References
- Brookes, A., 1987: The distribution and management of channelized streams in Denmark. — Reg. Rivers 1: 3–16.
- Grant, R., Blicher-Mathiesen, G, Andersen, H. E., Laubel, A. R., Jensen, P. G. & Rasmussen, P., 1997: The Monitoring Programme under the Action Plan on the Aquatic Environment. Agricultural Catchments. — Technical Report from NERI, No. 210 (in Danish). — National Environmental Research Institute, Ministry of Environment and Energy, Denmark. 144 pp.
- Hansen, H. O. (ed.), 1996: River Restoration — Danish Experience and Examples. — National Environmental Research Institute, Denmark. 99 pp.
- Hansen, H. O, 1997: Remeandering of a Danish headwater stream: the river Gudenå demonstration project. — Verh. Internat. Verein. Limnol. 26: 879–883.
- Heaney, S. I. & Davidson, W, 1977: The determination of ferrous iron in natural waters with 2,2 biphidryl. — Limnol. Oceanogr. 22: 753–760.
- Hoffmann, C. C, 1998: Nutrient retention in wet meadows and fens. — PhD Thesis, National Environmental Research Institute, Silkeborg, Denmark 134 pp.
- Hoffmann, C. C, Pedersen, M. L. & Laubel, A., 2000: Headwater restoration of the river Gudenå — 2. Implications for nutrients in riparian areas. — Verh. Internat. Verein. Limnol. 27: 602–609.
- Murphy, J. & Riley, J.P., 1962: A modified single solution for determination of phosphate in natural waters. — Anal. Chim. Acta. 27: 31–36.
- Snedecor, G. W. & Cochran, W. G., 1986: Statistical Methods 8th Edition. — Iowa State University Press. 503 pp.
- Windolf, J. (ed.), 1997: Freshwater — Streams and Springs. The Monitoring Programme under the Action Plan on the Aquatic Environment. — Technical Report from NERI, No. 214 (in Danish). — National Environmental Research Institute, Ministry of Environment and Energy, Denmark. 112 pp.