Curriculum vitae for Per Ambus                                                                            Risø, 29 September 2000


Senior Reseach Scientist

Plant Biology and Biogeochemistry Department

Risø National Laboratory, DK-4000 Roskilde.

Tel/fax: (+45) 4677 4152/4160. e-mail: [email protected]; www:



1987 M.Sc., Department of General Microbiology, Copenhagen Univ.

1992 Ph.D., Department of Popula­tion Biology, Copenhagen Univ.


Research activities

Biogeochemical cycling of C and N; denitrification; N2O and CH4 emissions from soil; soil N mineralization-immobilization; stable isotope techniques; turnover of organic residues in soil.


Professional experience

1988-1990 (18 mo) Graduate student. Departm. Popula­tion Biol., Cphgn Univ.

1989 (1½ mo) Visiting graduate. Southeast Watershed Res. Lab. (USDA), Georgia, USA.

1991-1993 (36 mo) Postdoc. fellow. Departm. Population Biol., Cphgn Univ.

1993-1994 and 1996-present Reseach and Senior Research Scientist, Risø National Laboratory.

1995-1996 (24 mo) Visiting Research Associate. Kellogg Biol. St., Michigan State Univ., USA.


Professional appointments

Member of Inter-Nordic Workshop on Biomonitoring of Soil Biological Processes and Epiphytic Lichens; Coordinator: Joint Field Experiment on N2O flux measurement methods within EC STEP project; Member of US Trace Gas Network Group


Five recent peer reviewed publications

1.              Ambus, P., J.M. Jensen, A. Priemé, K. Pilegaard and A. Kjøller. 2001 Assessment of CH4 and N2O fluxes in a Danish beech (Fagus sylvatica) forest and an adjacent N-fertilised barley (Hordeum vulgare) field: effects of sewage sludge amendments. Nutrient Cycling in Agroecosystems (in press).

2.              Ambus, P. and Jensen, E.S. 2001. Crop residue management strategies to reduce N-losses – Interaction with crop N supply. Communications in Soil Science and Plant Analysis. 32(7&8): (in press).

3.              Beier, C. L. Rasmussen, K. Pilegaard, P. Ambus, T. Mikkelsen, N.O. Jensen, A. Kjøller and U.L. Ladekarl. 2000. Fluxes of NO3-, NH4+, NO, NO2, and N2O in an old Danish beech forest. Wate, Air and Soil Pollution (in press).

4.              Grøn, C., F. Laturnus, G.K. Mortensen, H. Egsgaard, L. Samsøe-Petersen, P. Ambus, and E.S. Jensen. 2000. Plant uptake of LAS and DEHP from sludge amended soil. In R. Lipnick, D. Muir and J Hermens (eds) Persistent Bioaccumulative Toxic Chemicals: Fate and Exposure ACS-BOOK chapter.

5.              Ambus, P. and G.P. Robertson. 1999. Fluxes of CH4 and N2O from Aspen stands grown under ambient and twice-ambient CO2. Plant and Soil. 209(1): 1-8.