2016-02-02 P&O Committee - Item 3 - Attachment 3 - Noosa River Environmental Values and Water Quality Objectives

Noosa River environmental values and water quality objectives




Table 8 Aquaculture EV: Water quality objectives for optimal growth of particular marine species
                                                                                       Kuruma
       Water parameter           Barramundi                   Tiger prawn               prawn
                           Hatchery       Grow out       Hatchery      Grow out       Grow out
    Dissolved oxygen      Saturation      >4.0mg/L       >4.0mg/L      >3.5mg/L       >4.0mg/L
                             28–30
                  0                         28–30
    Temperature C        optimum 25–                                     26–32            24
                                          optimum
                           31 range
    pH                        ~8             ~8             ~8          7.5–8.5        7.5–8.5
    Ammonia (TAN,
    total ammonia-                      0.1–0.5 mg/L
    nitrogen)
    Ammonia (NH3, un-
                          <0.1mg/L        <0.1mg/L       <0.1mg/L      <0.1mg/L       <0.1mg/L
    ionized form)
    Nitrate (NO3)         <1.0mg/L        <1.0mg/L       <1.0mg/L      <1.0mg/L       <1.0mg/L
    Nitrite (NO2)         <0.2mg/L        <20mg/L        <0.2mg/L      <0.2mg/L       <0.2mg/L
                                                                       10–25ppt       30–35 ppt
    Salinity              28–31ppt         0–35ppt
                                                                       optimum         optimum
                                       105–125mg/L
    Alkalinity
                                           CaCO3
                                                                       30–40cm        30–40cm
    Clarity
                                                                      Secchi disk    Secchi disk
    Hydrogen sulphide                     <0.3mg/L
    Iron                                 <0.02mg/L                     <1.0mg/L
    Spawning                           28–32 *strain
                                         dependent                      27–32
    temperature

Source: Department of Primary Industries and Fisheries - Water Quality in Aquaculture—DPI Notes April 2004.




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