Trade-offs and synergies in the management of environmental pressures: a case study on ship noise mitigation
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View abstract on PubMed
Summary
This summary is machine-generated.Shipping noise harms marine life, but a holistic approach to mitigation is key. Evaluating noise reduction strategies reveals that speed reduction offers the most benefits with minimal trade-offs for other shipping impacts.
Area Of Science
- Marine Biology
- Environmental Science
- Maritime Management
Background
- Shipping activities generate underwater noise, a significant pollutant impacting marine ecosystems.
- Existing management strategies often address single pressures sequentially, potentially missing cumulative effects.
Purpose Of The Study
- To evaluate the synergies and trade-offs of six shipping noise mitigation measures on other shipping pressures.
- To develop a framework for holistic management of ship traffic impacts.
Main Methods
- Expert judgment and peer-reviewed literature were used to assess mitigation measures.
- A framework was applied to evaluate synergistic and trade-off effects on various shipping pressures.
- The scale of effects and strength of evidence were considered for each measure.
Main Results
- Ship speed reduction showed mostly synergies with few trade-offs.
- Frequent hull/propeller cleaning had fewer synergies but minimal trade-offs.
- Conveying demonstrated the most trade-offs with other shipping pressures.
- Rerouting and incentivizing fewer, larger ships had context-dependent outcomes.
Conclusions
- Holistic management considering cumulative effects is crucial for minimizing ship traffic impacts.
- Carefully implemented mitigation measures can yield multiple benefits across different shipping pressures.
- Speed reduction emerges as a promising strategy with broad positive implications.
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