Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Managing phosphorus input pressures for improving water quality at the catchment scale

Paul J. A. Withers, Shane A. Rothwell, Kirsty J. Ross

Journal of Environmental Management · 2024

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Summary

Withers, Rothwell and Ross present a methodological approach linking sector flow analysis outputs to measured river phosphorus data as a tool for evaluating catchment-scale water quality management. The authors propose this framework as a complimentary, internationally applicable approach for establishing and evidencing effective sector-specific mitigation targets and policies. Further testing across multiple catchments is recommended to validate the methodology's wider applicability.

UK applicability

This methodology is directly applicable to United Kingdom catchment management and water policy, particularly under Water Framework Directive implementation and agricultural nutrient management regulations. The approach could strengthen evidence-based policy design for phosphorus mitigation across UK farming sectors.

Key measures

River phosphorus concentrations, sector phosphorus flow analysis (SFA) outputs, catchment-scale phosphorus input pressures, mitigation effectiveness

Outcomes reported

The study evaluated phosphorus input pressures and their relationship to river phosphorus concentrations using sector flow analysis (SFA) linked to measured water quality data. The research demonstrated a methodology for evidencing effective sector-specific mitigation targets and policies at the catchment scale.

Theme
Policy, governance & rights
Subject
Food & agricultural policy
Study type
Research
Study design
Research (methodology development with empirical validation)
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Mixed farming
DOI
10.1016/j.jenvman.2024.122792
Catalogue ID
SNmov5ib87-rm0dzb

Topic tags

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