Article(id=1200503478922637473, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1200503474099179701, articleNumber=null, orderNo=null, doi=10.12284/hyxb2024114, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1708963200000, receivedDateStr=2024-02-27, revisedDate=1717603200000, revisedDateStr=2024-06-06, acceptedDate=null, acceptedDateStr=null, onlineDate=1764151933651, onlineDateStr=2025-11-26, pubDate=1730390400000, pubDateStr=2024-11-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1764151933651, onlineIssueDateStr=2025-11-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1764151933651, creator=13701087609, updateTime=1764151933651, updator=13701087609, issue=Issue{id=1200503474099179701, tenantId=1146029695717560320, journalId=1149651085930835976, year='2024', volume='46', issue='11', pageStart='1', pageEnd='134', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=0, articleOrder=1, issueType=-1, specialIssue=null, createTime=1764151932500, creator=13701087609, updateTime=1764152158172, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1200504420711657480, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1200503474099179701, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1200504420711657481, tenantId=1146029695717560320, journalId=1149651085930835976, issueId=1200503474099179701, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=13, endPage=33, ext={EN=ArticleExt(id=1200503480298369196, articleId=1200503478922637473, tenantId=1146029695717560320, journalId=1149651085930835976, language=EN, title=The preservation of organic carbon by active iron oxides in surface sediments from Guangxi mangroves, columnId=1194652705852465724, journalTitle=Haiyang Xuebao, columnName=Article, runingTitle=null, highlight=null, articleAbstract=
Iron oxides play a significant role in the global soil (sediment) organic carbon (OC) storage. Mangrove wetlands, receiving both terrestrial and marine inputs, provide a unique habitat for the preservation of organic carbon by reactive iron oxides (FeR). However, the impact of FeR in the surface sediments of mangroves on the preservation process of OC, as well as the selectivity of FeR towards different OC components, is still unclear. The surface sediments in the present work was collected in the natural mangrove areas around the estuaries of the Dafeng River and Maowei Sea in Guangxi, which are highly influenced by tides and rivers. The research was focused on the changes in the content and composition of iron-bound organic carbon (Fe-OC) in sediments. The results indicated that the average content of Fe-OC in surface sediments in the estuaries of Dafeng River and Maowei Sea was 0.16% ± 0.07% and 0.17% ± 0.07%, respectively. These values represented 16.2 ± 5.04% and 10.9 ± 5.63% of the total organic carbon (TOC) content in the respective sediments, which were primarily preserved through adsorption. Furthermore, the preservation of OC by FeR was influenced by the sediment particle size, the content and form of FeR, and the source and composition of TOC. TOC, FeR and Fe-OC were mainly distributed in the smaller grain size sediment fractions. The predominant form of iron in surface sediments was Fe3+, accounting for 87.42% of the total iron, and was relatively higher in high salinity sediments. FeR selectively preserved OC with higher δ13C (stable carbon isotope natural abundance) and aromatic OC. Compared with the Maowei Sea, the proportion of protein-like fluorescent components in Fe-OC of surface sediments from the Dafeng River estuary was higher and the proportion of protein-like fluorescent components increased as the molar ratio of Fe-OC∶Fe increased. This study helps to clarify the selective preservation mechanism of OC by FeR in mangrove surface sediments in Guangxi, and deepen our understanding of the preservation process of OC in land-sea interface sediments.
, correspAuthors=Fenfen Zhang, authorNote=null, correspAuthorsNote=null, copyrightStatement=Haiyang Xuebao, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Zhiyuan Xiang, Fenfen Zhang, Jine Wei, Jinzhou Du), CN=ArticleExt(id=1200503485457363294, articleId=1200503478922637473, tenantId=1146029695717560320, journalId=1149651085930835976, language=CN, title=广西红树林表层沉积物中活性铁氧化物对有机碳的保存, columnId=1149698756456657529, journalTitle=海洋学报, columnName=论文, runingTitle=null, highlight=null, articleAbstract=
铁氧化物在全球土壤(沉积物)有机碳(Organic Carbon,OC)存储中具有重要作用。红树林湿地同时具有陆源与海源输入,为活性铁氧化物(FeR)对OC的保存提供了独特的生境。然而红树林表层沉积物中FeR对OC保存过程中的影响因素以及FeR对OC组分的选择性尚不明确。本研究选择广西大风江入海口和茅尾海周围受到潮汐与河流影响的天然红树林生境中的表层沉积物,研究沉积物中铁结合有机碳(Fe-OC)含量以及组分的变化。结果表明,大风江入海口与茅尾海表层沉积物中Fe-OC平均含量分别为0.16% ± 0.07%与0.17% ± 0.07%,在总有机碳(TOC)中所占比例(fFe-OC)分别为16.2% ± 5.04%与10.9% ± 5.63%,主要保存方式为吸附。FeR对OC的保存受到沉积物粒度、FeR含量与形态以及TOC来源与组分的影响。TOC、FeR与Fe-OC主要分布在粒度较小的沉积物组分中。表层沉积物中铁的存在形式以Fe3+为主,占总铁的87.42%,在高盐度沉积物中相对更高。FeR会选择性保存结合δ13C值(稳定性碳同位素自然丰度)偏正的OC与芳香族OC。与茅尾海相比较,大风江入海口表层沉积物Fe-OC中类蛋白荧光组分占总荧光组分的比例更高。类蛋白荧光组分占比随Fe-OC∶Fe摩尔比升高而升高。本研究有助于明确广西红树林表层沉积物中FeR对OC的选择性保存机制,加深对陆海界面沉积物中OC的保存过程的了解。
, correspAuthors=张芬芬, authorNote=null, correspAuthorsNote=
, copyrightStatement=版权所有©《海洋学报》编辑部 2024
相志远,张芬芬,魏金娥,等. 广西红树林表层沉积物中活性铁氧化物对有机碳的保存[J]. 海洋学报,2024,46(11):13–33Xiang Zhiyuan,Zhang Fenfen,Wei Jine, et al. The preservation of organic carbon by active iron oxides in surface sediments from Guangxi mangroves[J]. Haiyang Xuebao,2024, 46(11):13–33
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相志远(1999—),男,安徽省滁州市人,研究方向为铁−碳耦合生物地球化学循环。E-mail:xzy19990722@sina.com
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相志远(1999—),男,安徽省滁州市人,研究方向为铁−碳耦合生物地球化学循环。E-mail:xzy19990722@sina.com
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Sampling site, figureFileSmall=aFlr2Qf33w2YHFPbGjkebQ==, figureFileBig=xylVVTo6/K/P1krc4iaIRg==, tableContent=null), ArticleFig(id=1200862285427233122, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图1, caption=
采样站位, figureFileSmall=aFlr2Qf33w2YHFPbGjkebQ==, figureFileBig=xylVVTo6/K/P1krc4iaIRg==, tableContent=null), ArticleFig(id=1200862285548867941, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 2, caption=
The contents of total OC (a), FeR (b), the proportion of clay + silt (c), Fe-OC (d) and fFe-OC (e) in surface sediments in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves, figureFileSmall=8C+/tuWvz7KVsPwP5LWveQ==, figureFileBig=6kFtY/xH0KatUwuxPL9fyQ==, tableContent=null), ArticleFig(id=1200862286710690151, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图2, caption=
广西大风江(DF)与茅尾海(MW)红树林表层沉积物中TOC含量(a)、FeR含量(b)、黏土与粉砂比例(c)、Fe-OC含量(d)与fFe-OC(e), figureFileSmall=8C+/tuWvz7KVsPwP5LWveQ==, figureFileBig=6kFtY/xH0KatUwuxPL9fyQ==, tableContent=null), ArticleFig(id=1200862286802964842, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 3, caption=
Distribution of δ13C in surface sediments of original samples and after DCB treatment samples in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves, figureFileSmall=yCn4R7aEFceOPo/mMS+zNQ==, figureFileBig=WBaO7s8c/P5kUFeN0rII3w==, tableContent=null), ArticleFig(id=1200862286895239532, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图3, caption=
广西大风江(DF)与茅尾海(MW)红树林表层沉积物中原始样品与DCB处理后样品的δ13C值分布, figureFileSmall=yCn4R7aEFceOPo/mMS+zNQ==, figureFileBig=WBaO7s8c/P5kUFeN0rII3w==, tableContent=null), ArticleFig(id=1200862287021068655, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 4, caption=
Mössbauer spectra of typical surface sediments in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves, figureFileSmall=UsWJZoNCB6GY2MwrFac4cQ==, figureFileBig=laiMcDmm7pm6rdJeswz7/Q==, tableContent=null), ArticleFig(id=1200862287167869296, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图4, caption=
广西大风江入海口(DF)与茅尾海(MW)红树林典型表层沉积物的穆斯堡尔谱图, figureFileSmall=UsWJZoNCB6GY2MwrFac4cQ==, figureFileBig=laiMcDmm7pm6rdJeswz7/Q==, tableContent=null), ArticleFig(id=1200862287272726897, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 5, caption=
Variations in attenuated total reflectance-Fouriertransform infrared (ATR-FTIR) spectra in the 1800−1400 cm−1 range for surface sediments in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves before and after DCB treatment, figureFileSmall=TfxUusto8FZEKhKN0mIb7g==, figureFileBig=4Saq4U28jr63sp4Pfj/HAg==, tableContent=null), ArticleFig(id=1200862287373390197, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图5, caption=
广西大风江入海口(DF)与茅尾海(MW)红树林表层沉积物在DCB处理前后1800~1400 cm−1范围内衰减全反射−傅里叶变换红外光谱差异(ATR-FTIR), figureFileSmall=TfxUusto8FZEKhKN0mIb7g==, figureFileBig=4Saq4U28jr63sp4Pfj/HAg==, tableContent=null), ArticleFig(id=1200862287486636406, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 6, caption=
Variations in attenuated total reflectance-Fouriertransform infrared (ATR-FTIR) spectra in the 3000−2800 cm−1 range for surface sediments in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves before and after DCB treatment, figureFileSmall=ps3iWYpxnTRD8vL5sUQmxQ==, figureFileBig=9MXiuuuLNRmjf0XTbPT8nA==, tableContent=null), ArticleFig(id=1200862287591494008, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图6, caption=
广西大风江入海口(DF)与茅尾海(MW)红树林表层沉积物在DCB处理前后3000~2800 cm−1范围内衰减全反射−傅里叶变换红外光谱差异(ATR-FTIR), figureFileSmall=ps3iWYpxnTRD8vL5sUQmxQ==, figureFileBig=9MXiuuuLNRmjf0XTbPT8nA==, tableContent=null), ArticleFig(id=1200862287721517435, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 7, caption=
Relative proportions of nitrogenous compounds (a), aliphatics (b), aromatics (c) in the total structural groups, and the average percentage difference (d) in surface sediment original samples and after DCB treatment in the estuary of Dafeng River (DF) and Maowei Sea (MW) from Guangxi mangroves, figureFileSmall=FhAGupPodKFPrlmhdf/Lzg==, figureFileBig=9ynQYQRgkFLhyhBviD08mQ==, tableContent=null), ArticleFig(id=1200862287834763646, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图7, caption=
广西大风江入海口(DF)与茅尾海(MW)红树林表层沉积物原始样品与DCB处理后含氮化合物(a)、脂肪族(b)、芳香族(c)在总结构基团中相对比例与平均值百分比差异(d), figureFileSmall=FhAGupPodKFPrlmhdf/Lzg==, figureFileBig=9ynQYQRgkFLhyhBviD08mQ==, tableContent=null), ArticleFig(id=1200862287922844033, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 11, caption=
The correlation between C/N molar ratio and δ13C values(a) , and the distribution of C/N molar ratio and δ13Cvalues(b) in surface sediments in the estuary of Dafeng River and Maowei Sea from Guangxi mangroves [48], figureFileSmall=QpH+YWpF9yt7ABKkAGMFnw==, figureFileBig=fTOgFWgMkT+rO70tCHUEcw==, tableContent=null), ArticleFig(id=1200862288023507331, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图11, caption=
广西大风江与茅尾海红树林表层沉积物 C/N摩尔比与δ13C值相关关系(a)与C/N摩尔比与δ13C值分布(b)(改自文献[48]), figureFileSmall=QpH+YWpF9yt7ABKkAGMFnw==, figureFileBig=fTOgFWgMkT+rO70tCHUEcw==, tableContent=null), ArticleFig(id=1200862288153530758, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 8, caption=
Triangular distribution of surface sediments from Guangxi mangroves, figureFileSmall=8Yhpjnm+NVciLhOaoRh5Kg==, figureFileBig=sGhyqW5oPUpHVSl7g77Pcw==, tableContent=null), ArticleFig(id=1200862288245805450, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图8, caption=
广西红树林表层沉积物的三角图分布, figureFileSmall=8Yhpjnm+NVciLhOaoRh5Kg==, figureFileBig=sGhyqW5oPUpHVSl7g77Pcw==, tableContent=null), ArticleFig(id=1200862288338080140, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 9, caption=
Correlation analysis of various parameters in surface sediments from Guangxi mangroves, figureFileSmall=vOZdQnsiQqQq2Cxk4FrbKw==, figureFileBig=i2eT3AKZpzjDH2tqeEiDxA==, tableContent=null), ArticleFig(id=1200862288438743439, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图9, caption=
广西红树林表层沉积物各参数相关性, figureFileSmall=vOZdQnsiQqQq2Cxk4FrbKw==, figureFileBig=i2eT3AKZpzjDH2tqeEiDxA==, tableContent=null), ArticleFig(id=1200862288543601043, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 10, caption=
The correlation between the proportions of clay and silt and the contents of TOC (a), FeR (b) and Fe-OC (c) insurface sediments in the estuary of Dafeng River and Maowei Sea from Guangxi mangroves, figureFileSmall=iWUhsdG+X/WQmBAo0YbcBg==, figureFileBig=6e7Mbq1yABPRpSyOhSIlUw==, tableContent=null), ArticleFig(id=1200862288631681427, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图10, caption=
广西大风江入海口与茅尾海红树林表层沉积物中黏土、粉砂占比与TOC(a)、FeR(b)、Fe-OC(c)含量的相关关系, figureFileSmall=iWUhsdG+X/WQmBAo0YbcBg==, figureFileBig=6e7Mbq1yABPRpSyOhSIlUw==, tableContent=null), ArticleFig(id=1200862288732344727, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. 12, caption=
The correlation between the fluorescent components of Fe-OC and the Fe-OC∶Fe molar ratio in surface sediments from Guangxi mangroves, figureFileSmall=0hop42iNNnFQ1Z+IjGbfCg==, figureFileBig=dHK8u4d9A1CswBaoUn3gjA==, tableContent=null), ArticleFig(id=1200862288841396632, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图12, caption=
广西红树林表层沉积物中Fe-OC的荧光组分与Fe-OC∶Fe摩尔比的相关关系, figureFileSmall=0hop42iNNnFQ1Z+IjGbfCg==, figureFileBig=dHK8u4d9A1CswBaoUn3gjA==, tableContent=null), ArticleFig(id=1200862288942059932, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. A1, caption=
Mössbauer spectra of surface sediments in the Maowei Sea and the Dafeng River estuary, figureFileSmall=hT+lUZ2R+DxuTwqnP8G/tw==, figureFileBig=g9a0D9CvHxSr0ysPU9MY4Q==, tableContent=null), ArticleFig(id=1200862289097249181, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图A1, caption=
茅尾海与大风江入海口表层沉积物穆斯堡尔谱, figureFileSmall=hT+lUZ2R+DxuTwqnP8G/tw==, figureFileBig=g9a0D9CvHxSr0ysPU9MY4Q==, tableContent=null), ArticleFig(id=1200862289218883998, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. A2, caption=
Variations in attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectra in the 3500~500 cm−1 range for surface sediments from Guangxi mangroves, before and after DCB treatment., figureFileSmall=GgEwleO7HDmKrlc2dB4bBg==, figureFileBig=ZmT+T/EnL5pDXoyVYKz0Yg==, tableContent=null), ArticleFig(id=1200862289315352995, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图A2, caption=
广西红树林表层沉积物在DCB处理前后3500~500 cm−1范围内衰减全反射−傅里叶变换红外光谱差异(ATR-FTIR), figureFileSmall=GgEwleO7HDmKrlc2dB4bBg==, figureFileBig=ZmT+T/EnL5pDXoyVYKz0Yg==, tableContent=null), ArticleFig(id=1200862289390850465, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Fig. A3, caption=
Differences in the fluorescence composition of Fe-OC in the surface sediments in the estuary of Dafeng River (a) and Maowei Sea (b), figureFileSmall=xmrlnSlhuj9shWj9WL+VgA==, figureFileBig=gDASRfuCFG7soxklDFLK0w==, tableContent=null), ArticleFig(id=1200862289512485284, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=图A3, caption=
大风江入海口(a)与茅尾海(b)表层沉积物中Fe-OC的荧光组分差异, figureFileSmall=xmrlnSlhuj9shWj9WL+VgA==, figureFileBig=gDASRfuCFG7soxklDFLK0w==, tableContent=null), ArticleFig(id=1200862289571205542, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table 1, caption=
Identification of fluorescent components of Fe-OC in surface sediments in the estuary of Dafeng River and Maowei Sea from Guangxi mangroves
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组分 | Ex. Max./nm | Em. Max./nm | 荧光组分 |
| C1 | 240 | 426 | 类似于陆源微生物类腐殖质[30] |
| C2 | 295 | 498 | 类似于陆源腐殖质[31−32] |
| C3 | 220和280 | 302 | 类似于海源酪氨酸样和蛋白质样[33] |
| C4 | 270 | 486 | 类似于陆源类腐殖质[34] |
), ArticleFig(id=1200862289684451753, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表1, caption=
广西大风江入海口与茅尾海红树林表层沉积物中Fe-OC荧光组分的鉴定
, figureFileSmall=null, figureFileBig=null, tableContent=
| 组分 | Ex. Max./nm | Em. Max./nm | 荧光组分 |
| C1 | 240 | 426 | 类似于陆源微生物类腐殖质[30] |
| C2 | 295 | 498 | 类似于陆源腐殖质[31−32] |
| C3 | 220和280 | 302 | 类似于海源酪氨酸样和蛋白质样[33] |
| C4 | 270 | 486 | 类似于陆源类腐殖质[34] |
), ArticleFig(id=1200862289772532141, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table 2, caption=
The combination of iron oxides with organic carbon in global typical wetland types [44]
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 站位类型 | pH值 | 占比/% | Fe3+/(μmol·g−1) | SOC/(mg·g−1) | Fe-bound C/(mg·g−1) | fOC-Fe/% | Fe-OC∶Fe摩尔比 | 参考文献 |
| 全球海洋 | 河口/海洋沉积物 | – | – | – | – | – | 21.5 ± 8.6 | 4.0 ± 2.8 | Lalonde等[7] |
| 沃斯托克湖,美国 | 河流沉积物(新生) | – | – | 47.0 ± 23.1 | 6.2 ± 1.1 | 0.7 ± 0.6 | 8.1 ± 3.2 | 0.5 ± 0.2 | Shields等[11] |
| 沃斯托克湖,美国 | 河流沉积物(成熟) | – | – | 83.5 ± 15.9 | 31.5 ± 5.2 | 7.1 ± 5.2 | 20.2 ± 3.8 | 5.0 ± 1.7 | Shields等[11] |
| 沃斯托克湖,美国 | 河流沉积物(老化) | – | – | 97.6 ± 12.4 | 42.2 ± 18.5 | 8.5 ± 1.3 | 15.0 ± 4.3 | 4.9 ± 2.7 | Shields等[11] |
| 东英吉利亚,英国 | 泥碳地 | 6.2 ± 0.1 | – | – | – | – | 10.3 ± 2.2 | – | Wen等[45] |
| 苏比克,菲律宾 | 红树林湿地 | – | – | – | 11.0 ± 4.0 | 1.7 ± 0.6 | 15.0 ± 9.0 | 0.8 ± 0.5 | Dicen等[4] |
| 奥布布,菲律宾 | 红树林湿地 | – | – | – | 12.0 ± 2.0 | 1.4 ± 0.2 | 12.0 ± 2.0 | 14.6 ± 3.5 | Dicen等[4] |
| 渤海,中国 | 海岸沉积物 | – | 17.9 ± 5.4 | 44.5 ± 10.4 | 6.2 ± 2.0 | 0.8 ± 0.7 | 11.5 ± 8.3 | 1.6 ± 1.4 | Wang等[35] |
| 南黄海,中国 | 海岸沉积物 | – | 15.7 ± 7.2 | 38.0 ± 4.6 | 7.5 ± 3.5 | 0.8 ± 0.8 | 8.8 ± 7.7 | 1.7 ± 1.8 | Ma等[36] |
| 东海,中国 | 海岸沉积物 | – | 18.6 ± 7.1 | 41.9 ± 14.9 | 5.5 ± 2.0 | 0.7 ± 0.5 | 13.2 ± 8.9 | 1.5 ± 1.3 | Ma等[36] |
| 长江口,中国 | 海岸沉积物 | – | 24.3 ± 7.4 | 157.3 ± 39.3 | 5.4 ± 2.3 | – | 6.1 ± 2.1 | 0.2 ± 0.1 | Zhao等[10] |
| 长江口,中国 | 海洋沉积物 | – | 25.7 ± 17.1 | 54.6 ± 9.0 | 3.2 ± 1.6 | – | 9.4 ± 5.1 | 0.4 ± 0.3 | Zhao等[10] |
| 长江口,中国 | 河口沉积物 | – | 7.8 ± 7.2 | 102.9 ± 14.3 | 3.2 ± 2.2 | – | 11.3 ± 3.6 | 0.3 ± 0.2 | Zhao等[10] |
| 神农架,中国 | 泥碳地 | 5.1 ± 0.2 | – | 100.0 ± 96.4 | 161.1 ± 73.3 | – | 12.8 ± 4.6 | – | Zhao等[46] |
| 三江平原,中国 | 平原湿地(植被区) | 6.5 ± 0.3 | – | 80.4 ± 1.8 | 44.2 ± 5.5 | 7.8 ± 0.3 | 17.8 ± 1.3 | – | Duan等[47] |
| 三江平原,中国 | 平原湿地(光滩) | 6.8 ± 0.2 | – | 53.6 ± 21.4 | 41.6 ± 2.9 | 2.1 ± 1.1 | 5.7 ± 2.7 | – | Duan等[47] |
| 青藏高原,中国 | 高寒湿地 | 7.4 ± 0.4 | – | 30.4 ± 14.3 | 140.0 ± 15.0 | – | 8.6 ± 3.2 | – | Wang等[35] |
| 闽江口,中国 | 潮间湿地 | 7.1 ± 0.2 | 13.5 ± 5.5 | 105.4 ± 21.4 | 12.8 ± 2.7 | 3.0 ± 0.6 | 24.5 ± 6.0 | 11.0 ± 4.5 | Bai等[44] |
| 茅尾海,中国 | 红树林湿地 | 4.8 ± 0.9 | 17.4 ± 4.6 | – | 19.2 ± 1.2 | 1.7 ± 0.7 | 10.9 ± 5.6 | 0.7 ± 0.3 | 本研究 |
| 大风江入海口,中国 | 红树林湿地 | 6.7 ± 0.9 | 21.4 ± 7.5 | – | 10.2 ± 0.5 | 1.6 ± 0.7 | 16.2 ± 5.0 | 0.6 ± 0.3 | 本研究 |
), ArticleFig(id=1200862289877389744, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表2, caption=
全球典型湿地类型铁氧化物与有机碳结合情况(改自文献[44])
, figureFileSmall=null, figureFileBig=null, tableContent=
| 站位 | 站位类型 | pH值 | 占比/% | Fe3+/(μmol·g−1) | SOC/(mg·g−1) | Fe-bound C/(mg·g−1) | fOC-Fe/% | Fe-OC∶Fe摩尔比 | 参考文献 |
| 全球海洋 | 河口/海洋沉积物 | – | – | – | – | – | 21.5 ± 8.6 | 4.0 ± 2.8 | Lalonde等[7] |
| 沃斯托克湖,美国 | 河流沉积物(新生) | – | – | 47.0 ± 23.1 | 6.2 ± 1.1 | 0.7 ± 0.6 | 8.1 ± 3.2 | 0.5 ± 0.2 | Shields等[11] |
| 沃斯托克湖,美国 | 河流沉积物(成熟) | – | – | 83.5 ± 15.9 | 31.5 ± 5.2 | 7.1 ± 5.2 | 20.2 ± 3.8 | 5.0 ± 1.7 | Shields等[11] |
| 沃斯托克湖,美国 | 河流沉积物(老化) | – | – | 97.6 ± 12.4 | 42.2 ± 18.5 | 8.5 ± 1.3 | 15.0 ± 4.3 | 4.9 ± 2.7 | Shields等[11] |
| 东英吉利亚,英国 | 泥碳地 | 6.2 ± 0.1 | – | – | – | – | 10.3 ± 2.2 | – | Wen等[45] |
| 苏比克,菲律宾 | 红树林湿地 | – | – | – | 11.0 ± 4.0 | 1.7 ± 0.6 | 15.0 ± 9.0 | 0.8 ± 0.5 | Dicen等[4] |
| 奥布布,菲律宾 | 红树林湿地 | – | – | – | 12.0 ± 2.0 | 1.4 ± 0.2 | 12.0 ± 2.0 | 14.6 ± 3.5 | Dicen等[4] |
| 渤海,中国 | 海岸沉积物 | – | 17.9 ± 5.4 | 44.5 ± 10.4 | 6.2 ± 2.0 | 0.8 ± 0.7 | 11.5 ± 8.3 | 1.6 ± 1.4 | Wang等[35] |
| 南黄海,中国 | 海岸沉积物 | – | 15.7 ± 7.2 | 38.0 ± 4.6 | 7.5 ± 3.5 | 0.8 ± 0.8 | 8.8 ± 7.7 | 1.7 ± 1.8 | Ma等[36] |
| 东海,中国 | 海岸沉积物 | – | 18.6 ± 7.1 | 41.9 ± 14.9 | 5.5 ± 2.0 | 0.7 ± 0.5 | 13.2 ± 8.9 | 1.5 ± 1.3 | Ma等[36] |
| 长江口,中国 | 海岸沉积物 | – | 24.3 ± 7.4 | 157.3 ± 39.3 | 5.4 ± 2.3 | – | 6.1 ± 2.1 | 0.2 ± 0.1 | Zhao等[10] |
| 长江口,中国 | 海洋沉积物 | – | 25.7 ± 17.1 | 54.6 ± 9.0 | 3.2 ± 1.6 | – | 9.4 ± 5.1 | 0.4 ± 0.3 | Zhao等[10] |
| 长江口,中国 | 河口沉积物 | – | 7.8 ± 7.2 | 102.9 ± 14.3 | 3.2 ± 2.2 | – | 11.3 ± 3.6 | 0.3 ± 0.2 | Zhao等[10] |
| 神农架,中国 | 泥碳地 | 5.1 ± 0.2 | – | 100.0 ± 96.4 | 161.1 ± 73.3 | – | 12.8 ± 4.6 | – | Zhao等[46] |
| 三江平原,中国 | 平原湿地(植被区) | 6.5 ± 0.3 | – | 80.4 ± 1.8 | 44.2 ± 5.5 | 7.8 ± 0.3 | 17.8 ± 1.3 | – | Duan等[47] |
| 三江平原,中国 | 平原湿地(光滩) | 6.8 ± 0.2 | – | 53.6 ± 21.4 | 41.6 ± 2.9 | 2.1 ± 1.1 | 5.7 ± 2.7 | – | Duan等[47] |
| 青藏高原,中国 | 高寒湿地 | 7.4 ± 0.4 | – | 30.4 ± 14.3 | 140.0 ± 15.0 | – | 8.6 ± 3.2 | – | Wang等[35] |
| 闽江口,中国 | 潮间湿地 | 7.1 ± 0.2 | 13.5 ± 5.5 | 105.4 ± 21.4 | 12.8 ± 2.7 | 3.0 ± 0.6 | 24.5 ± 6.0 | 11.0 ± 4.5 | Bai等[44] |
| 茅尾海,中国 | 红树林湿地 | 4.8 ± 0.9 | 17.4 ± 4.6 | – | 19.2 ± 1.2 | 1.7 ± 0.7 | 10.9 ± 5.6 | 0.7 ± 0.3 | 本研究 |
| 大风江入海口,中国 | 红树林湿地 | 6.7 ± 0.9 | 21.4 ± 7.5 | – | 10.2 ± 0.5 | 1.6 ± 0.7 | 16.2 ± 5.0 | 0.6 ± 0.3 | 本研究 |
), ArticleFig(id=1200862289978053044, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table A1, caption=
Main physicochemical parameters of the surface sediments in the mangrove in the estuary of Dafeng River
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | pH值 | 电导率/(mS·cm−1) | 盐度 | TN含量/% | TOC含量/% | 黏土占比/% | 粉砂占比/% | 砂占比/% | C/N摩尔比 |
| DF-1-A | 6.18 | 8.44 | 6.90 | 0.14 | 1.55 | 27.68 | 48.79 | 23.55 | 12.9 |
| DF-2-A | 8.18 | 2.95 | 14.3 | 0.08 | 0.77 | 18.98 | 33.80 | 47.23 | 11.2 |
| DF-3-A | 6.64 | 4.47 | 4.37 | 0.08 | 0.90 | 17.49 | 27.63 | 54.89 | 13.1 |
| DF-3-B | 5.73 | 3.55 | 17.1 | 0.12 | 1.59 | 18.93 | 32.97 | 48.11 | 15.5 |
| DF-3-C | 6.37 | 3.57 | 19.3 | 0.08 | 1.14 | 13.62 | 25.08 | 61.31 | 16.6 |
| DF-4-A | 6.59 | 4.51 | 14.7 | 0.07 | 0.61 | 19.92 | 30.25 | 49.85 | 10.2 |
| DF-4-B | 6.38 | 3.60 | 21.3 | 0.05 | 0.53 | 10.11 | 18.52 | 71.37 | 12.4 |
| DF-4-C | 6.97 | 4.41 | 23.4 | 0.08 | 0.89 | 20.94 | 35.67 | 40.84 | 13.0 |
| DF-5-A | 5.92 | 7.02 | 3.08 | 0.12 | 1.02 | 27.48 | 51.57 | 12.52 | 9.92 |
| DF-5-B | 6.53 | 8.72 | 5.55 | 0.12 | 1.00 | 26.68 | 38.98 | 34.35 | 9.72 |
| DF-5-C | 6.11 | 5.56 | 6.70 | 0.06 | 0.52 | 19.04 | 29.31 | 51.65 | 10.1 |
| DF-6-A | 7.55 | 9.28 | 22.3 | 0.16 | 1.37 | 28.64 | 54.85 | 16.52 | 9.99 |
| DF-6-B | 7.64 | 8.80 | 20.7 | 0.15 | 1.46 | 28.59 | 53.20 | 18.21 | 11.4 |
| 平均 ± SD | 6.67 ± 0.85 | 5.76 ± 3.18 | 13.8 ± 7.38 | 0.10 ± 0.04 | 1.02 ± 0.46 | 21.39 ± 7.49 | 36.26 ± 12.06 | 42.35 ± 18.98 | 12.0 ± 2.20 |
), ArticleFig(id=1200862291139875256, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表A1, caption=
大风江入海口红树林表层沉积物主要理化参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | pH值 | 电导率/(mS·cm−1) | 盐度 | TN含量/% | TOC含量/% | 黏土占比/% | 粉砂占比/% | 砂占比/% | C/N摩尔比 |
| DF-1-A | 6.18 | 8.44 | 6.90 | 0.14 | 1.55 | 27.68 | 48.79 | 23.55 | 12.9 |
| DF-2-A | 8.18 | 2.95 | 14.3 | 0.08 | 0.77 | 18.98 | 33.80 | 47.23 | 11.2 |
| DF-3-A | 6.64 | 4.47 | 4.37 | 0.08 | 0.90 | 17.49 | 27.63 | 54.89 | 13.1 |
| DF-3-B | 5.73 | 3.55 | 17.1 | 0.12 | 1.59 | 18.93 | 32.97 | 48.11 | 15.5 |
| DF-3-C | 6.37 | 3.57 | 19.3 | 0.08 | 1.14 | 13.62 | 25.08 | 61.31 | 16.6 |
| DF-4-A | 6.59 | 4.51 | 14.7 | 0.07 | 0.61 | 19.92 | 30.25 | 49.85 | 10.2 |
| DF-4-B | 6.38 | 3.60 | 21.3 | 0.05 | 0.53 | 10.11 | 18.52 | 71.37 | 12.4 |
| DF-4-C | 6.97 | 4.41 | 23.4 | 0.08 | 0.89 | 20.94 | 35.67 | 40.84 | 13.0 |
| DF-5-A | 5.92 | 7.02 | 3.08 | 0.12 | 1.02 | 27.48 | 51.57 | 12.52 | 9.92 |
| DF-5-B | 6.53 | 8.72 | 5.55 | 0.12 | 1.00 | 26.68 | 38.98 | 34.35 | 9.72 |
| DF-5-C | 6.11 | 5.56 | 6.70 | 0.06 | 0.52 | 19.04 | 29.31 | 51.65 | 10.1 |
| DF-6-A | 7.55 | 9.28 | 22.3 | 0.16 | 1.37 | 28.64 | 54.85 | 16.52 | 9.99 |
| DF-6-B | 7.64 | 8.80 | 20.7 | 0.15 | 1.46 | 28.59 | 53.20 | 18.21 | 11.4 |
| 平均 ± SD | 6.67 ± 0.85 | 5.76 ± 3.18 | 13.8 ± 7.38 | 0.10 ± 0.04 | 1.02 ± 0.46 | 21.39 ± 7.49 | 36.26 ± 12.06 | 42.35 ± 18.98 | 12.0 ± 2.20 |
), ArticleFig(id=1200862291236344252, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table A2, caption=
Main physicochemical parameters of the surface sediments in the mangrove of Maowei Sea
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | pH值 | 电导率/(mS·cm−1) | 盐度 | TN含量/% | TOC含量/% | 黏土占比/% | 粉砂占比/% | 砂占比/% | C/N摩尔比 |
| MW-1-A | 5.31 | 2.95 | 3.65 | 0.23 | 4.26 | 17.76 | 28.14 | 54.11 | 21.6 |
| MW-1-B | 4.40 | 2.14 | 3.65 | 0.06 | 1.53 | 13.19 | 23.95 | 62.87 | 29.8 |
| MW-2-A | 2.88 | 2.23 | 3.01 | 0.04 | 0.56 | 20.65 | 35.24 | 44.12 | 16.3 |
| MW-2-B | 3.90 | 1.31 | 3.01 | 0.06 | 0.85 | 8.11 | 13.05 | 78.84 | 16.5 |
| MW-3-A | 5.26 | 1.43 | 3.07 | 0.11 | 1.64 | 14.34 | 23.46 | 62.20 | 17.4 |
| MW-3-B | 4.74 | 1.22 | 3.07 | 0.06 | 1.10 | 19.37 | 34.16 | 46.48 | 21.4 |
| MW-4-A | 5.24 | 3.93 | 11.4 | 0.17 | 3.68 | 19.49 | 38.47 | 42.04 | 25.3 |
| MW-4-B | 6.31 | 3.53 | 11.4 | 0.08 | 1.68 | 16.92 | 29.62 | 53.45 | 24.5 |
| MW-5-A | 5.16 | 4.00 | 20.6 | 0.07 | 1.24 | 19.21 | 41.37 | 39.42 | 20.7 |
| MW-5-B | 5.24 | 5.34 | 20.6 | 0.13 | 2.64 | 24.55 | 50.85 | 24.61 | 23.7 |
| 平均 ± SD | 4.84 ± 0.94 | 2.81 ± 1.38 | 8.35 ± 7.27 | 0.10 ± 0.06 | 1.92 ± 1.23 | 17.36 ± 4.56 | 31.83 ± 10.63 | 50.81 ± 15.04 | 21.7 ± 4.30 |
), ArticleFig(id=1200862291328618941, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表A2, caption=
茅尾海红树林表层沉积物主要理化参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | pH值 | 电导率/(mS·cm−1) | 盐度 | TN含量/% | TOC含量/% | 黏土占比/% | 粉砂占比/% | 砂占比/% | C/N摩尔比 |
| MW-1-A | 5.31 | 2.95 | 3.65 | 0.23 | 4.26 | 17.76 | 28.14 | 54.11 | 21.6 |
| MW-1-B | 4.40 | 2.14 | 3.65 | 0.06 | 1.53 | 13.19 | 23.95 | 62.87 | 29.8 |
| MW-2-A | 2.88 | 2.23 | 3.01 | 0.04 | 0.56 | 20.65 | 35.24 | 44.12 | 16.3 |
| MW-2-B | 3.90 | 1.31 | 3.01 | 0.06 | 0.85 | 8.11 | 13.05 | 78.84 | 16.5 |
| MW-3-A | 5.26 | 1.43 | 3.07 | 0.11 | 1.64 | 14.34 | 23.46 | 62.20 | 17.4 |
| MW-3-B | 4.74 | 1.22 | 3.07 | 0.06 | 1.10 | 19.37 | 34.16 | 46.48 | 21.4 |
| MW-4-A | 5.24 | 3.93 | 11.4 | 0.17 | 3.68 | 19.49 | 38.47 | 42.04 | 25.3 |
| MW-4-B | 6.31 | 3.53 | 11.4 | 0.08 | 1.68 | 16.92 | 29.62 | 53.45 | 24.5 |
| MW-5-A | 5.16 | 4.00 | 20.6 | 0.07 | 1.24 | 19.21 | 41.37 | 39.42 | 20.7 |
| MW-5-B | 5.24 | 5.34 | 20.6 | 0.13 | 2.64 | 24.55 | 50.85 | 24.61 | 23.7 |
| 平均 ± SD | 4.84 ± 0.94 | 2.81 ± 1.38 | 8.35 ± 7.27 | 0.10 ± 0.06 | 1.92 ± 1.23 | 17.36 ± 4.56 | 31.83 ± 10.63 | 50.81 ± 15.04 | 21.7 ± 4.30 |
), ArticleFig(id=1200862291441865150, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table A3, caption=
Parameters such as FeR, Fe-OC, δ13C of the surface sediments of mangrove in the estuary of Dafeng River
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | FeR/(mg·g−1) | Fe-OC含量/% | Fe-OC∶Fe摩尔比 | fFe-OC/% | δ13Cbulk/‰ | δ13Cnon-FeOC/‰ | δ13CFe-OC/‰ | Δδ13C/‰ |
| DF-1-A | 21.6 | 0.17 | 0.36 | 10.7 | −23.41 | −24.10 | −16.36 | 7.74 |
| DF-2-A | 17.9 | 0.12 | 0.33 | 15.9 | −25.22 | −25.68 | −22.47 | 3.21 |
| DF-3-A | 9.05 | 0.11 | 0.56 | 12.4 | −24.93 | −25.30 | −17.70 | 7.60 |
| DF-3-B | 12.6 | 0.27 | 0.98 | 16.9 | −27.25 | −27.73 | −24.88 | 2.85 |
| DF-3-C | 11.2 | 0.15 | 0.61 | 12.9 | −26.60 | −27.13 | −21.25 | 5.88 |
| DF-4-A | 12.8 | 0.12 | 0.39 | 17.6 | −24.40 | −24.91 | −20.68 | 4.24 |
| DF-4-B | 5.47 | 0.07 | 0.64 | 13.6 | −25.66 | −26.26 | −22.80 | 3.45 |
| DF-4-C | 11.2 | 0.14 | 0.59 | 16.6 | −25.75 | −26.13 | −24.09 | 2.05 |
| DF-5-A | 16.3 | 0.15 | 0.41 | 17.4 | −24.84 | −25.16 | −22.41 | 2.75 |
| DF-5-B | 9.86 | 0.22 | 1.13 | 24.0 | −25.45 | −25.97 | −22.40 | 3.57 |
| DF-5-C | 9.77 | 0.11 | 0.55 | 21.2 | −25.52 | −25.76 | −24.68 | 1.08 |
| DF-6-A | 14.8 | 0.21 | 0.65 | 15.1 | −24.81 | −24.48 | −26.07 | −1.59 |
| DF-6-B | 13.6 | 0.23 | 0.79 | 16.6 | −25.05 | −24.52 | −27.46 | −2.94 |
| 平均 ± SD | 12.8 ± 4.19 | 0.16 ± 0.07 | 0.61 ± 0.27 | 16.2 ± 3.58 | −25.30 ± 0.93 | −25.63 ± 1.03 | −22.56 ± 3.05 | 3.07 ± 3.03 |
), ArticleFig(id=1200862291525751234, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表A3, caption=
大风江入海口红树林表层沉积物的FeR、Fe-OC、δ13C等参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | FeR/(mg·g−1) | Fe-OC含量/% | Fe-OC∶Fe摩尔比 | fFe-OC/% | δ13Cbulk/‰ | δ13Cnon-FeOC/‰ | δ13CFe-OC/‰ | Δδ13C/‰ |
| DF-1-A | 21.6 | 0.17 | 0.36 | 10.7 | −23.41 | −24.10 | −16.36 | 7.74 |
| DF-2-A | 17.9 | 0.12 | 0.33 | 15.9 | −25.22 | −25.68 | −22.47 | 3.21 |
| DF-3-A | 9.05 | 0.11 | 0.56 | 12.4 | −24.93 | −25.30 | −17.70 | 7.60 |
| DF-3-B | 12.6 | 0.27 | 0.98 | 16.9 | −27.25 | −27.73 | −24.88 | 2.85 |
| DF-3-C | 11.2 | 0.15 | 0.61 | 12.9 | −26.60 | −27.13 | −21.25 | 5.88 |
| DF-4-A | 12.8 | 0.12 | 0.39 | 17.6 | −24.40 | −24.91 | −20.68 | 4.24 |
| DF-4-B | 5.47 | 0.07 | 0.64 | 13.6 | −25.66 | −26.26 | −22.80 | 3.45 |
| DF-4-C | 11.2 | 0.14 | 0.59 | 16.6 | −25.75 | −26.13 | −24.09 | 2.05 |
| DF-5-A | 16.3 | 0.15 | 0.41 | 17.4 | −24.84 | −25.16 | −22.41 | 2.75 |
| DF-5-B | 9.86 | 0.22 | 1.13 | 24.0 | −25.45 | −25.97 | −22.40 | 3.57 |
| DF-5-C | 9.77 | 0.11 | 0.55 | 21.2 | −25.52 | −25.76 | −24.68 | 1.08 |
| DF-6-A | 14.8 | 0.21 | 0.65 | 15.1 | −24.81 | −24.48 | −26.07 | −1.59 |
| DF-6-B | 13.6 | 0.23 | 0.79 | 16.6 | −25.05 | −24.52 | −27.46 | −2.94 |
| 平均 ± SD | 12.8 ± 4.19 | 0.16 ± 0.07 | 0.61 ± 0.27 | 16.2 ± 3.58 | −25.30 ± 0.93 | −25.63 ± 1.03 | −22.56 ± 3.05 | 3.07 ± 3.03 |
), ArticleFig(id=1200862291634803140, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table A4, caption=
Parameters such as FeR, Fe-OC, δ13C of the surface sediments of mangrove in Maowei Sea
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | FeR/(mg·g−1) | Fe-OC含量/% | Fe-OC∶Fe摩尔比 | fFe-OC/% | δ13Cbulk/‰ | δ13Cnon-FeOC/‰ | δ13CFe-OC/‰ | Δδ13C/‰ |
| MW-1-A | 10.5 | 0.16 | 0.73 | 3.87 | − | − | − | − |
| MW-1-B | 6.77 | 0.06 | 0.41 | 3.92 | −26.99 | −27.41 | −25.66 | 1.75 |
| MW-2-A | 5.35 | 0.07 | 0.58 | 12.0 | − | − | − | − |
| MW−2-B | 5.73 | 0.18 | 1.43 | 20.8 | −25.89 | −26.60 | −23.23 | 3.37 |
| MW-3-A | 16.7 | 0.18 | 0.50 | 11.0 | − | − | − | − |
| MW-3-B | 14.9 | 0.15 | 0.47 | 13.7 | −26.45 | −26.75 | −24.57 | 2.18 |
| MW-4-A | 15.1 | 0.18 | 0.56 | 4.95 | − | − | − | − |
| MW-4-B | 13.0 | 0.29 | 1.02 | 16.9 | −26.34 | −26.79 | −24.11 | 2.68 |
| MW-5-A | 22.4 | 0.16 | 0.33 | 12.8 | − | − | − | − |
| MW-5-B | 23.1 | 0.24 | 0.48 | 9.01 | −26.44 | −26.38 | −27.04 | −0.65 |
| 平均 ± SD | 13.4 ± 6.39 | 0.17 ± 0.07 | 0.65 ± 0.33 | 10.9 ± 5.62 | −26.42 ± 0.37 | −26.78 ± 0.36 | −24.92 ± 1.39 | 1.87 ± 1.44 |
), ArticleFig(id=1200862291722883526, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表A4, caption=
茅尾海红树林表层沉积物的FeR、Fe-OC、δ13C等参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | FeR/(mg·g−1) | Fe-OC含量/% | Fe-OC∶Fe摩尔比 | fFe-OC/% | δ13Cbulk/‰ | δ13Cnon-FeOC/‰ | δ13CFe-OC/‰ | Δδ13C/‰ |
| MW-1-A | 10.5 | 0.16 | 0.73 | 3.87 | − | − | − | − |
| MW-1-B | 6.77 | 0.06 | 0.41 | 3.92 | −26.99 | −27.41 | −25.66 | 1.75 |
| MW-2-A | 5.35 | 0.07 | 0.58 | 12.0 | − | − | − | − |
| MW−2-B | 5.73 | 0.18 | 1.43 | 20.8 | −25.89 | −26.60 | −23.23 | 3.37 |
| MW-3-A | 16.7 | 0.18 | 0.50 | 11.0 | − | − | − | − |
| MW-3-B | 14.9 | 0.15 | 0.47 | 13.7 | −26.45 | −26.75 | −24.57 | 2.18 |
| MW-4-A | 15.1 | 0.18 | 0.56 | 4.95 | − | − | − | − |
| MW-4-B | 13.0 | 0.29 | 1.02 | 16.9 | −26.34 | −26.79 | −24.11 | 2.68 |
| MW-5-A | 22.4 | 0.16 | 0.33 | 12.8 | − | − | − | − |
| MW-5-B | 23.1 | 0.24 | 0.48 | 9.01 | −26.44 | −26.38 | −27.04 | −0.65 |
| 平均 ± SD | 13.4 ± 6.39 | 0.17 ± 0.07 | 0.65 ± 0.33 | 10.9 ± 5.62 | −26.42 ± 0.37 | −26.78 ± 0.36 | −24.92 ± 1.39 | 1.87 ± 1.44 |
), ArticleFig(id=1200862291819352522, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=EN, label=Table A5, caption=
Mössbauer spectral parameters of iron compounds in surface sediments in the estuary of Dafeng River and Mawei Sea
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 铁的化学态 | 相对占比/% | IS/(mm·s−1) | QS/(mm·s−1) | Fe2+/Fe3+ |
| DF-1-A | para-Fe2+ para-Fe3+ | 16.20 83.80 | 1.099 ± 0.018 0.368 ± 0.003 | 2.922 ± 0.034 0.642 ± 0.005 | 0.193 |
| DF-2-A | para-Fe2+ para-Fe3+ | 13.85 86.15 | 1.085 ± 0.020 0.368 ± 0.003 | 2.809 ± 0.040 0.621 ± 0.004 | 0.161 |
| DF-3-A | para-Fe2+ para-Fe3+ | 13.53 86.47 | 1.109 ± 0.020 0.350 ± 0.002 | 2.625 ± 0.039 0.627 ± 0.003 | 0.156 |
| DF-3-B | para-Fe2+ para-Fe3+ | 13.19 86.81 | 1.062 ± 0.022 0.358 ± 0.003 | 2.534 ± 0.044 0.625 ± 0.005 | 0.152 |
| DF-3-C | para-Fe2+ para-Fe3+ | 16.98 83.02 | 1.045 ± 0.036 0.354 ± 0.005 | 2.498 ± 0.071 0.591 ± 0.009 | 0.205 |
| DF-4-A | para-Fe2+ para-Fe3+ | 12.73 87.27 | 1.270 ± 0.015 0.337 ± 0.003 | 2.242 ± 0.031 0.682 ± 0.006 | 0.146 |
| DF-4-B | para-Fe2+ para-Fe3+ | 14.67 85.33 | 1.066 ± 0.034 0.354 ± 0.004 | 2.634 ± 0.068 0.628 ± 0.007 | 0.172 |
| DF-4-C | para-Fe2+ para-Fe3+ | 14.93 85.07 | 1.081 ± 0.007 0.356 ± 0.001 | 2.632 ± 0.013 0.633 ± 0.002 | 0.176 |
| DF-5-A | para-Fe2+ para-Fe3+ | 17.08 82.92 | 1.066 ± 0.027 0.363 ± 0.004 | 2.695 ± 0.054 0.606 ± 0.007 | 0.206 |
| DF-5-B | para-Fe2+ para-Fe3+ | 10.39 89.61 | 1.253 ± 0.016 0.332 ± 0.003 | 2.228 ± 0.032 0.677 ± 0.006 | 0.116 |
| DF-5-C | para-Fe2+ para-Fe3+ | 20.62 79.38 | 1.241 ± 0.030 0.336 ± 0.005 | 2.218 ± 0.060 0.653 ± 0.011 | 0.260 |
| DF-6-A | para-Fe2+ para-Fe3+ | 12.86 87.14 | 1.264 ± 0.008 0.326 ±0.003 | 2.259 ± 0.016 0.704 ± 0.005 | 0.148 |
| DF-6-B | para-Fe2+ para-Fe3+ | 10.28 89.72 | 1.291 ± 0.009 0.334 ± 0.003 | 2.291 ± 0.018 0.690 ± 0.005 | 0.115 |
| MW-1-A | para-Fe2+ para-Fe3+ | 8.44 91.56 | 1.293 ± 0.022 0.348 ± 0.004 | 2.282 ± 0.045 0.671 ± 0.007 | 0.092 |
| MW-3-A | para-Fe2+ para-Fe3+ | 0.00 100.00 | 未检测到 0.356 ± 0.004 | 未检测到 0.869 ± 0.006 | 0.000 |
| MW-4-A | para-Fe2+ para-Fe3+ | 9.17 90.83 | 1.055 ± 0.016 0.368 ± 0.002 | 2.647 ± 0.033 0.642 ± 0.003 | 0.101 |
| MW-5-A | para-Fe2+ para-Fe3+ | 9.02 90.98 | 1.093 ± 0.038 0.350 ± 0.003 | 2.792 ± 0.075 0.645 ± 0.005 | 0.099 |
), ArticleFig(id=1200862291915821516, tenantId=1146029695717560320, journalId=1149651085930835976, articleId=1200503478922637473, language=CN, label=表A5, caption=
大风江入海口与茅尾海表层沉积物中铁化合物的穆斯堡尔谱参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 样品编号 | 铁的化学态 | 相对占比/% | IS/(mm·s−1) | QS/(mm·s−1) | Fe2+/Fe3+ |
| DF-1-A | para-Fe2+ para-Fe3+ | 16.20 83.80 | 1.099 ± 0.018 0.368 ± 0.003 | 2.922 ± 0.034 0.642 ± 0.005 | 0.193 |
| DF-2-A | para-Fe2+ para-Fe3+ | 13.85 86.15 | 1.085 ± 0.020 0.368 ± 0.003 | 2.809 ± 0.040 0.621 ± 0.004 | 0.161 |
| DF-3-A | para-Fe2+ para-Fe3+ | 13.53 86.47 | 1.109 ± 0.020 0.350 ± 0.002 | 2.625 ± 0.039 0.627 ± 0.003 | 0.156 |
| DF-3-B | para-Fe2+ para-Fe3+ | 13.19 86.81 | 1.062 ± 0.022 0.358 ± 0.003 | 2.534 ± 0.044 0.625 ± 0.005 | 0.152 |
| DF-3-C | para-Fe2+ para-Fe3+ | 16.98 83.02 | 1.045 ± 0.036 0.354 ± 0.005 | 2.498 ± 0.071 0.591 ± 0.009 | 0.205 |
| DF-4-A | para-Fe2+ para-Fe3+ | 12.73 87.27 | 1.270 ± 0.015 0.337 ± 0.003 | 2.242 ± 0.031 0.682 ± 0.006 | 0.146 |
| DF-4-B | para-Fe2+ para-Fe3+ | 14.67 85.33 | 1.066 ± 0.034 0.354 ± 0.004 | 2.634 ± 0.068 0.628 ± 0.007 | 0.172 |
| DF-4-C | para-Fe2+ para-Fe3+ | 14.93 85.07 | 1.081 ± 0.007 0.356 ± 0.001 | 2.632 ± 0.013 0.633 ± 0.002 | 0.176 |
| DF-5-A | para-Fe2+ para-Fe3+ | 17.08 82.92 | 1.066 ± 0.027 0.363 ± 0.004 | 2.695 ± 0.054 0.606 ± 0.007 | 0.206 |
| DF-5-B | para-Fe2+ para-Fe3+ | 10.39 89.61 | 1.253 ± 0.016 0.332 ± 0.003 | 2.228 ± 0.032 0.677 ± 0.006 | 0.116 |
| DF-5-C | para-Fe2+ para-Fe3+ | 20.62 79.38 | 1.241 ± 0.030 0.336 ± 0.005 | 2.218 ± 0.060 0.653 ± 0.011 | 0.260 |
| DF-6-A | para-Fe2+ para-Fe3+ | 12.86 87.14 | 1.264 ± 0.008 0.326 ±0.003 | 2.259 ± 0.016 0.704 ± 0.005 | 0.148 |
| DF-6-B | para-Fe2+ para-Fe3+ | 10.28 89.72 | 1.291 ± 0.009 0.334 ± 0.003 | 2.291 ± 0.018 0.690 ± 0.005 | 0.115 |
| MW-1-A | para-Fe2+ para-Fe3+ | 8.44 91.56 | 1.293 ± 0.022 0.348 ± 0.004 | 2.282 ± 0.045 0.671 ± 0.007 | 0.092 |
| MW-3-A | para-Fe2+ para-Fe3+ | 0.00 100.00 | 未检测到 0.356 ± 0.004 | 未检测到 0.869 ± 0.006 | 0.000 |
| MW-4-A | para-Fe2+ para-Fe3+ | 9.17 90.83 | 1.055 ± 0.016 0.368 ± 0.002 | 2.647 ± 0.033 0.642 ± 0.003 | 0.101 |
| MW-5-A | para-Fe2+ para-Fe3+ | 9.02 90.98 | 1.093 ± 0.038 0.350 ± 0.003 | 2.792 ± 0.075 0.645 ± 0.005 | 0.099 |
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