P. Ekholm

发表

Review of indexing tools for identifying high risk areas of phosphorus loss in Nordic catchments

Hans Estrup Andersen, Petri Ekholm, Goswin Heckrath, 2008 .

Estimating aggregated nutrient fluxes in four Finnish rivers via Gaussian state space models

J. Helske, J. Nyblom, K. Meissner, 2013 .

Simulated effects of gypsum amendment on phosphorus losses from agricultural soils

P. Ekholm, E. Jaakkola, M. Posch, 2012 .

Integrating Ecological and Economic Modeling of Eutrophication: Toward Optimal Solutions for a Coastal Area Suffering from Sediment Release of Phosphorus

A. Huhtala, P. Ekholm, M. Kiirikki, 2009, Ambio.

Simulation of dissolved phosphorus from cropped and grassed clayey soils in southern Finland

E. Turtola, M. Puustinen, P. Ekholm, 1999 .

Labile organic carbon regulates phosphorus release from eroded soil transported into anaerobic coastal systems

P. Ekholm, J. Lehtoranta, R. Uusitalo, 2015, AMBIO.

Runoff changes have a land cover specific effect on the seasonal fluxes of terminal electron acceptors in the boreal catchments.

P. Kortelainen, P. Ekholm, J. Lehtoranta, 2017, The Science of the total environment.

Internal and external loading as regulators of nutrient concentrations in the agriculturally loaded Lake Pyhäjärvi (southwest Finland)

P. Ekholm, T. Kirkkala, O. Malve, 1997, Hydrobiologia.

Eutrophication-driven sediment microbial processes can explain the regional variation in phosphorus concentrations between Baltic Sea sub-basins

P. Ekholm, H. Pitkänen, J. Lehtoranta, 2008 .

Cost effective water protection in the Gulf of Finland – Focus on St. Petersburg

P. Ekholm, A. Leppänen, M. Kiirikki, 2003 .

Land Cover Controls the Export of Terminal Electron Acceptors from Boreal Catchments

P. Kortelainen, P. Ekholm, J. Lehtoranta, 2014, Ecosystems.

Structural analysis of water-soluble and -insoluble β-glucans of whole-grain oats and barley

P. Ekholm, P. Tuomainen, P. Ekholm, 2004 .

Assessment of water protection targets for agricultural nutrient loading in Finland

P. Ekholm, S. Rekolainen, A. Raike, 2005 .

Nutrient inputs into the Gulf of Finland: Trends and water protection targets

S. Knuuttila, P. Ekholm, A. Raike, 2017 .

Phosphorus and nitrogen fluxes carried by 21 Finnish agricultural rivers in 1985–2006

P. Ekholm, A. Räike, K. Rankinen, 2015, Environmental Monitoring and Assessment.

Coupled biogeochemical cycles and ecosystem services

P. Kortelainen, P. Ekholm, J. Lehtoranta, 2014 .

Coastal Eutrophication Thresholds: A Matter of Sediment Microbial Processes

P. Ekholm, H. Pitkänen, J. Lehtoranta, 2009, Ambio.

Assessment of soluble phosphorus load in surface runoff by soil analyses

M. Yli-Halla, E. Turtola, M. Puustinen, 1995 .

Retaining agricultural nutrients in constructed wetlands—experiences under boreal conditions

M. Räty, M. Puustinen, J. Koskiaho, 2003 .

The effect of gypsum on phosphorus losses at the catchment scale

P. Ekholm, E. Jaakkola, M. Kiirikki, 2011 .

Influence of dietary soy and phytase levels on performance and body composition of large rainbow trout (Oncorhynchus mykiss) and algal availability of phosphorus load

P. Ekholm, J. Vielma, J. Koskela, 2000 .

Structural characterization of water-insoluble nonstarchy polysaccharides of oats and barley

Petri Ekholm, Maija Ylinen, P. Ekholm, 2005 .

Phosphorus in runoff assessed by anion exchange resin extraction and an algal assay.

P. Ekholm, R. Uusitalo, Risto Uusitalo, 2003, Journal of environmental quality.

Bioavailability of phosphorus in purified municipal wastewaters

P. Ekholm, K. Krogerus, 1998 .

Ca-Fe oxide granules as potential phosphate barrier material for critical source areas: a laboratory study of P retention and release

E. Turtola, P. Ekholm, J. Lehtoranta, 2012 .

Phosphorus loss from different farming systems estimated from soil surface phosphorus balance

E. Turtola, J. Grönroos, P. Ekholm, 2005 .

Relationship between catchment characteristics and nutrient concentrations in an agricultural river system

Petri Ekholm, Kari Kallio, Seppo Rekolainen, 2000 .

Availability of phosphorus in suspended sediments estimated by chemical extraction and bioassay

M. Yli-Halla, P. Ekholm, P. Kylmälä, 1991 .

Follow-up study on the impacts of agri-environmental measures in Finland

T. Hyvönen, P. Ekholm, J. Aakkula, 2012 .

Algal-available phosphorus entering the Gulf of Finland as estimated by algal assays and chemical analyses.

P. Ekholm, H. Pitkänen, H. Rita, 2009, Journal of environmental quality.

Bioavailability of phosphorus in agriculturally loaded rivers in southern Finland

P. Ekholm, 1994, Hydrobiologia.

N:P RATIOS IN ESTIMATING NUTRIENT LIMITATION IN AQUATIC SYSTEMS

P. Ekholm, 2012 .

An economic-ecological model to evaluate impacts of nutrient abatement in the Baltic Sea

Lassi Ahlvik, Petri Ekholm, Kari Hyytiäinen, 2014, Environ. Model. Softw..

Evaluation of the accuracy and precision of annual phosphorus load estimates from two agricultural basins in Finland

Petri Ekholm, Maximilian Posch, Juha Kämäri, 1991 .

Agricultural Lakes in Finland: Current Water Quality and Trends

P. Ekholm, S. Mitikka, Sari Mitikka, 2006, Environmental monitoring and assessment.

Does control of soil erosion inhibit aquatic eutrophication?

P. Ekholm, J. Lehtoranta, 2012, Journal of environmental management.

The INtegrated CAtchment model of phosphorus dynamics (INCA-P): Description and demonstration of new model structure and equations

L.A. Jackson-Blake, A.J. Wade, M.N. Futter, 2016, Environ. Model. Softw..

Impacts of climatic change on agricultural nutrient losses in Finland

P. Ekholm, H. Johnsson, S. Rekolainen, 1997 .

Influence of EU policy on agricultural nutrient losses and the state of receiving surface waters in Finland

P. Ekholm, P. Kauppila, A. Raike, 2008 .

Lakes in the Finnish Eurowaternet: status and trends.

P. Ekholm, S. Mitikka, 2003, The Science of the total environment.

Algal-available phosphorus originating from agriculture and municipalities

P. Ekholm, 1998 .

A comparison of methods for nutrient source apportionment in Nordic rivers

S. Knuuttila, P. Ekholm, S. Salo, 1997 .

Land Cover Controls the Export of Terminal Electron Acceptors from Boreal Catchments

P. Kortelainen, P. Ekholm, J. Lehtoranta, 2015, Ecosystems.

Determining algal-available phosphorus of differing origin: routine phosphorus analyses versus algal assays

P. Ekholm, K. Krogerus, 2003, Hydrobiologia.

Novel methods for reducing agricultural nutrient loading and eutrophication

E. Turtola, P. Ekholm, W. Chardon, 2010 .

Diffuse sources dominate the sulfate load into Finnish surface waters.

M. Taka, P. Ekholm, J. Lehtoranta, 2020, The Science of the total environment.

Gypsum amendment of soils reduces phosphorus losses in an agricultural catchment

P. Ekholm, E. Jaakkola, M. Kiirikki, 2012 .

Optimal Phosphorus Abatement Redefined: Insights From Coupled Element Cycles

P. Kortelainen, P. Ekholm, J. Lehtoranta, 2017 .

The economics of the state of the Baltic Sea : pre-study assessing the feasibility of a cost-benefit analysis of protecting the Baltic Sea ecosystem

S. Kuikka, A. Huhtala, P. Ekholm, 2009 .

Phosphorus losses from agriculture to surface waters in the Nordic Countries.

H. Tunney, O. Carton, P. Brookes, 1997 .

Determining algal-available phosphorus in pulp and paper mill effluents: algal assays vs routine phosphorus analyses.

Hannu Nurmesniemi, Timo Jouttijärvi, Petri Ekholm, 2007, Environmental pollution.

Agricultural phosphorus losses and eutrophication in Nordic-Baltic countries

P. Ekholm, 2008 .

Availability of Soil Phosphorus to The Green Algae Selenastrum Capricornutum

P. Ekholm, K. Krogerus, 1999 .

The circular nutrient economy: needs and potentials of nutrient recycling

S. Luostarinen, P. Ekholm, H. Valve, 2020 .

Phosphorus in settling matter and bottom sediments in lakes loaded by agriculture

P. Ekholm, K. Krogerus, 2003, Hydrobiologia.

Tools for Assessing Phosphorus Loss from Nordic Agriculture

G. Heckrath, H. E. Andersen, P. Olsen, 2005 .

Reversibly adsorbed phosphorus in agriculturally loaded rivers in southern Finland

P. Ekholm, M. Halla, 1992 .

Accuracy and precision of annual nutrient load estimates in Nordic rivers

B. Kronvang, P. Ekholm, S. Rekolainen, 1995 .

Tools for Assessing Phosphorus Loss from

G. Heckrath, H. E. Andersen, P. Olsen, 2005 .

Gypsum amendment of arable fields as a water protection measure – farmers’ experience, phosphorus reduction potential and associated costs drawn from a large scale pilot

M. Ollikainen, P. Ekholm, A. Kosenius, 2020, Agricultural and Food Science.

Efficient protection of the Baltic Sea needs a revision of phosphorus metric

P. Ekholm, J. Lehtoranta, R. Uusitalo, 2023, Ambio.

Does control of soil erosion inhibit aquatic eutrophication?

P. Ekholm, J. Lehtoranta, 2012, Journal of environmental management.