“…Twenty-four sites (Table 5; Fig. 7) were selected a priori , representing a wide range of contamination, where mussels ( Xenostrobus securis ) resided in surface sediments [1]. In addition, 15 near-pristine sites (Table 4; Fig.…”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%
“…2Mean concentrations (% dry weight) (and 84% confidence limits; p ≤ 0.05) of particulate organic carbon, aluminium and iron in (a) surface sediment and (b) suspended particulate matter from study sites in the Hawkesbury Estuary. R1–11 are sites where the mussel, Xenostrobus securis , was present, and A, B, C and D are sites where mussels were absent (see Markich and Jeffree [1]) – see Fig. 7 for site locations.Fig.…”
Section: Datamentioning
confidence: 99%
“…The mean enrichment factors (EFs) for Cd, Cr, Cu, Pb and Zn in SPM (>0.2 μm) in the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S11). The cumulative mean metal EFs for the dissolved/colloidal (<0.2 μm) and SPM phases at each site are provided in Markich and Jeffree [1]. The mean EFs for Cd, Cr, Cu, Pb and Zn in surface sediments from the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S12).…”
Section: Datamentioning
confidence: 99%
“…The mean EFs for Cd, Cr, Cu, Pb and Zn in surface sediments from the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S12). The cumulative mean metal EFs for surface sediment at each site are provided in Markich and Jeffree [1]. Linear regression fits (r 2 values) for mean metal EFs between (i) surface sediment and SPM, (ii) surface sediment and filtered (<0.2 μm) water, and (iii) SPM and filtered (<0.2 μm) water, are given in Table 3.…”
Section: Datamentioning
confidence: 99%
“…7Location map showing the study sites in the Hawkesbury and Sydney estuaries, south-eastern Australia (inset). Of the 15 study sites in the Hawkesbury Estuary, R1–11 are sites where the mussel, Xenostrobus securis , was present, and A, B, C and D are sites where mussels were absent (see Markich and Jeffree [1]). …”
This article contains general physico-chemical data (salinity, pH, redox potential, temperature, dissolved oxygen, suspended particulate matter (SPM), dissolved organic carbon and chlorophyll
a
concentrations) for surface waters at 15 near-pristine sites in the Hawkesbury Estuary and 24 sites (encompassing a wide range of metal contamination) in the highly urbanized Sydney Estuary, south-eastern Australia. Data on concentrations of five key metals (cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb) and zinc (Zn)) in filtered (<0.2 μm) surface water, suspended particulate matter (>0.2 μm) and surface sediments (<2 mm) at each study site are also provided. The concentrations of Cd, Cr, Cu, Pb and Zn in SPM and sediment at each site were normalised for aluminium (Al) concentration (e.g. Cd/Al), to account for natural variation in particle size and mineralogy. Enrichment factors (EFs) were calculated from these data by dividing the mean metal concentration at each site in the Sydney Estuary, for each environmental matrix (i.e., filtered water, SPM and sediment), by its mean baseline metal concentration from near-pristine reference sites in the adjacent Hawkesbury Estuary. A thorough knowledge of the general physico-chemistry and key metal concentrations in surface waters and sediments in the Sydney Estuary provide a baseline to assess anthropogenic change and better manage estuarine/marine ecosystems.
“…Twenty-four sites (Table 5; Fig. 7) were selected a priori , representing a wide range of contamination, where mussels ( Xenostrobus securis ) resided in surface sediments [1]. In addition, 15 near-pristine sites (Table 4; Fig.…”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%
“…2Mean concentrations (% dry weight) (and 84% confidence limits; p ≤ 0.05) of particulate organic carbon, aluminium and iron in (a) surface sediment and (b) suspended particulate matter from study sites in the Hawkesbury Estuary. R1–11 are sites where the mussel, Xenostrobus securis , was present, and A, B, C and D are sites where mussels were absent (see Markich and Jeffree [1]) – see Fig. 7 for site locations.Fig.…”
Section: Datamentioning
confidence: 99%
“…The mean enrichment factors (EFs) for Cd, Cr, Cu, Pb and Zn in SPM (>0.2 μm) in the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S11). The cumulative mean metal EFs for the dissolved/colloidal (<0.2 μm) and SPM phases at each site are provided in Markich and Jeffree [1]. The mean EFs for Cd, Cr, Cu, Pb and Zn in surface sediments from the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S12).…”
Section: Datamentioning
confidence: 99%
“…The mean EFs for Cd, Cr, Cu, Pb and Zn in surface sediments from the Sydney Estuary, relative to physico-chemically similar estuarine waters, are provided in Appendix A (Table S12). The cumulative mean metal EFs for surface sediment at each site are provided in Markich and Jeffree [1]. Linear regression fits (r 2 values) for mean metal EFs between (i) surface sediment and SPM, (ii) surface sediment and filtered (<0.2 μm) water, and (iii) SPM and filtered (<0.2 μm) water, are given in Table 3.…”
Section: Datamentioning
confidence: 99%
“…7Location map showing the study sites in the Hawkesbury and Sydney estuaries, south-eastern Australia (inset). Of the 15 study sites in the Hawkesbury Estuary, R1–11 are sites where the mussel, Xenostrobus securis , was present, and A, B, C and D are sites where mussels were absent (see Markich and Jeffree [1]). …”
This article contains general physico-chemical data (salinity, pH, redox potential, temperature, dissolved oxygen, suspended particulate matter (SPM), dissolved organic carbon and chlorophyll
a
concentrations) for surface waters at 15 near-pristine sites in the Hawkesbury Estuary and 24 sites (encompassing a wide range of metal contamination) in the highly urbanized Sydney Estuary, south-eastern Australia. Data on concentrations of five key metals (cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb) and zinc (Zn)) in filtered (<0.2 μm) surface water, suspended particulate matter (>0.2 μm) and surface sediments (<2 mm) at each study site are also provided. The concentrations of Cd, Cr, Cu, Pb and Zn in SPM and sediment at each site were normalised for aluminium (Al) concentration (e.g. Cd/Al), to account for natural variation in particle size and mineralogy. Enrichment factors (EFs) were calculated from these data by dividing the mean metal concentration at each site in the Sydney Estuary, for each environmental matrix (i.e., filtered water, SPM and sediment), by its mean baseline metal concentration from near-pristine reference sites in the adjacent Hawkesbury Estuary. A thorough knowledge of the general physico-chemistry and key metal concentrations in surface waters and sediments in the Sydney Estuary provide a baseline to assess anthropogenic change and better manage estuarine/marine ecosystems.
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