Climate Change Data Portal
| DOI | 10.1016/j.marpolbul.2024.116289 |
| Ocean acidification significantly alters the trace element content of the kelp, Saccharina latissima | |
| 发表日期 | 2024 |
| ISSN | 0025-326X |
| EISSN | 1879-3363 |
| 起始页码 | 202 |
| 卷号 | 202 |
| 英文摘要 | Seaweeds are ecosystem engineers that can serve as habitat, sequester carbon, buffer ecosystems against acidification, and, in an aquaculture setting, represent an important food source. One health issue regarding the consumption of seaweeds and specifically, kelp, is the accumulation of some trace elements of concern within tissues. As atmospheric CO2 concentrations rise, and global oceans acidify, the concentrations of elements in seawater and kelp may change. Here, we cultivated the sugar kelp, Saccharina latissima under ambient (similar to 400 mu atm) and elevated pCO(2) (600-2400 mu atm) conditions and examined the accumulation of trace elements using x-ray powder diffraction, sub-micron resolution x-ray imaging, and inductively coupled plasma mass spectrometry. Exposure of S. latissima to higher concentrations of pCO(2) and lower pH caused a significant increase (p < 0.05) in the iodine and arsenic content of kelp along with increased subcellular heterogeneity of these two elements as well as bromine. The iodine-to-calcium and bromine-to-calcium ratios of kelp also increased significantly under high CO2/low pH (p < 0.05). In contrast, high CO2/low pH significantly reduced levels of copper and cadmium in kelp tissue (p < 0.05) and there were significant inverse correlations between concentrations of pCO(2) and concentrations of cadmium and copper in kelp (p < 0.05). Changes in copper and cadmium levels in kelp were counter to expected changes in their free ionic concentrations in seawater, suggesting that the influence of low pH on algal physiology was an important control on the elemental content of kelp. Collectively, these findings reveal the complex effects of ocean acidification on the elemental composition of seaweeds and indicate that the elemental content of seaweeds used as food must be carefully monitored as climate change accelerates this century. |
| 英文关键词 | Ocean acidification; Kelp; Iodine; Arsenic; Bromine; Saccharina latissima |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology |
| WOS类目 | Environmental Sciences ; Marine & Freshwater Biology |
| WOS记录号 | WOS:001214968900001 |
| 来源期刊 | MARINE POLLUTION BULLETIN
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/302093 |
| 作者单位 | Vanderbilt University; State University of New York (SUNY) System; State University of New York (SUNY) Stony Brook; United States Department of Energy (DOE); Brookhaven National Laboratory |
| 推荐引用方式 GB/T 7714 | . Ocean acidification significantly alters the trace element content of the kelp, Saccharina latissima[J],2024,202. |
| APA | (2024).Ocean acidification significantly alters the trace element content of the kelp, Saccharina latissima.MARINE POLLUTION BULLETIN,202. |
| MLA | "Ocean acidification significantly alters the trace element content of the kelp, Saccharina latissima".MARINE POLLUTION BULLETIN 202(2024). |
| 条目包含的文件 | 条目无相关文件。 | |||||
| 个性服务 |
| 推荐该条目 |
| 保存到收藏夹 |
| 导出为Endnote文件 |
| 谷歌学术 |
| 谷歌学术中相似的文章 |
| 百度学术 |
| 百度学术中相似的文章 |
| 必应学术 |
| 必应学术中相似的文章 |
| 相关权益政策 |
| 暂无数据 |
| 收藏/分享 |
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
