Effects of alumina refinery wastewater and signature metal constituents at the upper thermal tolerance of: 1. The tropical diatom Nitzschia closterium
Harford, AJ; Hogan, AC; Tsang, JJ; Parry, DL; Negri, AP; Adams, MS; Stauber, JL; van Dam, RA
| HERO ID | 1759075 |
|---|---|
| In Press | No |
| Year | 2011 |
| Title | Effects of alumina refinery wastewater and signature metal constituents at the upper thermal tolerance of: 1. The tropical diatom Nitzschia closterium |
| Authors | Harford, AJ; Hogan, AC; Tsang, JJ; Parry, DL; Negri, AP; Adams, MS; Stauber, JL; van Dam, RA |
| Journal | Marine Pollution Bulletin |
| Volume | 62 |
| Issue | 3 |
| Page Numbers | 466-473 |
| Abstract | Ecotoxicological studies, using the tropical marine diatom, Nitzschia closterium (72-h growth rate), were undertaken to assess potential issues relating to the discharge from an alumina refinery in northern Australia. The studies assessed: (i) the species' upper thermal tolerance; (ii) the effects of three signature metals, aluminium (Al), vanadium (V) and gallium (Ga) (at 32°C); and (iii) the effects of wastewater (at 27 and 32°C). The critical thermal maximum and median inhibition temperature for N. closterium were 32.7°C and 33.1°C, respectively. Single metal toxicity tests found that N. closterium was more sensitive to Al compared to Ga and V, with IC(50)s (95% confidence limits) of 190 (140-280), 19,640 (11,600-25,200) and 42,000 (32,770-56,000) μg L(-1), respectively. The undiluted wastewater samples were of low toxicity to N. closterium (IC(50)s>100% wastewater). Environmental chemistry data suggested that the key metals and discharge are a very low risk to this species. |
| Doi | 10.1016/j.marpolbul.2011.01.013 |
| Pmid | 21310438 |
| Wosid | WOS:000288977300013 |
| Is Certified Translation | No |
| Dupe Override | No |
| Comments | Source: Web of Science WOS:000288977300013 |
| Is Public | Yes |
| Language Text | English |
| Keyword | Nitzschia closterium; Northern Australia; Toxicity; Aluminium; Gallium; Vanadium |