{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T18:03:58Z","timestamp":1789668238427,"version":"4.0.1"},"reference-count":38,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,12,8]],"date-time":"2024-12-08T00:00:00Z","timestamp":1733616000000},"content-version":"vor","delay-in-days":7,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["U2106203"],"award-info":[{"award-number":["U2106203"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100007129","name":"Natural Science Foundation of Shandong Province","doi-asserted-by":"publisher","award":["ZR2024QD053"],"award-info":[{"award-number":["ZR2024QD053"]}],"id":[{"id":"10.13039\/501100007129","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Water Environment Research"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:label\/><jats:p>Iodine is an important component of the thyroid gland, producing hormones. Excess iodine can trigger autoimmune thyroid disease. The salt\u2013freshwater interaction zone of the coastal aquifer is affected by seawater intrusion, and the physical and chemical environment is constantly changing. Exploring the characteristics and influencing factors of high\u2010iodine groundwater in coastal areas play an important role in the prevention and control of groundwater pollution. In this study, the hydrochemical characteristics of high\u2010iodine groundwater were analyzed. The interrelationship between the water's chemical components was revealed, and the microbial community composition under different iodine concentration gradients in the groundwater was examined using 16sRNA high\u2010throughput sequencing. The influence of water quality on microbial distribution was also explored. The results showed that the iodine content in the Bailang River Basin ranged from 31 to 1776\u2009\u03bcg\/L, and the high\u2010iodine groundwater samples accounted for 67.7%, with uneven spatial distribution. Groundwater samples with different iodine concentrations were grouped and compared, and there was no significant difference in the diversity and richness of microbial communities. At the genus level, iodine concentrations were significantly correlated with <jats:italic>Sediminibacterium<\/jats:italic> and <jats:italic>Thauera<\/jats:italic>. In addition to iodine, nitrates and sulfates also have a significant effect on microbial communities.<\/jats:p><\/jats:sec><jats:sec><jats:title>Practitioner Points<\/jats:title><jats:p><jats:list>\n<jats:list-item><jats:p>Groundwater in the south bank of Laizhou Bay is predominantly alkaline, with uneven spatial distribution of iodine content.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>As the concentration of iodide increases, the groundwater chemical type tends towards Na\u2010Cl type.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>The concentration of iodine has little effect on the richness and diversity of microbial communities.<\/jats:p><\/jats:list-item>\n<jats:list-item><jats:p>The concentrations of sulfate, nitrate, and nitrite also affect the microbial structure and species diversity of groundwater.<\/jats:p><\/jats:list-item>\n<\/jats:list><\/jats:p><\/jats:sec>","DOI":"10.1002\/wer.11154","type":"journal-article","created":{"date-parts":[[2024,12,9]],"date-time":"2024-12-09T06:59:05Z","timestamp":1733727545000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Effects of iodine content on the hydrochemical characteristics and microbial community structure of groundwater in coastal zone: A case study of Bailang River Basin"],"prefix":"10.1002","volume":"96","author":[{"given":"Xiaolong","family":"Cao","sequence":"first","affiliation":[{"name":"School of Environmental and Geographic Sciences Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingyu","family":"Li","sequence":"additional","affiliation":[{"name":"School of Environmental and Geographic Sciences Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Yang","sequence":"additional","affiliation":[{"name":"Shandong Outlook Environmental Engineering Consulting Co., LTD  Jinan Shandong China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dilibaer","family":"Ruzibake","sequence":"additional","affiliation":[{"name":"School of Environmental and Geographic Sciences Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianlei","family":"Chen","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute Chinese Academy of Fishery Sciences  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0007-5204-2826","authenticated-orcid":false,"given":"Shuya","family":"Hu","sequence":"additional","affiliation":[{"name":"School of Environmental and Geographic Sciences Qingdao University  Qingdao China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,12,8]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.gca.2015.03.032"},{"issue":"3","key":"e_1_2_8_3_1","first-page":"241","article-title":"Study on the groundwater hydrochemical characteristics in the southern Laizhou Bay","volume":"31","author":"Bi Y.","year":"2012","journal-title":"Marine Science 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