Heavy metal accumulation affected by <i>Spartina alterniflora</i> invasion in estuarine wetland sediments

Rong-rong XIE; Ru-lin WU; Chen TANG; Yue-ting LAI; Kai-sheng GONG; Jia-bing LI

doi:10.31497/zrzyxb.20200518

Journal of Natural Resources, Volume. 35, Issue 5, 1238(2020)

Heavy metal accumulation affected by Spartina alterniflora invasion in estuarine wetland sediments

Rong-rong XIE1...2, Ru-lin WU1, Chen TANG1, Yue-ting LAI1, Kai-sheng GONG1, and Jia-bing LI12,* |Show fewer author(s)

Author Affiliations

¹College of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, China

²Key Laboratory of Pollution Control and Resource Recycling of Fujian Province, Fujian Normal University, Fuzhou 350007, China

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Figures & Tables(14)

Fig. 1. Sampling sites in the research area

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Fig. 2. Vertical distribution of physicochemical properties for different Spartina alterniflora invasion periods

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Fig. 3. Vertical distribution of sediment heavy metals for different Spartina alterniflora invasion periods

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Fig. 4. Vertical distribution of sediment heavy metals retention for different Spartina alterniflora invasion periods

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Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province
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Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province
重金属样本数/个范围/(mg/kg) 平均值/(mg/kg) 重金属样本数/个范围/(mg/kg) 平均值/(mg/kg)
Co 123 1.36~91.48 7.41 Cu 123 6.50~99.10 21.60
Ni 123 2.30~223.40 13.50 As 123 0.42~35.90 5.78

Table 2. Geo-accumulation index of heavy metals and their grades in sediments

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Table 2. Geo-accumulation index of heavy metals and their grades in sediments

I_geo	分级	污染程度	I_geo	分级	污染程度
I_geo<0	0	无污染	3≤I_geo<4	4	强污染
0≤I_geo<1	1	无污染~轻度污染	4≤I_geo<5	5	强污染~极强污染
1≤I_geo<2	2	中度污染	I_geo≥5	6	极强污染
2≤I_geo<3	3	中度污染~强污染

Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)
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Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)
元素 Co Ni Cu As
$T_{r}^{i}$ 5 5 5 10

Table 4. Potential ecological risk assessment of heavy metals
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Table 4. Potential ecological risk assessment of heavy metals
潜在生态风险度轻微中度强很强极强
生态风险因子 $E_{r}^{i}$ $E_{r}^{i}$ <40 40≤ $E_{r}^{i}$ <80 80≤ $E_{r}^{i}$ <160 160≤ $E_{r}^{i}$ <320 $E_{r}^{i}$ ≥320
生态风险指数RI RI<150 150≤RI<300 300≤RI<600 RI≥600 —

Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods
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Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods
平均高度/m 地上生物量/(g/m²) 植株密度/(株/m²) 田间持水量/%
A 0.45 3.99×10² 130±11 44.11±3.65
B 1.00 13.45×10² 121±10 43.88±8.37
C 1.50 24.42×10² 116±8 44.98±3.75

Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

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Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

相关性评价方法	指标	Co	Ni	Cu	As
Pearson相关	Co	1
	Ni	0.697^**	1
	Cu	0.539^**	0.726^**	1
	As	0.334	0.451^**	0.710^**	1
	总碳	0.394^*	0.308	0.663^**	0.479^**
	总氮	0.311	0.228	0.628^**	0.503^**
	碳氮比	-0.244	-0.207	-0.550^**	-0.434^*
	电导率	0.338	0.500^**	0.438^**	0.166
	pH	-0.461^*	-0.775^**	-0.678^**	-0.401^*
	容重	-0.585^**	-0.619^**	-0.936^**	-0.692^**
	黏粒比例	0.444	0.328	0.155	0.168
	粉粒比例	0.343	0.040	-0.164	0.070
	沙粒比例	-0.428	-0.163	0.045	-0.126
Spearman相关^a	地上生物量	1.000^**	1.000^**	1.000^**	1.000^**

Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

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Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

研究区域	Co	Ni	Cu	As	文献来源
鳝鱼滩	20.56~30.28	35.69~44.17	18.06~41.25	156.53~196.94	本文
福建省海岸带沉积物重金属背景值	1.36~91.48	2.3~223.4	6.5~99.1	0.42~35.9	[16]
江苏如东互花米草盐沼湿地	—	3.74	6.66	6.68	[24]
黄河口新生湿地	9.7~16.1	24.51~40.85	16.85~33.87	—	[25]
华东沿海滩涂	—	—	2.8~370	1.1~27.2	[26]
包头市南海湿地	—	87.67	111.18	75.1	[27]
辽河口盐沼湿地	—	—	24.29	12.23	[28]
云南河流湿地	24.6~56.5	34.5~64.7	57.3~650	754~4948	[29]
澳大利亚悉尼河口红树林湿地	0.2~23	0.66~48	1.0~206	0.52~35	[30]
越南巴拉特河口	—	—	14.9~67.2	6.9~31.0	[31]
阿根廷布拉卡海湾湿地	—	5.18~11.37	8.86~15.51	—	[32]
印度贝兰杜尔湖泊湿地	—	15.1~138.4	105~1147.8	—	[33]
印度马特拉河口湿地	46~196.7	—	51.8~189	—	[34]

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)
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Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)
点位 Co Ni Cu As
A 4.56±0.92 8.29±0.51 5.08±0.44 37.27±1.58
B 4.80±0.18 8.48±0.29 5.48±0.32 38.17±4.65
C 5.76±0.25 9.92±0.36 7.66±0.58 43.58±1.69

Table 9. Geo-accumulation index of sediment heavy metals in the research area
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Table 9. Geo-accumulation index of sediment heavy metals in the research area
采样点 Co Ni Cu As
I_geo 级数 I_geo 级数 I_geo 级数 I_geo 级数
A 0.961 1 0.881 1 -0.627 0 4.234 5
B 0.986 1 0.899 1 0.174 1 4.260 5
C 1.001 2 0.998 1 0.884 1 4.420 5

Table 10. Potential ecological risk index of sediment heavy metals in the research area
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Table 10. Potential ecological risk index of sediment heavy metals in the research area
采样点 $E_{r}^{i}$ RI
Co Ni Cu As
A 14.60 13.81 4.86 282.25 315.52
B 14.85 13.98 5.29 287.44 321.56
C 15.01 14.97 8.65 321.10 359.73

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Rong-rong XIE, Ru-lin WU, Chen TANG, Yue-ting LAI, Kai-sheng GONG, Jia-bing LI. Heavy metal accumulation affected by Spartina alterniflora invasion in estuarine wetland sediments[J]. Journal of Natural Resources, 2020, 35(5): 1238

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Paper Information

Category:

Received: Apr. 11, 2019

Accepted: --

Published Online: Oct. 17, 2020

The Author Email: LI Jia-bing (lijiabing@fjnu.edu.cn)

DOI:10.31497/zrzyxb.20200518

Topics

Resource Economy

Research Articles

Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province

Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province

Table 2. Geo-accumulation index of heavy metals and their grades in sediments

Table 2. Geo-accumulation index of heavy metals and their grades in sediments

Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)

Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)

Table 4. Potential ecological risk assessment of heavy metals

Table 4. Potential ecological risk assessment of heavy metals

Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods

Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods

Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)

Table 9. Geo-accumulation index of sediment heavy metals in the research area

Table 9. Geo-accumulation index of sediment heavy metals in the research area

Table 10. Potential ecological risk index of sediment heavy metals in the research area

Table 10. Potential ecological risk index of sediment heavy metals in the research area

Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province

Table 1. Background values of sediment heavy metals in the coastal zone of Fujian province

Table 2. Geo-accumulation index of heavy metals and their grades in sediments

Table 2. Geo-accumulation index of heavy metals and their grades in sediments

Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)

Table 3. Toxicity coefficient of different heavy metals in sediments (mg/kg)

Table 4. Potential ecological risk assessment of heavy metals

Table 4. Potential ecological risk assessment of heavy metals

Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods

Table 5. Vegetation characteristics of the community for different Spartina alterniflora invasion periods

Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

Table 6. Correlation analysis for sediment heavy metals and other physical biochemistry characteristics in the research area

Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

Table 7. Comparison of heavy metal concentration between the research area in this paper and other similar research areas (mg/kg)

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m2)

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m2)

Table 9. Geo-accumulation index of sediment heavy metals in the research area

Table 9. Geo-accumulation index of sediment heavy metals in the research area

Table 10. Potential ecological risk index of sediment heavy metals in the research area

Table 10. Potential ecological risk index of sediment heavy metals in the research area

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Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)

Table 8. Changes of heavy metals retention in wetland sediments (0-30 cm) for different Spartina alterniflora invasion periods (g/m²)