Fate and sublethal effects of metals during amphibian metamorphosis: a systematic review

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dc.contributor.authorHill, Den_AU
dc.contributor.authorCresswell, Ten_AU
dc.contributor.authorBennett, WWen_AU
dc.contributor.authorLanctôt, CMen_AU
dc.date.accessioned2021-12-09T22:53:12Zen_AU
dc.date.available2021-12-09T22:53:12Zen_AU
dc.date.issued2021-11-11en_AU
dc.date.statistics2021-11-22en_AU
dc.descriptionThis publication has been entered in APO as an advanced online version.en_AU
dc.description.abstractAmphibians provide essential ecosystem services and are facing global decline. Exposure to contaminants is a contributing factor to this decline, with permeable skin and early aquatic life likely increasing amphibian susceptibility. Their vulnerability may also be increased through metamorphosis, which involves degeneration of tissues and high energy expenditure. Exposure to metal contaminants may also result in delays to metamorphosis or reduced growth. Understanding how metal burdens change during metamorphosis and the effects metals have on postmetamorphic amphibians is essential to ensure water quality guidelines offer sufficient protection. A systematic review of the literature was conducted to identify the changes in whole-body metal burden and biodistribution pre and postmetamorphosis and the effects of metal exposures on the timing of metamorphosis and size of animals postmetamorphosis. Premetamorphic amphibians were found to have higher metal concentrations than postmetamorphic, suggesting these metals can be largely excreted prior to or during metamorphosis. Only two articles were identified that compared changes in metal biodistribution during metamorphosis, with both reporting decreasing concentrations in the gut from pre to postmetamorphosis. No laboratory studies identified significant effects relating to metamorphosis at concentrations below USEPA chronic water quality criteria. However, delays to timing or growth were observed in field studies where all analyzed metals were below criteria. Many articles did not meet the suggested minimum reporting standards, particularly for the reporting of metal exposure concentrations and physico-chemical conditions of exposure solutions. © 2021 Informa UK Limiteden_AU
dc.description.sponsorshipThis research was supported by an AINSE Limited Residential Student Scholarship 2020 and Australian Government Research Training Program (RTP) Scholarship awarded to D. Hill. C. Lanctôt is supported by an Australian Research Council Discovery Early Career Award (DE180101286) funded by the Australian Government.en_AU
dc.identifier.citationHill, D., Cresswell, T., Bennett, W., & Lanctôt, C. (2021). Fate and sublethal effects of metals during amphibian metamorphosis: a systematic review. Critical Reviews in Environmental Science and Technology, 1-18. doi:10.1080/10643389.2021.2002117en_AU
dc.identifier.issn1547-6537en_AU
dc.identifier.issue23en_AU
dc.identifier.journaltitleCritical Reviews in Environmental Science and Technologyen_AU
dc.identifier.pagination4266-4283en_AU
dc.identifier.urihttps://doi.org/10.1080/10643389.2021.2002117en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12410en_AU
dc.identifier.volume52en_AU
dc.language.isoenen_AU
dc.publisherTaylor & Francisen_AU
dc.subjectMetalsen_AU
dc.subjectPollutionen_AU
dc.subjectAmphibiansen_AU
dc.subjectMetamorphosisen_AU
dc.subjectAquatic ecosystemsen_AU
dc.subjectAnimal growthen_AU
dc.titleFate and sublethal effects of metals during amphibian metamorphosis: a systematic reviewen_AU
dc.typeJournal Articleen_AU
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