Chronic sublethal sediment toxicity testing using the estuarine amphipod, Melita plumulosa (Zeidler): evaluation using metal-spiked and field-contaminated sediments.

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Show simple item record Gale, SA King, CK Hyne, RV 2009-12-21T02:29:27Z 2006-07
dc.identifier.citation Environmental toxicology and chemistry / SETAC, 2006, 25 (7), pp. 1887 - 1898
dc.identifier.issn 0730-7268
dc.identifier.other C1 en_US
dc.description.abstract The present study describes the development of a 42-d chronic sublethal sediment toxicity test using the estuarine amphipod Melita plumulosa (Zeilder). This test was shown to predict the toxicity of metal-contaminated sediments previously found to adversely affect benthic community structure. Metals initially were tested individually by spiking reference sediment under conditions that ensured low metal concentrations in pore waters. Fertility was the most sensitive sublethal endpoint for copper- and zinc-spiked sediments, whereas cadmium-spiked sediments were not toxic to M. plumulosa, despite their high bioaccumulation of cadmium. The 42-d chronic sediment test was reproducible; however, variation between reference sediments collected from the same field location over time or from different locations did affect the reproduction of M. plumulosa. Sensitivity of M. plumulosa to metal-spiked sediments suggested that the interim sediment-quality guidelines (ISQGs) were too conservative. However, toxicity testing of sediments collected from field sites known to affect community assemblages significantly (p < 0.001) reduced the fertility of M. plumulosa, reflecting benthic community survey results and supporting the ISQGs. Bioaccumulation of cadmium and copper by M. plumulosa was elevated following chronic exposure to both laboratory and field-contaminated sediments; however, zinc bioaccumulation could be measured only in M. plumulosa exposed to field-contaminated sediments.
dc.format Print
dc.language eng
dc.relation.isbasedon 10.1897/05-468r.1
dc.title Chronic sublethal sediment toxicity testing using the estuarine amphipod, Melita plumulosa (Zeidler): evaluation using metal-spiked and field-contaminated sediments.
dc.type Journal Article
dc.description.version Published
dc.parent Environmental toxicology and chemistry / SETAC
dc.journal.volume 7
dc.journal.volume 25
dc.journal.number 7 en_US
dc.publocation Pensacola, USA en_US
dc.identifier.startpage 1887 en_US
dc.identifier.endpage 1898 en_US SCI.Environmental Sciences en_US
dc.conference Verified OK en_US
dc.for 0399 Other Chemical Sciences
dc.personcode 100467
dc.percentage 100 en_US Other Chemical Sciences en_US
dc.classification.type FOR-08 en_US
dc.custom 2.4 en_US
dc.description.keywords Animals
dc.description.keywords Water Pollutants, Chemical
dc.description.keywords Sensitivity and Specificity
dc.description.keywords Fertility
dc.description.keywords Environmental Monitoring
dc.description.keywords Toxicity Tests
dc.description.keywords Metals, Heavy
dc.description.keywords Geologic Sediments
dc.description.keywords Amphipoda
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
utslib.copyright.status Closed Access 2015-04-15 12:17:09.805752+10
pubs.consider-herdc true
utslib.collection.history Closed (ID: 3)

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