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Metallic mangroves: Sediments and in situ diffusive gradients in thin films (DGTs) reveal Avicennia marina (Forssk.) Vierh. lives with high contamination near a lead‑zinc smelter in South Australia.
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- Author(s): Kastury F;Kastury F;Kastury F;Kastury F; Cahill G; Cahill G; Fernando A; Fernando A; Fernando A; Brotodewo A; Brotodewo A; Huang J; Huang J; Juhasz AL; Juhasz AL; Vandeleur HM; Vandeleur HM; Vandeleur HM; Styan C; Styan C
- Source:
The Science of the total environment [Sci Total Environ] 2023 Jan 20; Vol. 857 (Pt 3), pp. 159503. Date of Electronic Publication: 2022 Oct 17.- Publication Type:
Journal Article- Language:
English - Source:
- Additional Information
- Source: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0330500 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1026 (Electronic) Linking ISSN: 00489697 NLM ISO Abbreviation: Sci Total Environ Subsets: MEDLINE
- Publication Information: Original Publication: Amsterdam, Elsevier.
- Subject Terms:
- Abstract: From 1889, aerial emissions and effluent from a coastal lead‑zinc smelter at Port Pirie, South Australia, have led to the accumulation of lead (Pb), zinc (Zn), arsenic (As), cadmium (Cd) and copper (Cu) in the surrounding marine environment. Despite this, extensive stands of grey mangrove (Avicennia marina) inhabit coastal areas at Port Pirie, right up to the smelter's boundary. To understand the contamination level the mangroves are living in there, elemental concentrations were measured in mangrove sediments, leaves, pneumatophores and fruits at sites 0.30-43.0 km from the smelter. Plant health was assessed via leaf chlorophyll content at four sites with contrasting contamination, as well as in situ labile elemental concentration using diffusive gradients in thin films (DGT). Sites < 1.7 km of the smelter exceeded Australian and New Zealand Environment and Conservation Council (ANZECC) & Agriculture and Resource Management Council of Australia and New Zealand (ARMCANZ) (2000) sediment quality guideline values for As (78.3-191 mg/kg), Cd (5.17-151 mg/kg), Cu (80.7-788 mg/kg), Pb (2,544-14,488 mg/kg) and Zn (281-62,097 mg/kg), while sites further away showed less enrichment above background. Similarly, elevated elemental concentrations in leaves and pneumatophores occurred closer to the smelter (up to 319 mg/kg Pb; 1,033 mg/kg Zn), while fruits had little contamination of non-essential elements (≤ 5.23 mg/kg). Relationship between sediment and leaf elemental concentration was isometric for Pb and anisometric for others. Labile As, Cd, Cu, Pb and Zn exceeded the 95% and 80% level of species protection in marine water by ANZECC & ARMCANZ (2000) near the smelter, but chlorophyll content did not vary significantly among sites (p > 0.05). These results reveal that A. marina tolerate high elemental contamination at Port Pirie, contributing to lesser but still high contamination in plants, warranting further investigation into non-lethal impacts on mangroves or additional biota inhabiting this ecosystem.
Competing Interests: Declaration of competing interest The authors declare no conflicting interest.
(Copyright © 2022 Elsevier B.V. All rights reserved.) - Contributed Indexing: Keywords: Bioaccumulation; Bioavailability; Ecotoxiology; Marine; Metal; Metalloid
- Accession Number: 0 (Metals, Heavy)
J41CSQ7QDS (Zinc)
2P299V784P (Lead)
0 (Water Pollutants, Chemical)
00BH33GNGH (Cadmium)
1406-65-1 (Chlorophyll) - Publication Date: Date Created: 20221020 Date Completed: 20221130 Latest Revision: 20221130
- Publication Date: 20240105
- Accession Number: 10.1016/j.scitotenv.2022.159503
- Accession Number: 36265646
- Source:
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