Annex 11 - Code 11 - Marine Plants

  Performance outcomes                                              Acceptable outcomes                    Response
  fragmentation of fish habitats and their values                                                          The restoration of oyster ecosystems aims to
  and the loss of fish movement.                                                                           enhance and augment existing fish habitat and avoid
                                                                                                           unnecessary loss, degradation or fragmentation of
  Note: For more information, refer to relevant fish                                                       fish habitats and their values and the loss of fish
                                                                                                           movement through a supplemental restoration
  habitat management operational policies and fish
                                                                                                           approach to improve the mosaic of habitats available
  habitat guidelines:                                                                                      to fish and restore once prolific oyster ecosystems
      1.   Management and protection of marine plants and other                                            and associated fish habitat in the estuary.
           tidal fish habitats (FHMOP 001), Department of Primary
           Industries and Fisheries, 2007                                                                  The design is below Mean High Water Spring and
      2. Tidal fish habitats, erosion control and beach                                                    requires works to have no adverse effects on higher
           replenishment (FHMOP 010), Department of Primary                                                value marine plant habitat including seagrass,
           Industries and Fisheries, 2007                                                                  saltmarsh and mangroves. Minimum distances from
      3.   Dredging, extraction and spoil disposal activities
                                                                                                           marine vegetation are specified to ensure high value
           (FHMOP 004), Department of Primary Industries, 1998
                                                                                                           marine plants are protected (as outlined in Section
      4.   Departmental procedures for permit applications
           assessment and approvals for insect pest control in
                                                                                                           2.3, Table 2.2. of the Project Restoration Plan and in
           wetlands (FHMOP 003), Department of Primary                                                     ICM drawing NROR-2021-00). The exception to this is
           Industries, 1996                                                                                the temporary impacts at the Tewantin site, which is
      5. Fisheries guidelines for fish-friendly structures (FHG                                            an existing degraded rocky substrate with some
           006), Department of Primary Industries and Fisheries,                                           marine plants (macroalgae) present that would benefit
           2006.                                                                                           from the habitat restoration proposed.

                                                                                                           The design ensures the structures do not impose on
                                                                                                           fish movement, with 1m to 4m distance between rock
                                                                                                           patches maintained, and is expected to enhance
                                                                                                           habitat complexity and connectivity within a
                                                                                                           restoration site. This restoration substrate provides
                                                                                                           structured 3-dimensional habitat that is known to
                                                                                                           support diverse fish assemblages elsewhere. The
                                                                                                           plans are designed to fit within the existing mosaic of
                                                                                                           available fish habitats and improve connectivity
                                                                                                           between existing fringing marine plant and reef
                                                                                                           habitats.

  PO7 Development does not increase the risk of                     No acceptable outcome is prescribed.   Complies with PO6
  mortality, disease or injury, or compromise the
  health, productivity, marketability or suitability for                                                   The project does not increase risk of mortality,
  human consumption of fisheries resources,                                                                disease or injury, or compromise the health,
                                                                                                           productivity, marketability or suitability for human
  having regard to (but not limited to):
                                                                                                           consumption of fisheries resources as a result of

State Development Assessment Provisions – version 2.6
State code 11: Removal, destruction or damage of marine plants                                                                             Page 9 of 24