当前位置： SCI文献检索 > ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY期刊下所有文献 > Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms.

Fate and effects of sediment-associated polycyclic musk HHCB in subtropical freshwater microcosms.

Abstract：

:Galaxolide (HHCB) is used as a fragrance ingredient in household and personal care products, and has been ubiquitously detected in the environment. Here we investigated the fate of HHCB in subtropical freshwater microcosms, and evaluated effects of sediment-associated HHCB on a biological community consisting of algae, Daphnia, benthic macroinvertebrates and bacteria. The concentrations of sediment-associated HHCB did not change significantly during a 28 days exposure period, but HHCB accumulated in worms with biota-sediment accumulation-factor (BSAF) values in the range of 0.29-0.66 for Branchiura sowerbyi and 0.94-2.11 for Limnodrilus hoffmeisteri. There was no significant effects of HHCB (30 μg/g dry weight (dw) sediment) on chlorophyll-a content, sediment bacterial community composition, and survival and growth of benthic macroinvertebrates. However, the presence of benthic macroinvertebrates altered the sediment bacterial community structure relative to microcosms without introduced organisms. The findings of this study suggest that a single high-dose of HHCB, over 28 days, at environmentally relevant concentrations would not impose direct toxicological risks to aquatic organisms such as benthic macroinvertebrates.

journal_name

Ecotoxicol Environ Saf

journal_title

Ecotoxicology and environmental safety

authors

Peng FJ,Kiggen F,Pan CG,Bracewell SA,Ying GG,Salvito D,Selck H,Van den Brink PJ

doi

10.1016/j.ecoenv.2018.11.092

subject

Has Abstract

pub_date

2019-03-01 00:00:00

pages

902-910

eissn

0147-6513

issn

1090-2414

pii

S0147-6513(18)31236-3

journal_volume

169

pub_type

杂志文章

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