Marine models, Data management
Department of Bioscience
Aarhus University
Phone: +45 871 58 596
Relevant info
I am a statistician working within the field of marine ecology. I got my doctoral degree from the Technical University of Denmark in 1994 and have been a senior scientist at the National Environmental Research Institute, Aarhus University, since 1998.

My research interests are:

  • Quantification of biological effects from eutrophication
  • Indicator development and uncertainty assessment
  • Nutrient budgets, nutrient limitations, phytoplankton blooms and hypoxia

For additional info:

Selected publications:
(see http://person.au.dk/en/jac@dmu.dk/pub for full list)

Hering, D., Borja, A., Carstensen, J., Carvalho, L., Elliott, M., Feld, C.K., Heiskanen, A.-S., Johnson, R.K., Moe, J., Pont, D., Solheim, A.L., van de Bund, W. (2010) “The European Water Framework Directive at the age of 10: A critical review of the achievements with recommendations for the future”. Science of the Total Environment 408, pp. 4007-4019.

Carstensen, J. (2010) “Censored data regression: Statistical methods for analyzing Secchi transparency in shallow systems”. Limnology and Oceanography: Methods 8, pp. 376-385.

Borja, A., Elliott, M., Carstensen, J., Heiskanen, A.-S., van de Bund, W. (2010) ”Marine management – Towards an integrated implementation of the European Marine Strategy Framework and the Water Framework Directives”. Marine Pollution Bulletin 60, pp. 2175-2186.

Krause-Jensen, D., Carstensen, Nielsen, S.L., Dalsgaard, T., Christensen, P.B., Fossing, H., Rasmussen, M.B. (2011) “Sea bottom characteristics affect depth limits of eelgrass Zostera marina”. Marine Ecology Progress Serie 425, pp. 91-102.

Conley, D. J., Carstensen, J., Vaquer, R., Duarte, C. M. (2009) Ecosystem thresholds with hypoxia. Hydrobiologia 629, pp. 21-29.

Conley, D. J., Björck, S., Bonsdorff, E., Carstensen, J., Destouni, G., and others (2009) Hypoxia-related processes in theBaltic Sea . Environmental Science and Technology 43, pp. 3412-3420.

Conley, D. J., Bonsdorff, E., Carstensen, J., Destouni, G., Gustafsson, B. G., Hanson, L.-A., Rabalais, N. N., Voss, M., Zillen, L. (2009) Tackling hypoxia in the Baltic Sea: Is large-scale engineering a solution? Environmental Science and Technology 43, pp. 3407-3411.

Behrens, J. W., Ærtebjerg, G., Petersen, J. K., Carstensen, J. (2009) Oxygen deficiency impacts on burying habitats for lesser sandeel, Ammodytes tobianus, in the inner Danish waters. Canadian Journal of Aquatic and Fisheries Science 66, pp. 883-895.

Krause-Jensen, D., Carstensen, J., Dahl, K., Bäck, S., Neuvonen, S. (2009) Testing a macroalgal eutrophication model across theBaltic Sea . Ecological Indicators 9, pp. 1284-1287.

Andersen, T., Carstensen, J., Hernández-García, E., Duarte, C. (2009) Ecological Thresholds and Regime Shifts: approaches to identification. Trends in Ecology and Evolution 24, pp.49-57.

Duarte, C. M., Conley, D. J., Carstensen, J., Sánchez-Camacho, M. (2009) Return to Neverland: Shifting baselines affect ecosystem restoration targets. Estuaries and Coasts 32, pp. 29-36.

Petersen, J. K., Hansen, J. W., Laursen, M. B., Clausen, P., Conley, D. J., Carstensen, J. (2008) Regime shift in a coastal marine ecosystem. Ecological Applications 18, pp. 497-510.

Carstensen, J., Henriksen, P., Heiskanen, A.-S. (2007) Summer algal blooms in shallow estuaries: Definition, mechanisms and link to eutrophication. Limnology and Oceanography 52, pp. 370-384.

Carstensen, J. (2007) Statistical principles for ecological status classification of Water Framework Directive monitoring data. Marine Pollution Bulletin 55, pp. 3-15.

Carstensen, J., Heiskanen, A.-S. (2007) Phytoplankton species-specific responses to nutrient status in theBaltic Sea . Marine Ecology Progress Series 336, pp. 29-42.

Conley, D. J., Carstensen, J., Ærtebjerg, G., Christensen, P. B., Dalsgaard, T., Hansen, J. L. S., Josefson, A. (2007) Long-term changes and impacts of hypoxia in Danish coastal waters. Ecological Applications 17(5), pp. S165-S184.

Carstensen, J., Conley, D. J., Andersen, J. H., Ærtebjerg, G. (2006) Coastal eutrophication and trend reversal: a Danish case study. Limnology and Oceanography 51, pp. 398-408.

Carstensen, J., Frohn, L. M., Hasager, C. B., Gustafsson, B. (2005) Summer algal blooms in a coastal ecosystem: The role of atmospheric deposition versus entrainment fluxes. Estuarine Coastal and Shelf Science 62, pp. 595-608.

Kronvang, B., Jeppesen, E., Conley, D. J., Søndergaard, M., Larsen, S. E., Ovesen, N. B., Carstensen, J. (2005). “Nutrient pressures and ecological responses to nutrient loading reductions in Danish streams, lakes and coastal waters". Journal of Hydrology 304, pp. 274-288.

Carstensen, J., Conley, D.J., Henriksen, P. (2004) Frequency, composition and causes of summer phytoplankton blooms in a shallow coastal ecosystem, theKattegat . Limnology and Oceanography 49, pp. 191-201.

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