-deposition on soil fauna-microbe interactions and the impact on decomposition pathways. Mitt. d. Österr. Bodenkundlichen Gesellschaft47: 79-81.
• H.A. Verhoef, F.G. Dorel, H.R. Zoomer and S. Meintser (1992). Effects of nitrogen deposition on nutrient cycling and soil biota in coniferous forest soils in The Netherlands; a microcosm approach. In: Reponses of Forest Ecosystems to Environmental Changes (eds. A. Teller, P. Mathy and J.N.R. Jeffers). Elsevier Applied Science, London, pp. 715-716.
• H.A. Verhoef, Dorel, F.G., Zoomer, H.R. and Meintser, S. (1990). Effects of nitrogen deposition on nutrient cycling and soil biota in coniferous forest soils in the Netherlands. In: International Congress on Forest Decline Research: State of Knowledge and Perspectives. Friedrichshafen, B.R.D.
• H.A. Verhoef, F.G. Dorel and H.R. Zoomer (1989). Effects of nitrogen deposition on animal-mediated nitrogen mobilization in coniferous litter. Biol. Fert. Soil8: 255-259.
• H.A. Verhoef, F.G. Dorel, H.R. Zoomer and S. Meintser (1989). Effects of nitrogen deposition on nutrient cycling and soil biota in coniferous forest soils in the Netherlands. In: Internationaler Kongress Waldschadensforschung: Wissensstand und Perspektiven. Vol. I.: 297-298.
• N.M. van Straalen, T.B.A. Burghouts, M.J. Doornhof, G.M. Groot, M.P.M. Janssen, E.N.G. Joosse, J.H. van Meerendonk, J.P.J.J. Theeuwen, H.A. Verhoef and M.R. Zoomer (1987). Efficiency of lead and cadmium excretion in populations of Orchesella cincta (Collembola) from various contaminated forest soils. J. Appl. Ecol.24: 953-968.
• N.M. van Straalen, G.M. Groot and H.R. Zoomer (1986) Adaptation of Collembola to heavy metal soil contamination. Proc. Int. Conf. Environmental Contamination, Amsterdam. CEP Consultants, Edinburgh, pp. 16-20.