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DISTRIBUTION CHARACTERISTICS, BIOACCUMULATION, AND SOURCES OF MERCURY IN RICE AT NANSI LAKE AREA, SHANDONG PROVINCE, CHNIA

文献类型： 外文期刊

作者： Liu, H. 1 ; Wang, L. H. 2 ; Zhang, J. 1 ; Li, G. X. 4 ; Dai, J. L. 1 ;

作者机构： 1.Shandong Univ, Environm Res Inst, Jinan 250100, Peoples R China

2.Shandong Acad Sci, Shandong Anal & Test Ctr, Jinan 250014, Peoples R China

3.Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China

4.Shandong Rice Res Inst, Jinan 250100, Peoples R China

关键词： Food safety; irrigation water; mercury; paddy soil; pollution distribution; rice

期刊名称：JOURNAL OF ANIMAL AND PLANT SCIENCES （ 影响因子：0.49； 五年影响因子：0.686 ）

ISSN： 1018-7081

年卷期： 2015 年 25 卷 3 期

页码：

收录情况： SCI

摘要： the distribution characteristics, bioaccumulation, and sources of Hg. Results showed Hg distribution in rice followed the order: leaf > root > hull > bran > stem > brown rice > polished rice. Rice bran contained higher Hg concentration than in polished rice (P < 0.05). Bioaccumulation factors for Hg in rice ranged from 0.013 to 3.34, and 17.24% of root, 3.44% of the hull, 6.89% of the bran, 55.17% of the leaf exceeded 1. Principal components analysis indicated among these four growing factors (paddy soil, irrigation, atmospheric deposition and fertilizer), Hg concentrations in fertilizer played the most important role. Hg in atmospheric deposition could serve as the main controlling factor of rice leaf, Hg in paddy soils was the main factor of rice bran, root and stem, whereas, Hg in fertilizer was the main controlling factors of polished rice. Moreover, rice genotype had a certain effect on Hg accumulation of rice. The quality of polished rice in Nansi Lake area was safe, however, bran-made production consumption should be paid attention.

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