2007

Vesterdal, L., Schmidt, IK, Callesen, I., Nilsson, LO, Gundersen P. 2007 Forest floor and mineral soil carbon and nitrogen under six common European tree species. For. Ecol. Manag., in press. doi:10.1016/j.foreco.2007.08.015

Callesen, I., Raulund-Rasmussen, K., Westman, CJ and Tau-Strand, L 2006 Nitrogen pools and Carbon:Nitrogen ratios in well-drained Nordic forest soils related to climate and soil texture. Boreal Env. Res. 12(6):681-692

Callesen,I., Ingerslev, M., and Raulund-Rasmussen, K. 2006. Dissolution of granulated wood ash examined by in situ incubation – effects of tree species and soil type. Bioenergy, special issue. Trondhjem 26. –28. October 2005. Available online: http://dx.doi.org/10.1016/j.biombioe.2007.06.014

Callesen, I., Borken, W., Kalbitz, K., and E. Matzner, E. 2006. Long-term development of nitrogen fluxes in a coniferous ecosystem: Does soil frost trigger nitrate leaching? J. Pl. Nutr. Soil Sc. 170(2): 189-196.

2006

Callesen, I., Raulund-Rasmussen, K., Bilde Jørgensen, B., Johannsen VK 2006. Growth of beech, oak, and four conifer species along a soil fertility gradient. Baltic forestry 12(1): 14-22.

2004

Hagen-Thorn, A., I. Callesen, K. Armolaitis and B. Nihlgård The impact of six European tree species on the chemistry of mineral topsoil in forest plantations on former agricultural land. Forest Ecology and Management, Volume 195, Issue 3, 5 July, p 373-384
 

Hagen-Thorn A., Armolaitis K., Callesen I. and Stjernquist I. Macronutrients in tree stems and foliage: a comparative study of 6 temperate forest species planted at the same sites. Ann. For. Sci. 61: 489-498.

Kristensen, H.L., Gundersen, P., Callesen, I., Reinds, G. Atmospheric N Deposition Influences Soil Nitrate Concentration Differently in European Coniferous and Deciduous Forests. Ecosystems 7: 180-192.

Callesen, I., K. Raulund-Rasmussen. Base cation, aluminum and phosphorus release potential in Danish forest soils. J. Plant Nutr. Soil Sci. 167: 169-176.

2003

Callesen, I. Transfer functions for carbon sequestration, nitrogen retention and nutrient release capability in forest soils based on soil texture classification. Ph.D. thesis, The Royal Veterinary and Agricultural University, Copenhagen [PhD thesis, pdf 1MB]

Callesen, I., Liski, J., Raulund-Rasmussen, K., Alriksson, A., Olsson, M.T., Tau-Strand, L., Vesterdal, L., Westman, C.J. 2003. Soil carbon stores in Nordic upland forest soils - relationships with climate and site variables. Global Change Biology 9: 358-370

Vejre, H., I. Callesen, L. Vesterdal, and K. Raulund-Rasmussen (2003). Carbon and Nitrogen in Danish forest soils - contents and distribution determined by soil order. Soil Science Society of America Journal. 67: 335-343

2002

Thelin, G., U. Rosengren, U, I. Callesen, M. Ingerslev (2002). The nutrient status of Norway spruce in pure and in mixed-species stands. Forest Ecology and Management 160 (1-3): 115-125

Callesen, I., M.H. Greve (2002) Naturressourcer i landskabet og kortlægning. Miljøforskning 50:43-46 [pdf]

2000

Sundberg, P.S. (red.), I. Callesen, M. H. Greve og K. Raulund-Rasmussen, 1999. Danske jordbundsprofiler. Danmarks Jordbrugsforskning, Foulum.

1999

Callesen, I., K. Raulund-Rasmussen, P. Gundersen og H. Stryhn (1999). Nitrate concentrations in soil solution below Danish forests. Forest Ecology and Management 114:71-82.

1998

Gundersen, P., I. Callesen and W. deVries (1998). Nitrate leaching in forest ecosystems is related to forest floor C/N ratios. Environmental Pollution (special issue containing papers from "Nitrogen conference" in The Netherlands 23-27 March 1998).

1997

Master thesis (1997) : Drought effects in Beech - investigation of defoliation and soils in four thinning trials and analysis of climate and flowering over a period of 120 years. (In Danish).[M.sc. thesis, pdf 8MB]

1996

Callesen, I., A. Thormann, K. Raulund-Rasmussen, H. Stryhn og H. S. Østergaard (1996). Nitratkoncentrationen i jordvand under danske skove. Dansk Skovbrugs Tidsskrift 81:73-94.