三种提取态硅在典型滨海湿地中的分布特征及影响因素分析

doi:10.3976/j.issn.1002-4026.20240048

山东科学 ›› 2024, Vol. 37 ›› Issue (5): 95-102.doi: 10.3976/j.issn.1002-4026.20240048

三种提取态硅在典型滨海湿地中的分布特征及影响因素分析

季晓晖¹(), 赵庆庆²^,^*(), 展海银³, 王加宁², 张闻², 黄玉杰², 宋繁永², 魏小兵⁴^,^*()

1.贵阳中节能水务有限公司,贵州贵阳 550001
2.齐鲁工业大学(山东省科学院) 山东省科学院生态研究所山东省应用微生物重点实验室,山东济南 250103
3.南开大学环境科学与工程学院南开大学碳中和交叉科学中心,天津 300350
4.重庆蓝洁环境技术有限公司,重庆 402465

收稿日期:2024-04-03 出版日期:2024-10-20 发布日期:2024-09-29
通信作者: 赵庆庆,魏小兵 E-mail:312386311@qq.com;qingqingzhao@qlu.edu.cn;wei2809@126.com
作者简介:季晓晖(1980—),男,工程师,一级建造师,研究方向为污水、再生水运营与技术管理及湿地生态工程。E-mail: 312386311@qq.com
基金资助:
山东省重点研发计划(重大科技创新工程)(2021CXGC011201);国家重点研发计划(2023YFC3709004-03);山东省自然科学基金(ZR2022MD116);济南市“高校20条”资助项目(2020GXRC059)

Distribution patterns and influencing factors of three types of soil extractable silicon in typical coastal wetlands

JI Xiaohui¹(), ZHAO Qingqing²^,^*(), ZHAN Haiyin³, WANG Jianing², ZHANG Wen², HUANG Yujie², SONG Fanyong², WEI Xiaobing⁴^,^*()

1. Guiyang CECEP Water Co., Ltd., Guiyang 550001, China
2. Shandong Provincial Key Laboratory of Applied Microbiology,Ecology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250103, China
3. Carbon NeutralityInterdisciplinary Science Centre,College of Environmental Science and Engineering, Nankai University, Tianjin 300350, China
4. Chongqing Lanjie Environmental Technology Co., Ltd., Chongqing 402465, China

Received:2024-04-03 Online:2024-10-20 Published:2024-09-29
Contact: ZHAO Qingqing, WEI Xiaobing E-mail:312386311@qq.com;qingqingzhao@qlu.edu.cn;wei2809@126.com

摘要/Abstract

摘要：

硅是地壳中含量第二的元素,在土壤生物地球化学过程中发挥着重要作用,其中可提取态硅对植物具有较高的营养意义,但可提取态硅在滨海湿地土壤中的分布还有待揭示。以典型滨海湿地(非淹水芦苇湿地、潮汐芦苇湿地、淡水芦苇湿地和盐地碱蓬湿地)为研究样地,采集0~20 cm深度土壤并测定草酸提取态硅、连二硫酸钠-柠檬酸钠提取态硅和焦磷酸盐提取态硅及土壤理化性质,探究3种可提取态硅在不同芦苇湿地土壤中的分布特征及其影响因素。结果表明,4种湿地0~20 cm深度土壤中连二硫酸钠-柠檬酸钠提取态硅和焦磷酸钠提取态硅之间无显著性差异(p>0.05),但草酸提取态硅在非淹水芦苇湿地和潮汐芦苇湿地之间具有显著性差异(p<0.05)。从剖面分布来说,10~20 cm土层3种提取态硅的质量分数低于0~<10 cm土层。相关分析表明,土壤有机质、总氮、容重、pH、粉砂粒、砂粒和含水率是影响3种提取态硅质量分数的重要因素。研究结果为丰富滨海湿地硅元素的分布信息提供有力支撑。

关键词: 草酸提取态硅, 连二硫酸钠-柠檬酸钠提取态硅, 焦磷酸钠提取态硅, 地球化学特征, 滨海湿地

Abstract:

As the second most abundant element on earth, silicon plays an important role in soil biogeochemical processes. However, the geochemical characteristics of soil silicon in different forms in coastal wetlands still need further investigation. In this study, we selected four typical coastal wetlands (nonflooding Phragmites australis, tidal P. australis, freshwater P. australis, and tidal Suaeda salsa wetlands) as sampling sites and collected soils from 0 to 20 cm depth. Furthermore, we determined oxalate-extractable silicon, dithionite-citrate-extractable silicon, pyrophosphate-extractable silicon and analyzed their soil physical and chemical properties, distribution patterns, and influencing factors in typical coastal wetlands. Results showed that dithionite-citrate-extractable silicon and pyrophosphate-extractable silicon showed no significant differences among four wetlands (p>0.05), while oxalate-extractable silicon in nonflooding P. australis wetlands was significantly lower than tidal P. australis wetlands (p<0.05). As for the profile distribution, the three types of extractable silicon in soils from 0 to 10 cm were generally higher than in soils from 10 cm to 20 cm. Additionally, the correlation analysis revealed that soil organic matter, total nitrogen, bulk density, pH, silt and moisture were important factors influencing these three types of extractable silicon.

Key words: oxalate-extractable silicon, dithionite-citrate-extractable silicon, pyrophosphate-extractable silicon, geochemical properties, coastal wetlands

中图分类号:

季晓晖, 赵庆庆, 展海银, 王加宁, 张闻, 黄玉杰, 宋繁永, 魏小兵. 三种提取态硅在典型滨海湿地中的分布特征及影响因素分析[J]. 山东科学, 2024, 37(5): 95-102.

JI Xiaohui, ZHAO Qingqing, ZHAN Haiyin, WANG Jianing, ZHANG Wen, HUANG Yujie, SONG Fanyong, WEI Xiaobing. Distribution patterns and influencing factors of three types of soil extractable silicon in typical coastal wetlands[J]. Shandong Science, 2024, 37(5): 95-102.

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参考文献 20

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理化参数	非淹水芦苇湿地	潮汐芦苇湿地	淡水芦苇湿地	盐地碱蓬湿地
草酸提取硅质量分数/(g·kg^-1)	0.16±0.04b	0.28±0.05a	0.23±0.15ab	0.24±0.10ab
连二硫酸钠-柠檬酸钠提取硅质量分数/(g·kg^-1)	0.55±0.21a	0.76±0.24a	0.58±0.26a	0.73±0.28a
焦磷酸钠提取硅质量分数/(g·kg^-1)	0.27±0.08a	0.33±0.10a	0.31±0.13a	0.34±0.10a
有机质质量分数/%	4.03±0.83b	7.70±1.26a	6.27±4.01ab	5.98±1.69a
总氮质量分数/(g·kg^-1)	0.27±0.03b	0.46±0.04a	0.42±0.26ab	0.36±0.09ab
容重/(g·cm^-3)	1.56±0.02a	1.38±0.09c	1.52±0.03b	1.57±0.08ab
电导率/(mS·cm^-1)	3.18±0.91b	2.76±0.60b	0.52±0.09c	15.51±6.64a
pH	9.09±0.46a	8.39±0.18c	8.65±0.12b	8.56±0.11bc
粉砂粒质量分数/%	5.59±5.22b	22.67±2.94a	15.00±9.17ab	23.75±13.78a
砂粒质量分数/%	94.41±5.22a	77.18±3.14b	84.87±9.30ab	74.28±17.23b
含水质量分数/%	22.06±0.67c	22.96±0.56b	28.31±4.88a	22.84±2.51bc

分析项目	草酸提取态硅质量分数	连二硫酸钠-柠檬酸钠提取态硅质量分数	焦磷酸钠提取态硅质量分数
有机质质量分数	0.860^**	0.602^**	0.722^**
总氮质量分数	0.898^**	0.517^**	0.643^**
容重	-0.337^*	-0.337^*	-0.236
电导率	0.017	0.196	0.159
pH	-0.484^**	-0.562^**	-0.501^**
粉砂粒质量分数	0.652^**	0.614^**	0.535^**
砂粒质量分数	-0.646^**	-0.605^**	-0.527^**
含水率	0.495^**	0.203	0.401^*

三种提取态硅在典型滨海湿地中的分布特征及影响因素分析

Distribution patterns and influencing factors of three types of soil extractable silicon in typical coastal wetlands

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