Andersson, F. & Olsson, B. (eds) 1985. Lake Gårdsjön – An Acid Forest Lake and its Catchment. Ecol. Bull. 37.

Brandrud, T. E. 1995. The effects of experimental nitrogen addition on the ectomycorrhizal fungus flora in an oligotrophic spruce forest at Gårdsjön, Sweden. For. Ecol. Man. 71(1–2): 111–122.

Clemensson-Lindell, A., & Persson, H. 1993. Long-term effects of liming on the fine-root standing crop of Picea abies and Pinus sylvestris in relation to chemical changes in the soil. Scand. Jour. For. Res. 8(1–4): 384–394.

Dickson, W. (Ed.) (1988). Liming of Lake Gårdsjön: an acidified lake in SW Sweden. Swedish Environmental Protection Agency. Report 3426 , Solna, 327 pp.

Emmett, B. A., Kjonaas O. J., Gundersen, P., Koopmans, C. J., Tietema, A. & Sleep, D. 1998. Natural abundance of 15N in forests across a nitrogen deposition gradient. For. Ecol. Man. 101: 9–18.

Giesler, R., Moldan, F., Lundstrom, U. & Hultberg, H. 1996. Reversing acidification in a forested catchment in southwestern Sweden: Effects on soil solution chemistry. Jour. Environ. Qual. 25(1): 110–119.

Haraldsson, C., Lyven, B., Ohman, P. & Munthe, J. 1994. Determination of mercury isotope ratios in samples containing sub-nanogram amounts of mercury using inductively coupled plasma mass spectrometry. Jour. Anal. Atom. Spec. 9(11): 1229–1232.

Hultberg, H. & Grennfelt, P. 1986. Gardsjon project – Lake acidification, chemistry in catchment runoff, lake liming and microcatchment manipulations, Wat. Air. Soil. Poll. 30(1–2): 31–46.

Hultberg, H. & Skeffington, R. A. (eds.) 1998. Experimental Reversal of Acid Rain Effects: The Gårdsjön Covered Catchment Experiment. Wiley & Sons. Chichester. 484pp.

Hultberg, H., & Grennfelt, P. 1992. Sulfur and seasalt deposition as reflected by throughfall and runoff chemistry in forested catchments. Env. Poll. 75(2): 215–222.

Hultberg, H., Lee, Y. H., Nystrom, U. & Nilsson, S. I. (1990). Chemical effects on surface-, ground- and soil-water of adding acid and neutral sulphate to catchments in southwest Sweden. In: Mason, B. J. (ed.). The surface waters acidification programme. Cambridge Univ. Press 167–182.

Jonsson, L., Anders, D. & Tor-Erik, B. 2000. Spatiotemporal distribution of an ectomycorrhizal community in an oligotrophic Swedish Picea abies forest subjected to experimental nitrogen addition: above- and below-ground views. For. Ecol. Man. 132(2–3): 143–156.

Kasimir Klemedtsson, Å., & Klemedtsson, L. 1997. Methane uptake in Swedish forest soil in relation to liming and extra N-deposition. Biol. Fert. Soils. 25: 296–301.

Kjonaas, O. J., & A. O. Stuanes 2008. Effects of experimentally altered N input on foliage, litter production and increment in a Norway spruce stand, Gårdsjön, Sweden over a 12-year period. Int. Jour. of Env. Stud. 65(3): 431-463.

Klemedtsson, L., Kasimir Klemedtsson, Å., Moldan, F. & Weslien, P. 1997. Nitrous oxide emission in Swedish forest soils in relation to liming and simulated increased N-deposition. Biol. Fert. Soils 25: 290–295.

Lange, H., Lischeid, G., Hoch, R. & Hauhs, M. 1996. Water flow paths and residence times in a small headwater catchment at Gårdsjön, Sweden, during steady state storm flow conditions. Wat. Resour. Res. 32(6): 1689–1698.

Moldan F., & Wright., R.F. 2011. Nitrogen leaching and acidification during 19 years of NH4NO3 additions to a coniferous-forested catchment at Gårdsjön, Sweden (NITREX). Env. Poll. 159: 431-440.

Moldan, F., & R. F. Wright 1998. Episodic behaviour of nitrate in runoff during six years of nitrogen addition to the NITREX catchment at Gardsjon, Sweden. Env. Poll. 102: 439–444.

Moldan, F., Hruska, J., Evans, C. D. & M. Hauhs 2012. Experimental simulation of the effects of extreme climatic events on major ions, acidity and dissolved organic carbon leaching from a forested catchment, Gardsjon, Sweden. Biogeoch. 107(1-3): 455-469.

Moldan, F., Kjonaas, O. J., Stuanes, A. O. & Wright, R. F. 2006. Increased nitrogen in runoff and soil following 13 years of experimentally increased nitrogen deposition to a coniferous-forested catchment at Gardsjon, Sweden. Env. Pol. 144(2): 610–620.

Moldan, F., Skeffington, R.A., Mörth, C-M., Torssander, P., Hultberg, H., & Munthe, J., 2004. Results from covered catchment experiment at Gårdsjön, Sweden, after ten years of clean precipitation treatment. 2004. Wat. Air Soil. Poll. 154: 371–384.

Munthe, J., Lyvén, B., Parkman, H., Lee, Y. H., Iverfeldt, Å., Haraldsson, C., Verta, M. & Porvari P. 2001. Mobility and methylation of mercury in forest soils. Development of an in-situ stable isotope tracer technique and initial results., Wat. Air Soil Poll. Focus 1; 385–393.

Mörth, C. M., Torssander, P., Kjonaas, O. J., Stuanes, A. O., Moldan, F. & Giesler, R. 2005. Mineralization of organic sulfur delays recovery from anthropogenic acidification. Env. Sci. & Tech. 39(14): 5234–5240.

Nyberg, L. 1995. Water-flow path interactions with soil hydraulic-properties in till soil at Gårdsjön, Sweden. Jour. of Hyd. 170(1–4): 255–275.

Nygaard, P. H., Huse, M. & Stuanes, A. O. 1993. Vegetation. In: Wright, R. F. NITREX project-Gårdsjön Status report for 1991–92: The first year of treatment. Oslo: 33–38.

Olsson, B., Hallbacken, L., Johansson, S., Melkerud, P. A., Nilsson, S. I. & Nilsson, T. 1985. The Lake Gårdsjön area – physiological and biological features. In: Andersson, F. & Olsson, B. (eds). Lake Gardsjon – An Acid Lake and its Catchment. Ecol. Bull. 37: 10–28.

Persson, H., Ahlstrom, K. & Clemensson-Lindell, A. 1998. Nitrogen addition and removal at Gardsjon – effects on fine-root growth and fine-root chemistry. For. Ecol. & Man. 101(1–3): 199–205.

Rodhe, A., Nyberg, L. & Bishop, K. 1996. Transit times for water in a small till catchment from a step shift in the oxygen 18 content of the water input. Wat. Resour. Res. 32(12): 3497–3511.

Stuanes, A. O., & Kjonaas, O. J. 1998. Soil solution chemistry during four years of NH4NO3 addition to a forested catchment at Gardsjon, Sweden. For. Ecol. Man. 101(1–3): 215–226.

Vestgarden, L. S., & Kjonaas, O. J. 2003. Potential nitrogen transformations in mineral soils of two coniferous forests exposed to different N inputs. For. Ecol. Man. 174 (1–3): 191–202.

Westling, O., & Hultberg, H. 1990/91. Liming and fertilization of acid forest.