2211-31930 SRA - Approved Plans and Documents

                                                                                                                                                    Native Foresters




Table 2: Temporary impacts to marine plants

 CATALINA JETTY MARINE PLANTS TEMPORARY IMPACT

 Location                 Description of impact                           Type of disturbance                         Area of impact

                          Bare sand dominates, with:                      Revetment wall replacement will cause               Total Area: 1.65m2
                                                                          temporary loss of 15m2 marine plants.
 MP AREA- C               Dugong grass (Halophila ovalis)
 Section 1 & 2-           1 plant – 6 leaves (east)                                                                          Halophila ovalis (18%)
                                                                          Marine plants that face temporary                            Area: 0.3m2
 Eastern & Western                                                        impacts are expected to grow back within
 revetment wall.          Sea algae species                                                                                         Algae sp. (9%)          Development is
                                                                          5 years.
 River bed area. Refer    15 x small clumps (east & west)                                                                            Area: 0.15m2           limited to
                                                                          Care will be taken to ensure other marine
 to Figure 2 for areas.                                                                                                    Dead marine wood (73%)
                                                                          plants adjacent to the revetment works                                            temporarily
                          Dead marine wood (1.2m2) (east & west)          area are not disturbed.                                      Area: 1.2m2
                                                                                                                                                            remove, damage,
                                                                                                                               Total Area: 207.5m2          destroy marine
                          Semi-paved area contains-
                                                                                                                                                            plants within
                          Native spurge (Chamaesyce drummondii) and
                          Blue couch (Digitaria didactyla) within the                                                             Semi-paved Area:          209.15m2 in
 MP AREA- D               latticework-style paving.                                                                        Chamaesyce drummondii
 Section 3 –                                                              Access track and site holding/ storage                               (28%)        accordance with
 Holding/ storage                                                         area may cause the temporary loss of                         Area: 58.1m2         Condition 9 of
 area.                                                                    207.5m2 of marine plants that are within           Digitaria didactyla (2%)       referral agency
 Majority above                                                           or adjacent to tidal areas.                                  Area: 4.15m2
 mapped HAT.                                                                                                                                                response
                          Grass areas contain –
 Southern and central                                                     Marine plants that face temporary                             Grass Area:         2211-31930 SRA
 section of Lot 164.      Blue couch (Digitaria didactyla) and Buffalo    impacts are expected to grow back within
                          grass (Stenotaphrum secundatum), with 2                                                          Digitaria didactyla (40%)
 Refer to Figure 2 for                                                    5 years. No impacts will occur to the 2
                          Moreton Bay ash (Corymbia tessellaris). Grass                                                                  Area: 83m2
 areas.                                                                   Moreton Bay ash (Corymbia tessellaris).
                          may be temporarily impacted, however no                                                        Stenotaphrum secundatum
                          impacts to these 2 trees will occur.                                                                                 (30%)
                                                                                                                                     Area: 62.25m2


                                                                                       Total Temporary Impact                             209.15m2




Catalina Jetty, Gympie Terrace, Noosaville – Marine Plant Assessment                                                                          11