2211-31930 SRA - Approved Plans and Documents

                                                                                                                                                     Native Foresters



Table 1: Permanent impacts to marine plants

 CATALINA JETTY MARINE PLANTS PERMANENT IMPACT
 Location                 Description of impact                              Type of disturbance                         Area of impact
                                                                             Revetment wall replacement will cause                Total Area: 13.2m2
                          Salt couch (Sporobolus virginicus) occurs          loss of 13.2m2 of marine plants.
                          scattered at the top of the bank and around the                                                 Casuarina glauca roots (15%)
                          access ramp with exposed Swamp she oak             Care will be taken to ensure other marine                    Area: 1.98m2
 MP AREA- A               (Casuarina glauca) roots.                          plants adjacent to the revetment wall          Sporobolus virginicus (5%)
                                                                             upgrade works footprint are not
 Section 1 -                                                                                                                              Area: 0.66m2
                          Remainder of area contains Blue couch (Digitaria   disturbed.
 Eastern revetment                                                                                                            Digitaria didactyla (50%)
                          didactyla) and Buffalo grass (Stenotaphrum
 wall & associated                                                                                                                         Area: 6.6m2
                          secundatum).
 grass area. Refer to                                                                                                       Stenotaphrum secundatum
 Figure 2 for areas.                                                                                                                              (28%)
                          Sea algae species
                                                                                                                                          Area: 3.83m2
                          6 x small clumps at base of wall
                                                                                                                                         Algae sp. (1%)
                                                                                                                                          Area: 0.13m2

                                                                             Cementitious injection grout may cause
                          Swamp she oak (Casuarina glauca) root system       loss of 9.3m2 of marine plants.                       Total Area: 9.3m2
 MP AREA- B               (at riverbank and underneath revetment wall)
 Section 2 -              with bare sand.                                                                                 Casuarina glauca root system
                                                                             Care will be taken to ensure other
 Western revetment                                                                                                                               (99%)
                                                                             mangroves and marine plants adjacent to
 wall & associated        Sea algae species                                                                                               Area: 9.2m2
                                                                             the works impact corridor are not
 river bank area. Refer                                                      disturbed.                                                 Algae sp. (1%)
                          2 x small clumps at base of wall
 to Figure 2 for areas.                                                                                                                   Area: 0.1m2


                                                                                          Total Permanent Impact                               22.5m2




                                                                 Development is limited to permanently remove,
                                                                 damage, destroy marine plants within 22.5m2 in
                                                                 accordance with Condition 8 of referral agency
                                                                 response 2211-31930 SRA
Catalina Jetty, Gympie Terrace, Noosaville – Marine Plant Assessment                                                                           10