Influence of dietary soy and phytase levels on performance and body composition of large rainbow trout (Oncorhynchus mykiss) and algal availability of phosphorus load J Vielma, T Mäkinen, P Ekholm, J Koskela Aquaculture 183 (3-4), 349-362, 2000 | 290 | 2000 |
Retaining agricultural nutrients in constructed wetlands—experiences under boreal conditions J Koskiaho, P Ekholm, M Räty, J Riihimäki, M Puustinen Ecological Engineering 20 (1), 89-103, 2003 | 225 | 2003 |
Determining algal-available phosphorus of differing origin: routine phosphorus analyses versus algal assays P Ekholm, K Krogerus Hydrobiologia 492, 29-42, 2003 | 179 | 2003 |
Phosphorus loss from different farming systems estimated from soil surface phosphorus balance P Ekholm, E Turtola, J Grönroos, P Seuri, K Ylivainio Agriculture, ecosystems & environment 110 (3-4), 266-278, 2005 | 175 | 2005 |
Relationship between catchment characteristics and nutrient concentrations in an agricultural river system P Ekholm, K Kallio, S Salo, OP Pietiläinen, S Rekolainen, Y Laine, ... Water Research 34 (15), 3709-3716, 2000 | 160 | 2000 |
Assessment of soluble phosphorus load in surface runoff by soil analyses M Yli-Halla, H Hartikainen, P Ekholm, E Turtola, M Puustinen, K Kallio Agriculture, Ecosystems & Environment 56 (1), 53-62, 1995 | 155 | 1995 |
Internal and external loading as regulators of nutrient concentrations in the agriculturally loaded Lake Pyhäjärvi (southwest Finland) P Ekholm, O Malve, T Kirkkala Hydrobiologia 345, 3-14, 1997 | 146 | 1997 |
Evaluation of the accuracy and precision of annual phosphorus load estimates from two agricultural basins in Finland S Rekolainen, M Posch, J Kämäri, P Ekholm Journal of Hydrology 128 (1-4), 237-255, 1991 | 138 | 1991 |
Bioavailability of phosphorus in agriculturally loaded rivers in southern Finland P Ekholm Hydrobiologia 287 (2), 179-194, 1994 | 135 | 1994 |
Does control of soil erosion inhibit aquatic eutrophication? P Ekholm, J Lehtoranta Journal of environmental management 93 (1), 140-146, 2012 | 134 | 2012 |
Coastal eutrophication thresholds: a matter of sediment microbial processes J Lehtoranta, P Ekholm, H Pitkänen AMBIO: A Journal of the Human Environment 38 (6), 303-308, 2009 | 129 | 2009 |
Review of indexing tools for identifying high risk areas of phosphorus loss in Nordic catchments G Heckrath, M Bechmann, P Ekholm, B Ulén, F Djodjic, HE Andersen Journal of Hydrology 349 (1-2), 68-87, 2008 | 110 | 2008 |
Assessment of water protection targets for agricultural nutrient loading in Finland K Granlund, A Räike, P Ekholm, K Rankinen, S Rekolainen Journal of Hydrology 304 (1-4), 251-260, 2005 | 106 | 2005 |
Algal-available phosphorus originating from agriculture and municipalities P Ekholm Finnish Environment Institute, 1998 | 103 | 1998 |
Bioavailability of phosphorus in purified municipal wastewaters P Ekholm, K Krogerus Water Research 32 (2), 343-351, 1998 | 89 | 1998 |
An economic–ecological model to evaluate impacts of nutrient abatement in the Baltic Sea L Ahlvik, P Ekholm, K Hyytiäinen, H Pitkänen Environmental modelling & software 55, 164-175, 2014 | 79 | 2014 |
Agricultural lakes in Finland: current water quality and trends P Ekholm, S Mitikka Environmental Monitoring and Assessment 116, 111-135, 2006 | 77 | 2006 |
Phosphorus losses from agriculture to surface waters in the Nordic Countries. S Rekolainen, P Ekholm, B Ulen, A Gustafson | 71 | 1997 |
Gypsum amendment of soils reduces phosphorus losses in an agricultural catchment P Ekholm, P Valkama, E Jaakkola, M Kiirikki, K Lahti, L Pietola Agricultural and Food Science 21 (3), 279-291, 2012 | 70 | 2012 |
Influence of EU policy on agricultural nutrient losses and the state of receiving surface waters in Finland P Ekholm, K Granlund, P Kauppila, S Mitikka, J Niemi, K Rankinen, ... MTT Agrifood Research Finland, 2007 | 68 | 2007 |