13.2 The Wallis Lake Estuary Management Committee - Great Lakes ...

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Wallis Lake Estuary Management Plan Comments for strategy O.1 The OISAS project is a strategic initiative of the oyster industry and NSW Government designed to ensure the long-term viability and recovery of the oyster industry in NSW, in particular the Sydney Rock Oyster. The strategy will include a code of conduct, a compliance strategy for oyster aquaculture leases and environmental monitoring regimes. Priority aquaculture zones that are compatible with oyster farming requirements, community concerns and navigation will be identified in Wallis Lake with guidelines for facilitating council planning processes for oyster growing area protection measures, water quality objectives and best practice measures. A draft of the OISAS will be available in 2004. SEPP62 encourages sustainable aquaculture in NSW. However, in its current form it does not apply to natural water based aquaculture such as oyster farming. An oyster industry development plan for Wallis Lake will address any possible environmental consequences associated with intensive oyster farming. The Aquaculture Lease Survey Project was designed to enable more accurate system to reliably and precisely determine the boundaries of all aquaculture leases. In addition, this project will allow this data to be stored alongside quality assurance and control details in an easily accessible form to NSW DPI and other interests. The NSW Shellfish Program aims to ‘protect the health of shellfish consumers through the administration and application of procedures that (i) assess the risk of shellfish contamination by pathogenic bacteria and viruses, biotoxins and chemicals derived from the growing area, (ii) control the harvest of shellfish in accordance with the assessed risk, and (iii) protect shellfish from contamination after harvesting’ (Source: http://www.foodauthority.nsw.gov.au/pdf/Manual-Shellfish-Program.pdf). This program involves monthly sampling of water samples for faecal coliform and oyster meat for Escherichia coli. Every other fortnight NSW Food Authority conducts water and oyster meat testing as well as full phytoplankton counts and bio-toxin testing from 3 sites within Wallis lake. NSW Food Authority also conducts metal and pesticide analyses of oyster meat annually. Derelict and expired oyster lease material should be identified and assessed by all stakeholders including Waterways and DPI and prioritised for removal. GTCC has recently been approved to receive oyster stick waste from the Manning River and Wallis Lake. GTCC and GLC should facilitate the disposal of sticks by developing a pamphlet informing oyster growers of the service and outlining correct procedures for using the service. 56
Wallis Lake Estuary Management Plan O.2 Management Area A, D Management Objective Ensure that the land based components of oyster aquaculture (ie depuration and culling sheds) operate in a sustainable manner Action No O.2.1 O.2.2 O.2.3 Action Progress an Oyster Aquaculture Industry Land Assessment to address sustainability issues related to land based activities associated with the industry Consider depuration requirements for any possible relocations of the land based component of the oyster aquaculture industry as a result of O.2.1, and start planning and setting aside land in suitable locations immediately Consider the compatibility of oyster depuration and culling sheds with other activities in foreshore management planning Indicative Cost Priority Responsibilities Progress TBD High (C3) Lands, WLEMIC, oyster growers $10,000 + High (C3) Lands staff time Staff time Medium (C4) GLC Comments The Department of Lands plan to conduct an oyster aquaculture industry land based assessment. It is recommended that this assessment address the issues of: • oyster industry activities spreading outside lease areas into SEPP14 wetland • disposal of shell waste • disposal of tar treated timber infrastructure and transition to environmentally sustainable alternatives • depuration requirements, and • land-based tenure security. Land based assessments of the oyster aquaculture industry by Lands and DIPNR must ensure agreement of criteria and be conducted in close consultation with NSW DPI. 57
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