Marine Produce Australia: Cone Bay Barramundi Aquaculture ...
Marine Produce Australia: Cone Bay Barramundi Aquaculture ... Marine Produce Australia: Cone Bay Barramundi Aquaculture ...
Table 4.5 EQG for sediments EQG Indicator Sediment TKN TP TOC (LOI) Redox discontinuity Zone of Ecological Protection Moderate High Maximum (i) Median nutrient concentration calculated from pooled sites, on each sampling occasion, must be less than the 95%ile or 80%ile of Reference Site data*, or (ii) Median nutrient concentration at any site over a four month period must be less than the 95%ile or 80%ile of Reference Site data* (i) Median concentration of TOC calculated from pooled sites, on each sampling occasion, must be less than the 95%ile or 80%ile of Reference Site data*, or (ii) Median concentration of TOC at any site over a four month period must be less than the 95%ile or 80%ile of Reference Site data* (i) Median depth of redox discont. layer calculated from pooled sites, on each sampling occasion, must be no less than the 5%ile or 20%ile of Reference Site data*, or (ii) Median depth of redox discont. layer at any site over a four month must be no less than the 5%ile or 20%ile of Reference Site data* (i) Median nutrient concentration, calculated from pooled sites, on each sampling occasion must be less than the 80%ile of Reference Site data, or (ii) Median nutrient concentration at any site over a four month period must be less than the 80%ile of Reference Site data (i) Median concentration of TOC, calculated from pooled sites, on each sampling occasion must be less than the 80%ile of Reference Site data, or (ii) Median concentration of TOC at any site over a four month period must be less than the 80%ile of Reference Site data (i) Median depth of redox discont. layer calculated from pooled sites, on each sampling occasion, must be no less than the 20%ile of Reference Site data, or (ii) Median depth of redox discont. layer at any site over a four month must be no less than the 20%ile of Reference Site data (i) Median nutrient concentration, calculated from pooled sites, on each sampling occasion must be less than the 70%ile of Reference Site data, or (ii) Median nutrient concentration at any site over a four month period must be less than the 80%ile of Reference Site data (i) Median concentration of TOC, calculated from pooled sites, on each sampling occasion must be less than the 70%ile of Reference Site data, or (ii) Median concentration of TOC at any site over a four month period must be less than the 70%ile of Reference Site data (i) Median depth of redox discont. layer calculated from pooled sites, on each sampling occasion, must be no less than the 30%ile of Reference Site data, or (ii) Median depth of redox discont. layer at any site over a four month must be no less than the 20%ile of Reference Site data Notes: * The actual percentile used will depend on the positioning of sea-cages relative to the MEPA/HEPA boundary (see text in Section 5.1) 24 Oceanica: Marine Produce Australia: Cone Bay Barramundi Aquaculture, Environmental Monitoring & Management Plan
Environmental Quality Standards The EQS for sediment nutrients are outlined in Table 4.6. Table 4.6 EQS for sediments EQS Indicator Sediments TKN TP TOC (LOI) Redox discontinuity Moderate Zone of Ecological Protection High Maximum If EQG (i) and/or (ii) is exceeded and the exceedance is based on the moderate protection guideline (95%): (i) Evaluation of images taken beneath and within 10 m of the sea-cages must not indicate presence of white bacterial matts, black sediments, bubbles of hydrogen sulphide or a significant reduction in the presence of animal tracks, or bioturbator burrows, relative to Reference Sites, or (ii) Sediment infauna community species richness, based on the Inverse Simpson Index, not to be five times less than background (indicative of moderate impact), or (iii) Median bottom water DO on each sampling occasion must be greater than 60% saturation and not the result of a regional event as indicated by similar reductions in DO at the Reference Sites, or (iv) Median bottom water DO at any site over a four month period must be greater than 60% saturation If EQG (i) and/or (ii) is exceeded and the exceedance is based on the high protection guideline (80%ile): Proceed to EQS for high and maximum protection If EQG (i) and/or (ii) is exceeded and the exceedance is based on the moderate protection guideline (95%): (i) Evaluation of images taken beneath and within 10 m of the sea-cages must not indicate presence of white bacterial matts, black sediments, bubbles of hydrogen sulphide or a significant reduction in the presence of animal tracks, or bioturbator burrows, relative to Reference Sites, or (ii) Sediment infauna community species richness, based on the Inverse Simpson Index, not to be five times less than background (indicative of moderate impact), or (iii) Median bottom water DO on each sampling occasion must be greater than 60% saturation and not the result of a regional event as indicated by similar reductions in DO at the Reference Sites, or (iv) Median bottom water DO at any site over a four month period must be greater than 60% saturation If EQG (i) and/or (ii) is exceeded and the exceedance is based on the high protection guideline (80%ile): Proceed to EQS for high and maximum protection (i) Sediment infauna community species richness, based on the Inverse Simpson Index, not to be less than half that of background (indicative of minor impact), or (ii) Median bottom water DO on each sampling occasion must be greater than 60% saturation and not the result of a regional event as indicated by similar reductions in DO at the Reference Sites, or (iii) Median bottom water DO at any site over a four month period must be greater than 60% saturation (i) Sediment infauna community species richness, based on the Inverse Simpson Index, not to be less than half that of background (indicative of minor impact), or (ii) Median bottom water DO on each sampling occasion must be greater than 60% saturation and not the result of a regional event as indicated by similar reductions in DO at the Reference Sites; or, (iii) Median bottom water DO at any site over a four month period must be greater than 60% saturation Oceanica: Marine Produce Australia: Cone Bay Barramundi Aquaculture, Environmental Monitoring & Management Plan 25
- Page 1: Marine Produce Australia: Cone Bay
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- Page 7 and 8: Contents 1.� Purpose of this docu
- Page 9: List of Figures Figure 1.1� Locat
- Page 12 and 13: Table 1.1 Environmental Values and
- Page 14 and 15: In addition to the Conditions and C
- Page 17: Note: The habitats shown above are
- Page 20 and 21: 2.3.1 Site selection Aquaculture ca
- Page 22 and 23: 3. Environmental Objectives 3.1 Bes
- Page 24 and 25: 4. Marine Monitoring Program Fish-f
- Page 26 and 27: the bottom of the water column. Sta
- Page 28 and 29: Table 4.2 EQG for water quality EQG
- Page 30 and 31: Table 4.3 EQS for water quality EQS
- Page 32 and 33: 4.2 Sediment quality monitoring 4.2
- Page 36 and 37: 4.3 Coral reef monitoring 4.3.1 Obj
- Page 38 and 39: Indicator Light attenuation Chlorop
- Page 40 and 41: 4.4 Sediment infauna monitoring 4.4
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- Page 44 and 45: 4.5 Biota monitoring and management
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- Page 50 and 51: sample median calculated. However,
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- Page 54 and 55: 5.4.2 Movement of stock Movement or
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- Page 67 and 68: EPA (2008) Report and recommendatio
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Table 4.5 EQG for sediments<br />
EQG Indicator<br />
Sediment<br />
TKN<br />
TP<br />
TOC (LOI)<br />
Redox<br />
discontinuity<br />
Zone of Ecological Protection<br />
Moderate High Maximum<br />
(i) Median nutrient<br />
concentration calculated<br />
from pooled sites, on<br />
each sampling occasion,<br />
must be less than the<br />
95%ile or 80%ile of<br />
Reference Site data*, or<br />
(ii) Median nutrient<br />
concentration at any site<br />
over a four month period<br />
must be less than the<br />
95%ile or 80%ile of<br />
Reference Site data*<br />
(i) Median concentration<br />
of TOC calculated from<br />
pooled sites, on each<br />
sampling occasion, must<br />
be less than the 95%ile<br />
or 80%ile of Reference<br />
Site data*, or<br />
(ii) Median concentration<br />
of TOC at any site over a<br />
four month period must<br />
be less than the 95%ile<br />
or 80%ile of Reference<br />
Site data*<br />
(i) Median depth of redox<br />
discont. layer calculated<br />
from pooled sites, on<br />
each sampling occasion,<br />
must be no less than the<br />
5%ile or 20%ile of<br />
Reference Site data*, or<br />
(ii) Median depth of<br />
redox discont. layer at<br />
any site over a four<br />
month must be no less<br />
than the 5%ile or 20%ile<br />
of Reference Site data*<br />
(i) Median nutrient<br />
concentration, calculated<br />
from pooled sites, on<br />
each sampling occasion<br />
must be less than the<br />
80%ile of Reference Site<br />
data, or<br />
(ii) Median nutrient<br />
concentration at any site<br />
over a four month period<br />
must be less than the<br />
80%ile of Reference Site<br />
data<br />
(i) Median concentration<br />
of TOC, calculated from<br />
pooled sites, on each<br />
sampling occasion must<br />
be less than the 80%ile<br />
of Reference Site data, or<br />
(ii) Median concentration<br />
of TOC at any site over a<br />
four month period must<br />
be less than the 80%ile<br />
of Reference Site data<br />
(i) Median depth of redox<br />
discont. layer calculated<br />
from pooled sites, on<br />
each sampling occasion,<br />
must be no less than the<br />
20%ile of Reference Site<br />
data, or<br />
(ii) Median depth of<br />
redox discont. layer at<br />
any site over a four<br />
month must be no less<br />
than the 20%ile of<br />
Reference Site data<br />
(i) Median nutrient<br />
concentration, calculated<br />
from pooled sites, on<br />
each sampling occasion<br />
must be less than the<br />
70%ile of Reference Site<br />
data, or<br />
(ii) Median nutrient<br />
concentration at any site<br />
over a four month period<br />
must be less than the<br />
80%ile of Reference Site<br />
data<br />
(i) Median concentration<br />
of TOC, calculated from<br />
pooled sites, on each<br />
sampling occasion must<br />
be less than the 70%ile<br />
of Reference Site data, or<br />
(ii) Median concentration<br />
of TOC at any site over a<br />
four month period must<br />
be less than the 70%ile<br />
of Reference Site data<br />
(i) Median depth of redox<br />
discont. layer calculated<br />
from pooled sites, on<br />
each sampling occasion,<br />
must be no less than the<br />
30%ile of Reference Site<br />
data, or<br />
(ii) Median depth of<br />
redox discont. layer at<br />
any site over a four<br />
month must be no less<br />
than the 20%ile of<br />
Reference Site data<br />
Notes:<br />
* The actual percentile used will depend on the positioning of sea-cages relative to the MEPA/HEPA boundary (see<br />
text in Section 5.1)<br />
24 Oceanica: <strong>Marine</strong> <strong>Produce</strong> <strong>Australia</strong>: <strong>Cone</strong> <strong>Bay</strong> <strong>Barramundi</strong> <strong>Aquaculture</strong>, Environmental Monitoring & Management Plan