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Updated: Jun 17, 2026
07:20
Design and Use of an Apparatus for Quantifying Bivalve Suspension Feeding at Sea
Published on: September 5, 2018
On implementing maximum economic yield in commercial fisheries
C M Dichmont1, S Pascoe, T Kompas
1Commonwealth Scientific and Industrial Research Organization Marine and Atmospheric Research, Cleveland, Queensland 4163, Australia. cathy.dichmont@csiro.au
Summary
Estimating maximum economic yield (MEY) for fisheries is complex. Achieving MEY requires collaboration among scientists, economists, industry, and managers, not just numerical calculation.
Area of Science:
- Fisheries science
- Bioeconomics
- Resource management
Background:
- Maximum economic yield (MEY) is increasingly adopted for fisheries management.
- Previous economic theory suggested MEY aligns with conservation goals.
- Real-world application of MEY reveals significant complexities.
Purpose of the Study:
- To identify challenges in estimating and implementing MEY in Australian fisheries.
- To explore the implications of different assumptions and constraints on MEY.
- To emphasize the need for stakeholder collaboration in operationalizing MEY.
Main Methods:
- Development of a bioeconomic model for an Australian fishery.
- Analysis of unconstrained optimization outcomes.
- Evaluation of MEY estimates under varying assumptions for constraints, prices, and costs.
Main Results:
- Unconstrained MEY optimization can yield unacceptable effort levels for industry and managers.
- Different constraint assumptions lead to varied, yet valid, MEY outcomes.
- Alternative price and cost treatments result in differing MEY estimates and effort trajectories.
Conclusions:
- Operationalizing MEY requires more than numerical estimation; it demands stakeholder consensus.
- Successful MEY implementation necessitates strong industry commitment and involvement.
- An adaptive management framework is crucial for transitioning to MEY.
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