Applying Ecological Risk Assessment Methodology for Outlining Ecosystem Effects of Ocean Energy Technologies

Conference Paper

Title: Applying Ecological Risk Assessment Methodology for Outlining Ecosystem Effects of Ocean Energy Technologies
Publication Date:
January 01, 2011
Conference Name: 9th European Wave and Tidal Energy Conference (EWTEC)
Conference Location: Southampton, UK
Pages: 8
Stressor:
Technology Type:

Document Access

Website: External Link

Citation

Hammar, L.; Gullström, M. (2011). Applying Ecological Risk Assessment Methodology for Outlining Ecosystem Effects of Ocean Energy Technologies. Paper Presented at the 9th European Wave and Tidal Energy Conference (EWTEC), Southampton, UK.
Abstract: 

With the increasing utilization of marine space and resources, ecosystem-based approaches to environmental assessments are requested. In this study the Ecological Risk Assessment (EcoRA) framework was used to outline risks from three ocean energy technologies; wave power, tidal current power, and ocean thermal energy conversion (OTEC). Our findings show that the potential risks from these new technologies include a multitude of ecosystem components and biological processes, which stretch over large spatiotemporal scales and motivate, the use of ecosystem-level assessment endpoints. In order to structure environmental assessments with such complex scope, assessment endpoints may preferably be associated with resilience in terms of maintaining ecosystem services. Moreover, cumulative effects from multiple stressors should be included. The systematic EcoRA methodology seems an appropriate tool for proactively assessing the risks from new technologies, such as ocean energy, in the complex and strained ocean environment.

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