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DOI: 10.1016/j.marpolbul.2015.01.020
Scopus记录号: 2-s2.0-84926407445
论文题名:
Toxicity identification evaluation of sediments in Liaohe River
作者: Ke X.; Gao L.; Huang H.; Kumar S.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2015
卷: 93, 期:2018-01-02
起始页码: 259
结束页码: 265
语种: 英语
英文关键词: Chemical analysis ; Chironomus larvae ; Liaohe River ; Toxicity identification evaluation
Scopus关键词: Ammonia ; Cadmium ; Charcoal ; Chemical analysis ; Ion exchange resins ; Rivers ; Sediments ; Surface waters ; Water quality ; Cation exchange resins ; Chironomus ; Chironomus riparius ; Chronic toxicity ; Northeast regions ; Sediment toxicity tests ; Toxicity identification evaluation ; Water quality assessments ; Toxicity ; ammonia ; arsenic ; cadmium ; cation exchange resin ; charcoal ; metal ; zeolite ; ammonia ; metal ; water pollutant ; ammonia ; cadmium ; chemical analysis ; fluvial deposit ; identification method ; larva ; sediment pollution ; toxicity ; Article ; chemical analysis ; China ; Chironomus riparius ; chronic toxicity ; controlled study ; ecotoxicity ; fractionation ; nonhuman ; pollutant ; river ; sediment ; toxicity identification evaluation ; toxicity testing ; water quality ; watershed ; analysis ; animal ; chemistry ; Chironomidae ; drug effects ; environmental monitoring ; procedures ; river ; sediment ; toxicity ; water pollutant ; China ; Liaohe River ; Chironomidae ; Chironomus riparius ; Ammonia ; Animals ; Charcoal ; Chironomidae ; Environmental Monitoring ; Geologic Sediments ; Metals ; Rivers ; Toxicity Tests ; Water Pollutants, Chemical
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science ; Earth and Planetary Sciences: Oceanography ; Environmental Science: Pollution
英文摘要: Liaohe River has received significant attention in the northeast region and even in the entire country. As part of a recently completed water quality assessment, a series of water column and sediment toxicity tests was performed throughout the watershed. In the current study, we subjected sediments from the Liaohe River to toxicity identification evaluation manipulations and tests for chronic toxicity with midge (Chironomus riparius), with survival as the end point. In Phase I, the sediments were treated with zeolite, cation-exchange resin, and powdered coconut charcoal. Results confirmed that ammonia compounds were the major contaminants in terms of toxicity, although toxic effects from metals were also a concern in at least three sites. In Phase II identification, chemical analysis provided a strong evidence that the metals As and Cd are the probable causes of toxicity in the sediments, without the influence of ammonia. Temporally, ammonia is responsible for the toxicity of the selected sediments. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/86169
Appears in Collections:过去全球变化的重建
全球变化的国际研究计划

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作者单位: College of Energy and Environment, Shenyang Aerospace University, Shenyang, China; College of Agriculture, Shenyang Agricultural University, Shenyang, China

Recommended Citation:
Ke X.,Gao L.,Huang H.,et al. Toxicity identification evaluation of sediments in Liaohe River[J]. Marine Pollution Bulletin,2015-01-01,93(2018-01-02)
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