Eco-Efficiency Assessment in Agricultural Systems
Summary
Eco-efficiency assessment in agricultural systems evaluates the ratio of useful agricultural output to the environmental impacts incurred during production. It seeks to inform sustainable intensification by identifying practices that maintain or increase crop and livestock yields while minimising resource use and externalities such as greenhouse-gas emissions, nutrient run-off and soil degradation. Methodologies typically combine economic and environmental indicators within frontier-benchmarking frameworks to estimate technical and scale efficiencies. Spatial and temporal analyses reveal regional disparities in performance, driven by climate, policy regimes and farm structure. Advances in remote sensing, life-cycle assessment and high-resolution datasets have enhanced the precision of input–output accounting and the inclusion of undesirable outputs. The results guide investment in precision farming technologies, targeted subsidy schemes and landscape-level conservation measures. In practice, eco-efficiency metrics support decision-making from individual farms through to national policy, aligning agricultural productivity with global climate and biodiversity objectives. A growing body of research emphasises the importance of context-specific benchmarks and the integration of socio-economic factors, highlighting pathways to reconcile food security with environmental stewardship on a global scale.
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Eco-Efficiency Assessment in Agricultural Systems publication trend
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Technical terms
Eco-efficiency: The ratio of economic output (yield or income) to environmental impact (resource use or emissions).
Data envelopment analysis (DEA): A non-parametric technique to assess relative efficiency by comparing multiple input–output combinations.
Stochastic frontier analysis (SFA): A parametric method that estimates an efficiency frontier while accounting for random noise.
Technical efficiency: The degree to which a farm converts inputs into outputs relative to the best observed practice.
Undesirable outputs: By-products of production such as greenhouse-gas emissions or nutrient leaching that detract from overall sustainability.
References
- The role of rational decisions in technical inefficiency analysis of Spanish pig farms: The influence of water use management. Resources Conservation and Recycling (2023).
- Green Transition of Cultivated Land Use in the Yellow River Basin: A Perspective of Green Utilization Efficiency Evaluation. Land (2020).
- Land tenure, soil conservation, and farm performance: An eco-efficiency analysis of Austrian crop farms. Ecological Economics (2021).
- Detection and attribution of changes in cultivated land use ecological efficiency: A case study on Yangtze River Economic Belt, China. Ecological Indicators (2022).
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