Fiva - Research School of Water Resources

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Name:	Jens Aamand
Position:	Senior researcher
Institution:	Geological Survey of Denmark and Greenland, Department of Geochemistry
Address:	Øster Voldgade 10, 1350 Copenhagen, Denmark
Phone:	+45 38 14 23 26
Email:	jeaa@geus.dk
Website:	www.geus.dk

Research interests: Microbial ecology, microbial processes in soil and groundwater, degradation of pollutants at different redox condition. Classical, molecular and immunological techniques for characterisation and quantification of micro-organisms in the environment. Development of microbial remediation techniques for treatment of contaminated soil and groundwater. Geochemical redox processes and their influence on the microbial community structure. Effects of geology and hydrology on transport and degradation of pollutants.
Involvement in research projects: Leader of research project on microbial remediation of soil and water resources (MIRESOWA) financed by the Danish Agency for Science, Technology and Innovation. Research project on controlled degradation of pesticide residues in sand filters at waterworks (PESTICON) financed by the Danish Agency for science, Technol-ogy and Innovation Center for Environmental and Agricultural Microbiology (CREAM) finansed by the the Villum Kann Rasmussen Foundation Microbial oxidation of pyrite in anaerobic groundwater aquifers financed by Geocenter Denmark
Advisor for PhD students: Nora Badawi (on-going) Microscale heterogeneity and its influence on soil contaminant degrada-tion, metabolite formation and leaching to the groundwater Allan Simonsen (on-going) Mechanisms and adaptive processes underlying microbial degradation of ecological relevant contaminant concentrations Stig Rønhede (2007) Synergism between fungi and bacteria in mineralisation of pesticides in soil. Maria Sommer Holtze (2005) Degradation of the herbicide dichlobenil and its metabolite 2,6-dichlorobenzamide (BAM) in soil and bacterial cultures (PhD-thesis). Helle Johannesen (2002) Microbial degradation of herbicides aged in soil or aquifer sediments (PhD-thesis) Sebastian Reinhold Sørensen (2002) Metabolism of phenylurea compounds by indigenous bacteria from aquifer chalk, agricultural soil and stream sediment (PhD-thesis) Julia Radnoti de Lipthay (2001) Acclimation of natural microbial communities to phenoxyalcanoic acid herbicides (PhD-thesis) Lise Larsen (2000) Degradation of herbicides in groundwater under different redox conditions (PhD-thesis) Leif Bruun (2000) Development and implementation of new immunochemical methods for measur-ing pesticides and their degradation products in groundwater

Key publications:

Sørensen S. R., A. Simonsen & J. Aamand (2009): Constitutive mineralization of low concentrations of the herbicide linuron by a Variovorax sp strain. FEMS Microbiol. Lett. 292: 291-295

Sørensen S. R., C. N. Albers & J. Aamand (2008) Rapid Mineralization of the Phenylurea Herbi-cide Diuron by Variovorax sp. Strain SRS16 in Pure Culture and within a Two-Member Consor-tium.Appl. Environ. Microbiol. 74 2332-2340

Sørensen, S.R., M. S. Holtze, A. Simonsen & J. Aamand (2007) Degradation and Mineralization of Nanomolar Concentrations of the Herbicide Dichlobenil and Its Persistent Metabolite 2,6-Dichlorobenzamide by Aminobacter spp. Isolated from Dichlobenil-Treated Soils. Appl. Environ. Microbiol. 73:399-406

de Lipthay J. R., K. Johnsen, H-J Albrechtsen, P. Rosenberg and J. Aamand (2004) Bacterial diver-sity and community structure of a sub-surface aquifer exposed to realistic low herbicide concentra-tions. FEMS Microb. Ecol. 59-69

Johannesen, H. and J. Aamand (2003) Mineralization of aged atrazine, terbuthylazine, mecoprop and 2,4-D in soil and aquifer sediment. Environ. Chem. Tox. 22:722-729.

Larsen, L., S. R. Sørensen, and J. Aamand (2000): Mecoprop, isoproturon, and atrazine in a sandy aquifer: Vertical distribution of mineralization potential. Environ. Sci. Technol. 34:2426-2430