5.2 Mangroves

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  • #7678
    Rowena Kite
    Participant

      Hello,

      What are the dimensions of the coastline of Saibai? How deep is the water immediately off the island, and the depth of the water where they are currently planted?

      Thanks in advance!

      #7703
      Sai Rupa Dev
      Keymaster

        Hi Rowena,

        Saibai’s coastline stretches approximately 15kms. The depth of water immediately off the island varies with tidal changes, rainfall patterns, time of the year etc. But Saibai is in shallow waters and depth could be less than 10 mts at low tide and more than 30 mts at high tide. It is difficult to ascertain the plantation depth of the coastal mangroves, but my guess estimate would be between 7 mts to 25 mts.

        Cheers,
        Sai

        #8002
        Andrew McGlashan
        Participant

          To whom it may concern,

          We are completing ENEG11007 at CQU. We have chosen to investigate Design Area 5.2, coastal erosion protection on Saibai Island, for our project. Considering the broad scope identified in the EWB Challenge Brief, we would like to ask if you could provide some more clarity about the specific scope of this design area.
          We have taken into consideration the considerably slow growth of mangroves and would like some more details so that we can refine our project scope, schedule and risk assessment.

          To refine these areas, is there further details you can provide around:

          -Is the mangrove growth or erosion a seasonal issue?
          -What local resources are already available on Saibai Island?

          -What current community engagement strategies are available on the Island?

          -Does the community need a permanent or temporary solution (for example, an artificial reef to wait for mangrove growth)?

          -Are there any time restrictions to establish mangroves or stop erosion?

          -What current controls or measures are currently in place or available?

          -What is the extent or area of erosion/mangrove restoration?

          -What’s at risk? Industry, housing, foreshore or other?

          -Are we correct in assuming that it is preferable to produce a low-maintenance solution, that the community can monitor?

          -What are the safety and risks of erosion/mangrove loss (environmental, personal, industry)?

          -What industries are active on the island? It would be great to have some understanding of the context. What happens on the island, population, jobs, etc?

          -Is the desired objective or result just erosion control, or does the community have other desired benefits in mind?

          Thanks! Your clarification is appreciated,

          Online Group 2.

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