Garden Island Causeway Workshop Summary
Westport: Port and Environs Strategy (Westport) is a comprehensive research, data and feedback-gathering project to deliver the Westport Strategy. This will be an integrated plan to meet the freight and logistics needs for Perth and the South West for the next 50 to 100 years. The Western Australian Marine Science Institution (WAMSI) is currently working with Westport to provide marine science information to support their decision making. More specifically, WAMSI is interested in understanding gaps in marine science information to identify areas for future research focus.
The WAMSI Garden Island Causeway (GIC) Workshop was rapidly convened to assist Westport make an immediate decision on whether to pursue an opportunity to modify the GIC to improve the ecological health of the system. To provide immediate advice to Westport, WAMSI convened a workshop with 24 scientists and managers with expertise working within Cockburn Sound (refer to List of Attendees; Attachment 1) to determine whether or not modification of the GIC should be considered.
To provide structure to the workshop, a series of short background presentations on some of the ecological components including: hydrodynamics; seagrass; fish, and; coastal processes (refer to WAMSI Workshop Agenda, Attachment 2). The group was then divided into four groups that workshopped three major questions:
Workshop question 1: What’s the problem in southern Cockburn Sound?
Workshop question 2: Does the GIC have a net benefit or net impact to the social and environmental values of the system?
Workshop question 3: Would an increase in flow from the GIC southern end of Cockburn Sound have a net benefit or net impact to the social and environmental values of the system?
The group findings were presented to the wider workshop and were discussed and distilled into major points.
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