Annex 12 - Code 12 - Declared fish habitat area

  Performance outcomes                                   Acceptable outcomes   Response
  Guidance for determining if the development will                             restoring a complex ecosystem to what is currently a
  have a significant residual impact on the matter of                          degraded aquatic environment.
  state environmental significance is provided in the
  Significant residual impact guideline, Department of                         Mangroves and seagrasses are not within the
  State Development, Infrastructure and Planning,                              footprint of this project and will not be impacted.
  2014. Where the significant residual impact is
  considered an acceptable impact on the matter of                             A small stand of mangroves is shoreward of the
  state environmental significance and an offset is                            proposed restoration footprint. Mangrove areal roots
  considered appropriate under the Environmental                               extend into the intertidal zone adjacent to the
  offsets framework, the offset should be delivered in                         proposed restoration footprint. Mangrove roots are
  accordance with the Environmental Offsets Act 2014.                          excluded from the restoration footprint at a minimum
                                                                               distance of 2m. Seagrass is found upstream and
                                                                               outside of the restoration footprint and is excluded
                                                                               from the footprint at a minimum distance of 10m from
                                                                               the footprint.
                                                                               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 the estuary (ESP 2021), it is
                                                                               anticipated that supplementary habitat provided as
                                                                               part of the proposed restoration project would be
State Development Assessment Provisions – version 2.6
State code 12: Development in a fish declared habitat area                                                     Page 32 of 39