Nutrient pressures and ecological responses to nutrient loading reductions in Danish streams, lakes and coastal waters

Andersen, 1994, Water quality management in the River Gudenaa, a Danish lake-stream-estuary ecosystem, Hydrobiologia, 275/276, 499, 10.1007/BF00026738 Clarke, 2003, A 150-year reconstruction of the history of coastal eutrophication in Roskilde Fjord, Denmark, Mar. Poll. Bull., 46, 1614, 10.1016/S0025-326X(03)00375-8 Cleveland, 1979, Robust locally weighted regression and smoothing scatterplots, J. Am. Stat. Assoc., 74, 829, 10.2307/2286407 Conley, 1999, Biogeochemical nutrient cycles and nutrient management strategies, Hydrobiologia, 410, 87, 10.1023/A:1003784504005 Conley, 2000, Characteristics of Danish estuaries, Estuaries, 23, 820, 10.2307/1353000 Conley, 2002, Coastal eutrophication and the Danish National Aquatic Monitoring and Assessment Program, Estuaries, 25, 706, 10.1007/BF02804910 Dillon, 1975, The effects of geology and land use on the export of phosphorus from watersheds, Water Res., 9, 135, 10.1016/0043-1354(75)90002-0 Dillon, 1991, Phosphorus and nitrogen export from forested stream catchments in Central Ontario, J. Environ. Qual., 20, 857, 10.2134/jeq1991.00472425002000040025x Downing, 1997, Marine nitrogen:phosphorus stoichiometry and the global N:P cycle, Biogeochemistry, 37, 237, 10.1023/A:1005712322036 1995, 676 European Environment Agency, 1999. Environment in the European Union at the turn of the century. Environmental Assessment Report No. 2, p. 446. European Parliament and of the Council 2000/60/EC, 2000. Establishing a framework for community action in the field of water policy. Directive EC/2000/60. Fisher, 1992, Nutrient limitation of phytoplankton in Chesapeake Bay, Mar. Ecol.: Prog. Ser., 82, 51, 10.3354/meps082051 Grant, R., Blicher-Mathiesen, G., Pedersen, M.L., Jensen, P.G., Pedersen, M., Rasmussen, P., 2003. Agricultural catchments 2002. Danish Environmental Research Institute, Technical Report No. 468, p. 132 (in Danish). Heathwaite, 2000, A conceptual approach for integrating phosphorus and nitrogen management at the watershed scales, J. Environ. Qual., 29, 158, 10.2134/jeq2000.00472425002900010020x Hertel, 1995, Development and testing of a new variable scale air pollution mmodel—ACDEP, Atmos. Environ., 29, 1267, 10.1016/1352-2310(95)00067-9 Hirsch, 1984, A nonparametric trend test for seasonal data with serial dependence, Water Resour. Res., 20, 727, 10.1029/WR020i006p00727 Hirsch, 1982, Techniques of trend analysis for monthly water quality data, Wat. Resour. Res., 18, 107, 10.1029/WR018i001p00107 Iserman, 1990, Share of agriculture in nitrogen and phosphorus emissions into the surface waters of Western Europe against the background of their eutrophication, Fertil. Res., 26, 253, 10.1007/BF01048764 Jeppesen, 1991, Recovery resilience following a reduction in external phosphorus loading of shallow, eutrophic Danish lakes: duration, regulating factors and methods for overcoming resilience, Mem. Ist. Ital. Idrobiol., 48, 127 Jeppesen, 1999, Lake and Catchment Management in Denmark, Hydrobiologia, 395/396, 419, 10.1023/A:1017071602549 Jeppesen, 2002, Response of phytoplankton, zooplankton and fish to re-oligotrophication: an 11-year study of 23 Danish lakes, Aquat. Ecosys. Health Manage., 5, 31, 10.1080/14634980260199945 Jeppesen, 2003, The impact of nutrient state and lake depth on top-down control in the pelagic zone of lakes: study of 466 lakes from the temperate zone to the Arctic, Ecosystems, 6, 313, 10.1007/s10021-002-0145-1 Jeppesen, 2004, Response of fish and plankton to nutrient loading reduction in 12 Danish lakes with special emphasis on seasonal dynamics, Freshwater Biol., 12 Jeppesen, 2004, Lake responses to reduced nutrient loading—an analysis of contemporary data from 35 European and North American long term studies, Freshwater Biol. Jespersen, 1987, Measurements of chlorophyll-a from phytoplankton using ethanol as extraction solvent, Arch. Hydrobiol., 109, 445, 10.1127/archiv-hydrobiol/109/1987/445 Jordan, 1997, Effects of agriculture on discharge of nutrients from Coastal Plain watersheds of Chesapeake Bay, J. Environ. Qual., 26, 836, 10.2134/jeq1997.00472425002600030034x Kronvang, 1996, Choice of sampling strategy and estimation method when calculating nitrogen and phosphorus transport in small lowland streams, Hydrol. Process., 10, 1483, 10.1002/(SICI)1099-1085(199611)10:11<1483::AID-HYP386>3.0.CO;2-Y Kronvang, 1993, Nationwide Monitoring of Nutrients and Their Ecological Effects: State of the Danish Aquatic Environment, AMBIO, 22, 176 Kronvang, 1995, Non-point source nutrient losses to the aquatic environment in Denmark. Impact of agriculture, Mar. Freshwater Res., 46, 167, 10.1071/MF9950167 Kronvang, 1996, Diffuse nutrient losses in Denmark, Water Sci. Tech., 33, 81, 10.1016/0273-1223(96)00217-X Kronvang, 1999, Scenario analysis of nutrient management at the river basin scale, Hydrobiologia, 410, 207, 10.1023/A:1003846317634 Meybeck, 1982, Carbon, nitrogen and phosphorus transport by world rivers, Am. J. Sci., 282, 401, 10.2475/ajs.282.4.401 1991 Mulder, 1997, Nitrogen pools and transformations in Norwegian forest ecosystems with different atmospheric inputs, AMBIO, 26, 273 Pieterse, 2003, Contribution of point sources and diffuse sources to nitrogen and phosphorus loads in lowland river tributaries, J. Hydrol., 271, 213, 10.1016/S0022-1694(02)00350-5 Rasmussen, M.B., Andersen, J.H., Ærtebjerg, G., Carstensen, J.,Krause-Jensen, D., Greve, T.M., Petersen, J.K., Hansen, J.L.S., Josefson, A.B., Christiansen, T., Ovesen, N.B., Ambelas Skjøth, C., Ellermann, T., Henriksen, P., Markager, S., Schou Hansen, O., Dahl, K., Fossing, H., Risgaard-Petersen, N., Larsen, M.M., Pedersen, B., Dahllöf, I., Strand, J., Christensen, P.B., Conley, D.J., Axe, P., Druon, J.-N., Hansen, J.W., 2003. Marine waters 2002. Status and temporal trends. Danish Environmental Research Institute, Report No. 470, Roskilde, Denmark. (in Danish). Richardson, 1996, Conclusion, research and eutrophication control, vol. 52, 243 Sabater, 1990, Chemical characteristics of a Mediterranean rivers as influenced by land uses in watershed, Water Res., 24, 143, 10.1016/0043-1354(90)90097-P Søndergaard, 1992, Phosphorus release from resuspended sediment in the shallow and wind-exposed lake Arresø, Denmark, Hydrobiologia, 228, 91, 10.1007/BF00006480 Søndergaard, 2001, Retention and internal loading of phosphorus in shallow, eutrophic lakes, The Scientific World, 1, 427, 10.1100/tsw.2001.72 Søndergaard, 2002, Seasonal dynamics in the concentrations and retention of phosphorus in shallow Danish lakes after reduced loading, Aquat. Ecosys. Health Manage., 5, 19, 10.1080/14634980260199936 Søndergaard, 2004, Seasonal response of nutrients to reduced phosphorus loading in 12 Danish lakes, Freshwater Biol. Stålnacke, 2003, Trends in nutrient concentrations in Latvian rivers and the response to the dramatic change in agriculture, J. Hydrol., 283, 184, 10.1016/S0022-1694(03)00266-X Stålnacke, 2004, Changes in nutrient levels in some Eastern European Rivers in response to large-scale changes in agriculture, Water Sci. Tech., 49, 29, 10.2166/wst.2004.0156 Thornton, J.A., Rast, W., Holland, M.M., Jolankai, G., Ryding, S.-O. (Eds.), 1999. Assessment and control of non-point source pollution of aquatic ecosystems. A practical approach. Man and the Biosphere Ser., V. 23 UNESCO xii, p. 1466. Tomer, 2003, Long-term effects of nitrogen fertilizer use on ground water in two small watersheds, J. Environ. Qual., 32, 2158, 10.2134/jeq2003.2158