Research Topics
| A A KoelmansSummaryAffiliation: Wageningen University Country: The Netherlands Publications
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Detail Information
Publications
Black carbon: the reverse of its dark sideAlbert A Koelmans
Department of Environmental Sciences, Aquatic Ecology and Water Quality Management Group, AEW, Wageningen University, P O Box 8080, Ritsemabosweg 32a, 6700 DD Wageningen, The Netherlands
Chemosphere 63:365-77. 2006..This implies that current environmental risk assessment systems for these contaminants may be unnecessarily safe...
Production of dissolved organic carbon in aquatic sediment suspensionsA A Koelmans
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 8080, Netherlands
Water Res 37:2217-22. 2003..At a typical value of 25mg/L suspended sediment, the halflife for mobilisation is 0.5 day, which is much faster than bacterial degradation of POM in aquatic systems...
Estimation of in situ sediment-to-water fluxes of polycyclic aromatic hydrocarbons, polychlorobiphenyls and polybrominated diphenylethersAlbert A Koelmans
Aquatic Ecology and Water Quality Management Group, Wageningen University, P O Box 47, 6700 AA, Wageningen, The Netherlands
Environ Sci Technol 44:3014-20. 2010..Finally, it is discussed how these findings can be translated into a general framework for flux based exposure assessment...
Comparison of manufactured and black carbon nanoparticle concentrations in aquatic sedimentsA A Koelmans
Aquatic Ecology and Water Quality Management Group, Wageningen University, Wageningen, The Netherlands
Environ Pollut 157:1110-6. 2009..Furthermore, exposure and toxic effects of MCNPs in sediments and soils will be negligible compared to that of BCNPs...
Attenuation of polychlorinated biphenyl sorption to charcoal by humic acidsAlbert A Koelmans
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 43:736-42. 2009....
Triple domain in situ sorption modeling of organochlorine pesticides, polychlorobiphenyls, polyaromatic hydrocarbons, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans in aquatic sedimentsA A Koelmans
Wageningen IMARES, 1780 AB Den Helder, The Netherlands
Environ Sci Technol 43:8847-53. 2009..For PAH a single oil sorption coefficient was found. Oil dominated sorption only for PCBs, at oil levels above 50-250 mg oil/kg sediment. BC dominated sorption of most other compounds, especially high molecular PAHs, PCDD, and PCDFs...
Effects of black carbon on bioturbation-induced benthic fluxes of polychlorinated biphenylsAlbert A Koelmans
Aquatic Ecology and Water Quality Management Group, Wageningen University, Box 47, 6700 AA Wageningen, The Netherlands
Chemosphere 84:1150-7. 2011....
Sampling method, storage and pretreatment of sediment affect AVS concentrations with consequences for bioassay responsesH J De Lange
Aquatic Ecology and Water Quality Management Group, Wageningen University, Wageningen University and Research Centre, P O Box 8080, 6700 DD, Wageningen, The Netherlands
Environ Pollut 151:243-51. 2008..In a survey using seven different sediments, bioassay responses of A. aquaticus were correlated with SEM and AVS characteristics...
Effects of flow regime and flooding on heavy metal availability in sediment and soil of a dynamic river systemA Poot
Aquatic Ecology and Water Quality Management Group, Wageningen University, P O Box 8080, Ritzemabosweg 32A, 6700 DD Wageningen, The Netherlands
Environ Pollut 148:779-87. 2007..3-30micromolg(-1)). We conclude that in dynamic river systems, flow velocity is the key to understanding variability of AVS and SigmaSEM...
Long-term recovery of benthic communities in sediments amended with activated carbonD Kupryianchyk
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 46:10735-42. 2012..AC treatments explained 3% of the variance in the community data. This work suggests that AC community effects are mild as long as AC levels are not too high (1-4%)...
Modeling trade-off between PAH toxicity reduction and negative effects of sorbent amendments to contaminated sedimentsD Kupryianchyk
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 46:4975-84. 2012..For the sediment evaluated here, the results show that AC may safely protect the benthic habitat against considerable sediment PAH concentrations as long as the AC dosage remains below 4%...
In situ sorption of hydrophobic organic compounds to sediment amended with activated carbonD Kupryianchyk
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Pollut 161:23-9. 2012..74 for PCBs and 0.82 for PAH. Sorption to AC was stronger than to BC for chemicals below LogK(OW) = 6.3-6.6. For HOC risk reduction this is favorable, because chemicals with low K(OW) show generally higher bioavailable concentrations...
Ecotoxicological effects of activated carbon amendments on macroinvertebrates in nonpolluted and polluted sedimentsD Kupryianchyk
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 45:8567-74. 2011..aquaticus by 30 and 100% in 8 days and 5 and 50% after 28 days exposure, respectively. We conclude that AC addition leads to substantial improvement of habitat quality in contaminated sediments and outweighs ecological side effects...
Impact of polychlorinated biphenyl and polycyclic aromatic hydrocarbon sequestration in sediment on bioaccumulation in aquatic food websCaroline T A Moermond
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 26:607-15. 2007..Thus, aging may translate directly into reduced uptake at higher trophic levels...
Trace metal availability and effects on benthic community structure in floodplain lakesCorine van Griethuysen
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P.O. Box 8080, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 23:668-81. 2004..We conclude that examination of SEM or SEM - AVS concentrations is useful for risk assessment of trace metals on the community level...
In situ remediation of contaminated sediments using carbonaceous materialsM I Rakowska
Subdepartment of Environmental Technology, Department of Agrotechnology and Food Science, Wageningen University, Wageningen, The Netherlands
Environ Toxicol Chem 31:693-704. 2012..The beneficial effects of reducing toxicity at low CM concentrations most probably outweigh the mild negative effects observed at higher CM concentrations...
Evaluation of bioassays versus contaminant concentrations in explaining the macroinvertebrate community structure in the Rhine-Meuse delta, The NetherlandsE T Peeters
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, The Netherlands
Environ Toxicol Chem 20:2883-91. 2001..Thus, macroinvertebrate field surveys and laboratory bioassays yield different types of information on ecotoxicological effects, and both are recommended in sediment risk assessment procedures...
In situ Treatment with Activated Carbon Reduces Bioaccumulation in Aquatic Food ChainsD Kupryianchyk
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 47:4563-71. 2013..PAC treatment may be advised for sites where immediate ecosystem protection is required. GAC treatment may be equally effective in the longer term and may be adequate for vulnerable ecosystems where longer-term protection suffices...
Nonequilibrium of organic compounds in sediment-water systems. Consequences for risk assessment and remediation measuresP C M van Noort
Aquatic Ecology and Water Quality Management Group, Wageningen University, PO Box 47, 6700 AA Wageningen, The Netherlands
Environ Sci Technol 46:10900-8. 2012..For nonequilibrium situations and some benthic taxa, exposure may be determined best by pore water concentrations. Improving our understanding in this area may further improve risk assessment of contaminated sediments...
Distribution, speciation, and bioavailability of lanthanides in the Rhine-Meuse estuary, The NetherlandsC T Moermond
Department of Environmental Sciences, Wageningen Agricultural University, The Netherlands
Environ Toxicol Chem 20:1916-26. 2001..Field BSAFs were significantly lower than laboratory values for the same sediments, which is explained by adaptation of the organisms to lanthanides...
Modeling decreased food chain accumulation of PAHs due to strong sorption to carbonaceous materials and metabolic transformationCaroline T A Moermond
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, Wageningen, The Netherlands
Environ Sci Technol 41:6185-91. 2007..Furthermore, inclusion of CM in a model enables metabolic transformation rates to be calculated from the remaining overestimation in the model results when compared to measured data...
Black carbon and ecological factors affect in situ biota to sediment accumulation factors for hydrophobic organic compounds in flood plain lakesCaroline T A Moermond
Aquatic Ecology and Water Quality Management Group, Wageningen University, Post Office Box 8080, 6700 DD Wageningen, The Netherlands
Environ Sci Technol 39:3101-9. 2005..BSAFs for pyrogenic PAHs were much lower than for PCBs, which was explained by stronger sorption to BC and lesser uptake from ingested sediment...
A kinetic approach to evaluate the association of acid volatile sulfide and simultaneously extracted metals in aquatic sedimentsAnton Poot
Aquatic Ecology and Water Management Group, Department of Environmental Sciences, Wageningen University, Wageningen, The Netherlands
Environ Toxicol Chem 28:711-7. 2009..This suggests that they are not associated with AVS but also that AVS is probably not present as sulfide minerals. These data illustrate that the SigmaSEM-AVS risk assessment concept would not be applicable for the studied sediments...
Integrated modelling of eutrophication and organic contaminant fate & effects in aquatic ecosystems. A reviewA A Koelmans
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, Netherlands
Water Res 35:3517-36. 2001....
Distribution of perfluorinated compounds in aquatic systems in the NetherlandsC J A F Kwadijk
Institute for Marine Resources and Ecosystem Studies IMARES, Wageningen UR, 1970 AB IJmuiden, The Netherlands
Environ Sci Technol 44:3746-51. 2010..Magnitudes and trends in K(D) or BAF appeared to agree well with previously published laboratory data. Results imply that PFCs are mainly present in water, which is important for PFC fate modeling and risk assessment...
Community effects of carbon nanotubes in aquatic sedimentsI Velzeboer
Department of Environment, IMARES, IJmuiden, The Netherlands
Environ Int 37:1126-30. 2011..9%. Still, the net contribution of MWCNT dose was not statistically significant, indicating that negative community effects are not likely to occur at environmentally relevant future CNT concentrations in aquatic sediments...
Impacts of manipulated regime shifts in shallow lake model ecosystems on the fate of hydrophobic organic compoundsIvo Roessink
Aquatic Ecology and Water Quality Management Group, Wageningen University, Box 47, 6700 AA Wageningen, The Netherlands
Water Res 44:6153-63. 2010..These results show that shifts in ecosystem structure have clear effects on fate, risks and natural attenuation of sediment-bound organic contaminants...
Spatial variation of metals and acid volatile sulfide in floodplain lake sedimentCorine van Griethuysen
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 8080, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 22:457-65. 2003..This particularly has implications for risk assessment of sediments prone to dynamic hydrological conditions, where AVS concentrations are also variable in time...
Interactions between nutrients and organic micro-pollutants in shallow freshwater model ecosystemsIvo Roessink
Alterra, Wageningen University and Research Centre, P O Box 47, 6700AA, Wageningen, The Netherlands
Sci Total Environ 406:436-42. 2008..However, it is concluded that risks of organic micro-pollutants cannot be adapted to (or compensated for?) these four mechanism because of time and space dependent feedback in shallow water communities...
Sorption of polycyclic aromatic hydrocarbons and polychlorinated biphenyls to soot and soot-like materials in the aqueous environment: mechanistic considerationsMichiel T O Jonker
Department of Environmental Sciences, Wageningen University, The Netherlands
Environ Sci Technol 36:3725-34. 2002..Frequently observed, slowly desorbing, resistant contaminant fractions in sediments may very well be explained on the basis of these results...
Effects of sedimentary sootlike materials on bioaccumulation and sorption of polychlorinated biphenylsMichiel T O Jonker
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 23:2563-70. 2004..This points to a sorption process that is much more complicated than generally assumed...
Uptake of sediment-bound bioavailable polychlorobiphenyls by benthivorous carp (Cyprinus carpio)Caroline T A Moermond
Aquatic Ecology and Water Quality Management Group, Wageningen University, P O Box 8080, 6700 DD Wageningen, The Netherlands
Environ Sci Technol 38:4503-9. 2004..The main implication of this research is that fast-desorbing PCB fractions in sediments have great predictive potential for bioaccumulation in benthivorous fish...
Extraction of sediment-associated polycyclic aromatic hydrocarbons with granular activated carbonM I Rakowska
Subdepartment of Environmental Technology, Department of Agrotechnology and Food Science, Wageningen University, Wageningen, The Netherlands
Environ Toxicol Chem 32:304-11. 2013....
Polyoxymethylene solid phase extraction as a partitioning method for hydrophobic organic chemicals in sediment and sootM T Jonker
Department of Environmental Sciences, Wageningen University, The Netherlands
Environ Sci Technol 35:3742-8. 2001..The method was validated by comparing values for sediment with results for the same sediment determined using the cosolvent method. This comparison resulted in an almost 1:1 relationship, proving the method's validity...
Impact of triphenyltin acetate in microcosms simulating floodplain lakes. I. Influence of sediment qualityI Roessink
Alterra, Wageningen UR, P O Box 47, 6700 AA, Wageningen, The Netherlands
Ecotoxicology 15:267-93. 2006....
Temporal variation of trace metal geochemistry in floodplain lake sediment subject to dynamic hydrological conditionsCorine van Griethuysen
Aquatic Ecology and Water Quality Management Group, Wageningen University, P.O. Box 8080, 6700 DD Wageningen, The Netherlands
Environ Pollut 137:281-94. 2005..The chemistry of the sediments was consistent with model calculations, especially for macro-elements. The results illustrate the importance of seasonality for metal risk assessment...
Measuring acid volatile sulphide in floodplain lake sediments: effect of reaction time, sample size and aerationC van Griethuysen
Department of Environmental Sciences, Wageningen University, The Netherlands
Chemosphere 47:395-400. 2002..AVS concentrations measured with the diffusion method are higher than with the purge-and-trap method. We conclude that the adapted diffusion method is well suited for the routine measurement of AVS concentrations in floodplain sediments...
Including sorption to black carbon in modeling bioaccumulation of polycyclic aromatic hydrocarbons: uncertainty analysis and comparison to field dataMara Hauck
Department of Environmental Sciences, Institute for Water and Wetland Research, Radboud University Nijmegen, P O Box 9010, 6500 GL Nijmegen, The Netherlands
Environ Sci Technol 41:2738-44. 2007..This implies that including routine measurements of BC contents is crucial in improving risk estimations of PAHs...
Sorption of polycyclic aromatic hydrocarbons to oil contaminated sediment: unresolved complex?Michiel T O Jonker
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 8080, 6700 DD Wageningen, The Netherlands
Environ Sci Technol 37:5197-203. 2003..0 +/- 0.24). These results demonstrate that it is crucial to take the presence of oil and its weathering state into account when assessing the actual fate of PAHs in aquatic environments...
Dynamic modeling of food-chain accumulation of brominated flame retardants in fish from the Ebro River Basin, SpainOtto C van Beusekom
Wageningen University, Aquatic Ecology and Water Quality Management Group, P.O. Box 8080, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 25:2553-60. 2006..On average, modeled BSAFs for barbel were 50% higher than those for bleak because of extra BFR uptake through sediment ingestion and older age of barbel specimens...
Extraction of polycyclic aromatic hydrocarbons from soot and sediment: solvent evaluation and implications for sorption mechanismMichiel T O Jonker
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 8080, 6700 DD Wageningen, The Netherlands
Environ Sci Technol 36:4107-13. 2002..Moreover, a certain fraction of the total PAH mass on soot is suggested to be physically entrapped, making it unavailable for partitioning to the aqueous phase...
Sorption of organic compounds to activated carbons. Evaluation of isotherm modelsIlje Pikaar
Aquatic Ecology and Water Quality Management Group (AEW, Wageningen University, P.O. Box 8080, 6700 DD Wageningen, The Netherlands
Chemosphere 65:2343-51. 2006..Average Gibbs free energies for adsorption from the hypothetical pure liquid state at 298 K were fairly constant at -15+/-4 and -5+/-4 kJ mol(-1) for the HE and LE domain, respectively...
Weathering and toxicity of marine sediments contaminated with oils and polycyclic aromatic hydrocarbonsMichiel T O Jonker
Aquatic Ecology and Water Quality Management Group, Wageningen University, P O Box 8080, 6700 DD Wageningen, The Netherlands
Environ Toxicol Chem 25:1345-53. 2006..Combining the assay responses with chemical data indicated that the observed toxicity probably was not caused by the analyzed PAHs but, rather, by specific oil constituents instead...
Quantification methods of Black Carbon: comparison of Rock-Eval analysis with traditional methodsAnton Poot
Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P O Box 47, 6700 AA Wageningen, The Netherlands
J Chromatogr A 1216:613-22. 2009..g. soot). Rock-Eval analysis can further be used for BC characterization through deconvolution of the dominant peaks of the thermogram and appears to be a powerful tool in BC analysis...
Modeling maximum adsorption capacities of soot and soot-like materials for PAHs and PCBsPaul C M Van Noort
Institute for Inland Water Management and Wastewater Treatment RIZA, P O Box 17, 8200 AA Lelystad, The Netherlands
Environ Sci Technol 38:3305-9. 2004..Maximum adsorption capacities decreased by 1-2 orders of magnitude as the contact area increased by 50%. This points to adsorption sites being hardly larger than sorbates...
Extensive sorption of organic compounds to black carbon, coal, and kerogen in sediments and soils: mechanisms and consequences for distribution, bioaccumulation, and biodegradationGerard Cornelissen
Department of Applied Environmental Sciences (ITM, Stockholm University, 10691 Stockholm, Sweden
Environ Sci Technol 39:6881-95. 2005....
Influence of sediment quality on the responses of benthic invertebrates after treatment with the fungicide triphenyltin acetateElske M de Haas
Department of Aquatic Ecology and Ecotoxicology, IBED, University of Amsterdam, Kruislaan 320, 1098 SM, Amsterdam, The Netherlands
Environ Toxicol Chem 24:1133-9. 2005....
Combined effects of copper and food on the midge Chironomus riparius in whole-sediment bioassaysElske M de Haas
Department of Aquatic Ecology and Ecotoxicology, IBED, University of Amsterdam, Kruislaan 320, 1098 SM, Amsterdam, The Netherlands
Environ Pollut 127:99-107. 2004..riparius...
Habitat selection by chironomid larvae: fast growth requires fast foodElske M de Haas
Department of Aquatic Ecology and Ecology, Faculty of Science, University of Amsterdamn, Kruislaan 320, 1098 SM, Amsterdam, The Netherlands
J Anim Ecol 75:148-55. 2006..5. Our observations correspond with the persistence of this fast growing opportunistic chironomid species in organically enriched aquatic ecosystems independent of the contamination level...
Extremely slowly desorbing polycyclic aromatic hydrocarbons from soot and soot-like materials: evidence by supercritical fluid extractionMichiel T O Jonker
Institute for Risk Assessment Sciences, Utrecht University, P O Box 80176, 3508 TD Utrecht, The Netherlands
Environ Sci Technol 39:7889-95. 2005..Our results imply reduced chemical risks for soot and soot-like materials, casting doubts on current risk assessment procedures and environmental quality standards of pyrogenic PAHs...
Responses of benthic invertebrates to combined toxicant and food input in floodplain lake sedimentsElske M de Haas
Department of Aquatic Ecology and Ecotoxicology, Institute of Biodiversity and Ecosystem Dynamics, Faculty of Science, University of Amsterdam, The Netherlands
Environ Toxicol Chem 21:2165-71. 2002..It is concluded that not the toxicant load but the combination of food and contaminants determines the persistence of benthic invertebrates and therewith the benthic invertebrate composition in complexly polluted ecosystems...
