Cadmium, chromium, and lead accumulation in aquatic plants and animals near a municipal landfill

淡水鱼 淡水蜗牛 大虾 环境化学 生物累积 淡水双壳类 贝类 生物 水生植物 水生动物 渔业 生态学 软体动物 化学 腹足纲 水生植物 双壳类 有机化学
作者
Manop Sriuttha,Bundit Tengjaroenkul,Somsak Intamat,Uraiwan Phoonaploy,Pornpilai Thanomsangad,Lamyai Neeratanaphan
出处
期刊:Human and Ecological Risk Assessment [Taylor & Francis]
卷期号:23 (2): 350-363 被引量:13
标识
DOI:10.1080/10807039.2016.1248893
摘要

This research was conducted to assess the contamination of heavy metals in the water, sediment, aquatic plants and animals around a municipal landfill. The heavy metals were analyzed by inductively coupled plasma optical emission spectrometry (ICP-OES). The concentrations of cadmium (Cd), chromium (Cr), and lead (Pb) in water and sediment were Not detected (ND), 0.05 ± 0.98, and 0.02 ± 0.01 mg/L; and 0.47 ± 0.23, 18.65 ± 11.39, and 5.36 ± 2.08 mg/kg, respectively. A total of 24 aquatic plants from 4 species were collected from the municipal landfill. Cd concentrations in all plant species were within the standard, while Cr and Pb exceeded the standard. Forty-four fish from 4 species, 29 freshwater snails from 3 species, 10 freshwater prawns from 1 species, and 9 freshwater crabs from 1 species were collected. Cd and Cr concentrations in 2 species of fish samples exceeded the standard and Pb concentration in all fish species exceeded the standard. Cd and Pb concentrations in all freshwater snails were within the standard, except Cr. Meanwhile, Cd and Pb in freshwater prawns and snails were within the standard, except Cr. Five species of frogs were collected. Cd and Cr concentrations in 2 species exceeded the standard. Pb concentrations in all frog species exceeded the standard. The pattern of metal accumulation was fish > frogs > freshwater snails > freshwater prawns = freshwater crab (Cd), freshwater prawn > frogs > freshwater crab = freshwater snail > fish (Cr), and freshwater prawn > fish > frogs > freshwater snail > freshwater crab (Pb).
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