Annex 10 - Code 8 - Coastal Development & Tidal Works

  Performance outcomes                                  Acceptable outcomes   Response
                                                                              Water quality will be monitored at the restoration sites using
                                                                              standard parameters (pH, temperature, dissolved oxygen,
                                                                              salinity, total dissolved solid) and significant changes
                                                                              reported.
                                                                              The works will maintain recreational access to shorelines or
                                                                              the waters in which the oyster ecosystems grow. All
                                                                              shorelines with recreational access have been excluded
                                                                              from the selection process. Visual amenity will be
                                                                              maintained, as less than one third of the reef patch area will
                                                                              be exposed to view at low tide. Signage used to indicate the
                                                                              location of the restoration footprints will be optimised, with
                                                                              agency input, and will generally be considered temporary
                                                                              until the oyster ecosystems are established, at which time
                                                                              most signage, if not all will be removed from the river (as
                                                                              per government direction).
                                                                              The work also enhances cultural and spiritual connection to
                                                                              place, enjoying the support of Kabi Kabi Traditional Owners.
                                                                              Kabi Kabi Elders are providing the project with valuable
                                                                              cultural and historic information and share the common
                                                                              interest of restoring oyster beds and reefs to the Noosa
                                                                              River system.
                                                                              Declared FHA (A areas) – Noosa River
                                                                              Works propose to restore ecological values and enhance
                                                                              fisheries resources at the site by the restoration of oyster
                                                                              ecosystem to the Tewantin restoration site, which will
                                                                              provide habitat and food resources, breeding sites and
                                                                              nursery areas for marine fish.
                                                                              The works at the Tewantin restoration site will not impact on
                                                                              mangroves or seagrass.
                                                                              According to project consultants, ESP, macroalgae growing
                                                                              on rocks, dominated by Padina sp. is sparse (less than 15%
                                                                              of the surface area), with a footprint of less than 479m2.
                                                                              The macroalgal assemblages are in relatively poor condition
                                                                              due to high sediment loads observed on and around the
                                                                              existing rocky reef and rubble areas, with some sections of
                                                                              reef having a high coverage of fine sediment.
                                                                              ESP also confirmed that given the speed at which Padina
                                                                              can colonise hard surfaces (dead oyster shell) elsewhere in

State Development Assessment Provisions – version 2.6
State code 8: Coastal development and tidal works                                                                Page 13 of 20