Journal of Soils and Sediments最新文献

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Use of potentially toxic elements in sedimentable industrial dust to trace their input in soils (Northern France) 利用可沉积工业粉尘中的潜在有毒元素追踪其在土壤中的输入量(法国北部)
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-23 DOI: 10.1007/s11368-024-03817-7
M. Casetta, L. Courcot, J. Caillaud, D. Dumoulin, V. Alaimo, V. Cornille, G. Billon, D. Courcot, M. Hermoso, S. Philippe
{"title":"Use of potentially toxic elements in sedimentable industrial dust to trace their input in soils (Northern France)","authors":"M. Casetta, L. Courcot, J. Caillaud, D. Dumoulin, V. Alaimo, V. Cornille, G. Billon, D. Courcot, M. Hermoso, S. Philippe","doi":"10.1007/s11368-024-03817-7","DOIUrl":"https://doi.org/10.1007/s11368-024-03817-7","url":null,"abstract":"","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141105165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biochar mitigated more N2O emissions from soils with the same origin ecosystem as its feedstocks: implications for application of biochar 生物炭减少了与其原料来源生态系统相同的土壤中更多的一氧化二氮排放:对生物炭应用的影响
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-22 DOI: 10.1007/s11368-024-03819-5
Haifu Fang, Xintong Xu, Qiang Zhang, Shuli Wang, Yadi Yu, Hao Wang, Aamer Muhammad, Yang Yang, Hesham M. Aly, Dongnan Hu, Ling Zhang
{"title":"Biochar mitigated more N2O emissions from soils with the same origin ecosystem as its feedstocks: implications for application of biochar","authors":"Haifu Fang, Xintong Xu, Qiang Zhang, Shuli Wang, Yadi Yu, Hao Wang, Aamer Muhammad, Yang Yang, Hesham M. Aly, Dongnan Hu, Ling Zhang","doi":"10.1007/s11368-024-03819-5","DOIUrl":"https://doi.org/10.1007/s11368-024-03819-5","url":null,"abstract":"","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141109617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Biochar effects on soil aggregation, phosphorus distribution, and colloidal phosphorus content in paddy soils: a comparative study 生物炭对水稻土中土壤团聚、磷分布和胶体磷含量的影响:一项比较研究
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-20 DOI: 10.1007/s11368-024-03821-x
Jinju Wei, Guobing Qin, Qingyang Zeng, Qi Luo, Jianhua Ji, Xiao Yan, Jianfu Wu, Zongqiang Wei
{"title":"Biochar effects on soil aggregation, phosphorus distribution, and colloidal phosphorus content in paddy soils: a comparative study","authors":"Jinju Wei, Guobing Qin, Qingyang Zeng, Qi Luo, Jianhua Ji, Xiao Yan, Jianfu Wu, Zongqiang Wei","doi":"10.1007/s11368-024-03821-x","DOIUrl":"https://doi.org/10.1007/s11368-024-03821-x","url":null,"abstract":"","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141119528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long-term effects of biochar application on biological nitrogen fixation of acacia species and soil carbon and nitrogen pools in an Australian subtropical native forest 施用生物炭对澳大利亚亚热带原生林中刺槐物种的生物固氮以及土壤碳氮库的长期影响
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-15 DOI: 10.1007/s11368-024-03816-8
Yinan Li, Weiling Sun, Zhihong Xu, Yifan Bai, S. Bai
{"title":"Long-term effects of biochar application on biological nitrogen fixation of acacia species and soil carbon and nitrogen pools in an Australian subtropical native forest","authors":"Yinan Li, Weiling Sun, Zhihong Xu, Yifan Bai, S. Bai","doi":"10.1007/s11368-024-03816-8","DOIUrl":"https://doi.org/10.1007/s11368-024-03816-8","url":null,"abstract":"","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140977321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The extraction of carbonate components from soils and sediments: an experimental investigation by using different leaching acids 从土壤和沉积物中提取碳酸盐成分:使用不同浸出酸的实验研究
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-14 DOI: 10.1007/s11368-024-03779-w
Yifu Xu, Yuanchuan Li, Ping Wang, Jiangshan Li
{"title":"The extraction of carbonate components from soils and sediments: an experimental investigation by using different leaching acids","authors":"Yifu Xu, Yuanchuan Li, Ping Wang, Jiangshan Li","doi":"10.1007/s11368-024-03779-w","DOIUrl":"https://doi.org/10.1007/s11368-024-03779-w","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>Carbonate components in soils and sediments play a crucial role in the study of surface processes and the reconstruction of paleoclimates. The extraction of carbonate components from soils and sediments is often carried out using different types of acids. However, which reagents can effectively extract the carbonate components while minimizing the destruction of non-carbonate minerals in soils and sediments has not been fully explored yet.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>The present study conducted a series of conditional leaching experiments on six standard soil and sediment samples with diverse geological backgrounds and varying carbonate contents.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The results revealed that dilute acetic acid (HOAc, 0.5 mol/L) performed better than acid solution (HCl) and acetic acid buffer solution (NaOAc-HOAc) in promoting the complete dissolution of carbonate minerals and avoiding the dissolution of clay minerals. It was also observed that pre-treating the samples with neutral ammonium acetate buffer solution (NH<sub>4</sub>OAc) or potassium chloride buffer solution (KCl) was necessary to remove exchangeable components. The Mg/Ca ratios of the silicate components after leaching carbonate in the standard soil and sediment samples we used exhibited significant differences (ranging from 0.41 to 1.60).</p><h3 data-test=\"abstract-sub-heading\">Conclusion</h3><p>The dilute acetic acid (HOAc, 0.5 mol/L) is advisable for the extraction of carbonate components from soils and sediments, and the pre-treatment of removing exchangeable components is essential for samples with low carbonate content. It is more reasonable to use the element ratios of the dilute acid insoluble fraction or the average compositions of minerals in soils and sediments for individual correction for the contribution of the silicate components.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140930270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Nutrient contents and microbial communities as mediators of the effects of land-use in ecosystem functioning in alpine ecosystems from Central Mexico 养分含量和微生物群落是土地利用对墨西哥中部高山生态系统生态系统功能影响的中介因素
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-11 DOI: 10.1007/s11368-024-03804-y
Karen Carrasco-Espinosa, Morena Avitia, Nadia S. Santini, Ana E. Escalante
{"title":"Nutrient contents and microbial communities as mediators of the effects of land-use in ecosystem functioning in alpine ecosystems from Central Mexico","authors":"Karen Carrasco-Espinosa, Morena Avitia, Nadia S. Santini, Ana E. Escalante","doi":"10.1007/s11368-024-03804-y","DOIUrl":"https://doi.org/10.1007/s11368-024-03804-y","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>The interplay between microbial taxonomy, functional diversity, and land-use changes across diverse ecosystems must be better understood. This study explores, through a statistical modeling approach, the intricate relationships between microbial communities, soil properties (nutrient contents and physicochemical parameters), and land-use changes, using stable isotopes ratio (δ<sup>13</sup>C/δ<sup>15</sup>N) as ecosystem function indicator.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Using Structural Equation Modeling (SEM) this study aims to investigate how soil microbial communities, soil properties and ecosystem function are interconnected in three ecosystems undergoing land-use change in Nevado de Toluca, Mexico.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Multivariate analyses of microbial communities and soil parameters for the different land-uses reveal significant variation in both microbial composition and soil properties (i.e. nutrient contents) mainly explained by the land-use history of the studied ecosystems. Through the SEM approach, it was possible to disentangle the relative contribution of land-use change, microbial community composition and nutrient contents to the ecosystem function defined as the δ<sup>13</sup>C/δ<sup>15</sup>N ratio.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Microbial communities are the main drivers of soil ecosystem functioning. However, through SEM approach it is possible to formally test direct and indirect relationships impacting microbial communities and the resulting functional consequences, contributing to a mechanistic understanding of the ecological implications of land-use change, aiding in sustainable land-use decision-making.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140941664","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Feasibility study of PAHs contaminated soil remediation by Buchloe dactyloides (Nutt.) Engelm combined with biochar 用 Buchloe dactyloides (Nutt.) Engelm 与生物炭结合修复多环芳烃污染土壤的可行性研究
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-11 DOI: 10.1007/s11368-024-03807-9
Yuancheng Wang, Ao Li, Xia Li, Jiahui Yin, Xiaoxia Li, Yufeng Chen, Bokun Zou, Yongqiang Qian, Zhenyuan Sun
{"title":"Feasibility study of PAHs contaminated soil remediation by Buchloe dactyloides (Nutt.) Engelm combined with biochar","authors":"Yuancheng Wang, Ao Li, Xia Li, Jiahui Yin, Xiaoxia Li, Yufeng Chen, Bokun Zou, Yongqiang Qian, Zhenyuan Sun","doi":"10.1007/s11368-024-03807-9","DOIUrl":"https://doi.org/10.1007/s11368-024-03807-9","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>Although the combined plant-biochar remediation in improving soil contaminated by polycyclic aromatic hydrocarbons (PAHs) is considered efficient (Singha and Pandey in Crit Rev Biotechnol 41:749–766, 2021), the potential for application remains poorly known. This study used clones of <i>Buchloe dactyloides</i> to evaluate the effects of biochar on the capability of phytoremediation and rhizosphere soil contaminated with PAH.</p><h3 data-test=\"abstract-sub-heading\">Materials and methods</h3><p>Pot experiments were conducted to assess the effects of biochar on growth physiological parameters of <i>B. dactyloides</i> growth, accumulation of PAHs in <i>B. dactyloides</i>, and soil environment.</p><h3 data-test=\"abstract-sub-heading\">Results and discussion</h3><p>The results showed that the application of biochar increased the levels of antioxidants (free proline, glutathione, and ascorbic acid), antioxidant enzymes (catalase and laccase), and phytohormones (abscisic acid, indole acetic acid, jasmonic acid, salicylic acid, and gibberellin), decreased the accumulation of reactive oxygen species and lipid peroxidation in the roots, thereby enhancing the antioxidant defense ability and improving PAHs tolerance in roots of <i>B. dactyloides</i>. Moreover, the activities of enzymes (catalase, dehydrogenases, urease and protease) and soil nutrients in the rhizosphere soil were significantly increased, the content of PAHs decreased, and the health of the rhizosphere soil was improved.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Biochar treatment promoted the accumulation of PAHs, improved soil environment and significantly enhanced the effects of phytoremediation. Therefore, the combined application of <i>B. dactyloides</i> and biochar can be considered as a feasible approach for the phytoremediation of PAH-contaminated soil.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140930384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Acid-modified cotton straw biochar has instructive for the improvement of saline-alkali soil 酸改性棉秆生物炭对改良盐碱地具有指导意义
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-08 DOI: 10.1007/s11368-024-03800-2
Xiaoyang Xia, Muhammad Riaz, Saba Babar, Yuxuan Li, Xiangling Wang, Jiyuan Wang, Cuncang Jiang
{"title":"Acid-modified cotton straw biochar has instructive for the improvement of saline-alkali soil","authors":"Xiaoyang Xia, Muhammad Riaz, Saba Babar, Yuxuan Li, Xiangling Wang, Jiyuan Wang, Cuncang Jiang","doi":"10.1007/s11368-024-03800-2","DOIUrl":"https://doi.org/10.1007/s11368-024-03800-2","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>Soil salinization severely hinders the development of agriculture. Pristine biochar (BC) has a considerable impact on improving soil quality and maximizing crop yield. However, applying biochar has the risk of aggravating soil salinization. Acid-modified biochar may have a good effect on the improvement of saline-alkali soil.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Nitric acid and phosphoric acid were used to modify the pristine biochar (BC). The pristine biochar (BC), nitric acid-modified biochar (NC) and phosphoric acid-modified biochar (PC) were used at 1%, 2%, and 3% (w/w), respectively. There were ten treatments in total: CK, BC<sub>1</sub>, BC<sub>2</sub>, BC<sub>3</sub>, NC<sub>1</sub>, NC<sub>2</sub>, NC<sub>3</sub>, PC<sub>1</sub>, PC<sub>2</sub>, and PC<sub>3</sub>.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>Our results indicated that the application of biochar further aggravated soil salinization. Soil pH and EC significantly increased by 0.08–0.42 units and 215.51–362.07 μS.cm<sup>−1</sup>, respectively. Additionally, the BC application reduced the activities of C-, N- and P-acquiring enzymes in saline-alkali soil. Compared with BC, NC and PC decreased the alkaline metal elements by 84.34% and 79.29%, respectively, and enhanced the specific surface area. Acid-modified biochar significantly reduced the content of Na<sup>+</sup>, Cl<sup>−</sup>, SO<sub>4</sub><sup>2−</sup>, CO<sub>3</sub><sup>2−</sup> and HCO<sub>3</sub><sup>−</sup>. Meanwhile, the application of acid-modified biochar reduced soil pH and EC by 0.16–0.59 units, 228.38–788.93 μS.cm<sup>−1</sup>, respectively. Furthermore, the application of acid-modified biochar enhanced N fixation ability and the activity of C-acquiring enzymes and P-acquiring enzymes.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>The application of pristine cotton straw biochar will further aggravate soil salinization, thereby inhibiting the soil enzyme activities. In contrast, acid-modified cotton straw biochar can reduce soil salinity, improve soil available nutrients and also enhance the enzymatic activities, which is advantageous to the restoration of saline-alkali soil.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140930296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Flaveria bidentis invasion modifies soil physicochemical properties and increases microorganism community diversity 黄花菜入侵改变了土壤理化性质,增加了微生物群落多样性
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-07 DOI: 10.1007/s11368-024-03810-0
Shuaiying Zhang, Jiantao Liu, Haixia Zhao, Qiao Li, Han Zhang, Mengxin Zhao
{"title":"Flaveria bidentis invasion modifies soil physicochemical properties and increases microorganism community diversity","authors":"Shuaiying Zhang, Jiantao Liu, Haixia Zhao, Qiao Li, Han Zhang, Mengxin Zhao","doi":"10.1007/s11368-024-03810-0","DOIUrl":"https://doi.org/10.1007/s11368-024-03810-0","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>The invasive plant <i>Flaveria bidentis (L.) Kuntze</i>, known as the \"ecological killer\", poses a significant threat to the ecosystem stability due to its strong phenotypic plasticity and high fertility. Previous studies have reported a close relationship between plant invasion and soil microbial communities. This study aimed to gain a deeper understanding of the relationship between the invasion of <i>F. bidentis</i>, the diversity of soil microbial communities, and soil physiochemical properties.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>In this study, we established a common garden experiment by planting <i>F. bidentis</i> and <i>Chenopodium ficifolium Sm.</i> separately and mixed, in Lanfang, China. We analyzed microbial communities in both bulk soil and rhizosphere soil using the high-throughput sequencing technology.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>The results showed that <i>F. bidentis</i> invasion significantly increased bacterial and fungal diversities in rhizosphere soil, irrelevant with or without the existence of native plant species. Meanwhile, <i>F. bidentis</i> increased the content of organic matter and ammonium nitrogen (NH<sub>4</sub><sup>+</sup>) in bulk soil and decrease the content of NH<sub>4</sub><sup>+</sup> in rhizosphere soil. Significant correlations were observed between nitrogen contents or acid phosphatase and specific soil microbial communities.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>These results underly that regardless of competition with native plants, the invasion of <i>F. bidentis</i> alters soil physicochemical properties and increases microorganism community diversity. This study establishes a theoretical foundation for further research on the invasion mechanisms of <i>F. bidentis</i> and provides valuable references for other studies about <i>F. bidentis</i>.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140882636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Metavirome mining from fjord sediments of Svalbard Archipelago 从斯瓦尔巴群岛的峡湾沉积物中挖掘元病毒体
IF 3.6 3区 农林科学
Journal of Soils and Sediments Pub Date : 2024-05-07 DOI: 10.1007/s11368-024-03809-7
Bhavya Kachiprath, Jayanath Gopi, Manomi Sarasan, Jayesh Puthumana, E. R. Chaithanya, Rosamma Philip
{"title":"Metavirome mining from fjord sediments of Svalbard Archipelago","authors":"Bhavya Kachiprath, Jayanath Gopi, Manomi Sarasan, Jayesh Puthumana, E. R. Chaithanya, Rosamma Philip","doi":"10.1007/s11368-024-03809-7","DOIUrl":"https://doi.org/10.1007/s11368-024-03809-7","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Purpose</h3><p>Viruses are the largest genetic repository and most diverse host-associated replicating organisms in a wide range of ecosystems in the entire biosphere. Although playing crucial roles in numerous processes such as nutrient cycles, viral shunt, and population control within marine ecosystems, viral communities continue to be the least explored biological entities, particularly in extreme marine habitats. Therefore, details about the viral diversity and their metabolic potential from Arctic sediments has great importance.</p><h3 data-test=\"abstract-sub-heading\">Methods</h3><p>Sediment samples were collected from two Arctic fjords, Kongsfjorden and Krossfjorden, in Svalbard. Viral nucleic acids were extracted from both fjord sediments after a pre-processing step. Illumina Novaseq based shotgun sequencing was performed and bioinformatic analysis was done to explore viral communities and their functional potential.</p><h3 data-test=\"abstract-sub-heading\">Results</h3><p>An array of DNA and RNA viruses especially bacteriophages along with viruses infecting algae, plants, molluscs, shrimps, fishes, amphibians, reptiles, birds, humans, and other mammals were detected from both fjords. The double-stranded DNA viruses were the most abundant (Siphoviridae, Podoviridae, Myoviridae, and Phycodnaviridae), followed by single-stranded DNA (Inoviridae) and RNA (Retroviridae and Betaflexiviridae) viruses from both metavirome. Functional analysis explored genes encoding virus structures, enzymes for phage replication, integration and excision and proteins related to phage regulation of gene expression.</p><h3 data-test=\"abstract-sub-heading\">Conclusions</h3><p>Fjord metavirome analysis revealed the occurrence of virus groups endemic to Arctic freshwater and marine habitats along with an extra pool of unclassified or unassigned virus reads. Viruses infecting a variety of bacterial groups, and other higher trophic levels in fjord environments were explored. Functional annotation revealed the abundance of phage-related structural genes and metabolic genes. Comparative analysis revealed the abundance of dsDNA viruses from Caudovirales (Myoviridae, Podoviridae and Siphoviridae) in all the analysed Arctic samples in different proportions. The present study enhances our understanding of viral diversity and their metabolic potential in Arctic fjord sediments.</p>","PeriodicalId":17139,"journal":{"name":"Journal of Soils and Sediments","volume":null,"pages":null},"PeriodicalIF":3.6,"publicationDate":"2024-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140882739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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