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| DOI | 10.1007/s00227-023-04344-8 |
| Lophelia reefs off North and West Africa-Comparing environment and health | |
| 发表日期 | 2024 |
| ISSN | 0025-3162 |
| EISSN | 1432-1793 |
| 起始页码 | 171 |
| 结束页码 | 1 |
| 卷号 | 171期号:1 |
| 英文摘要 | The health status of cold-water coral reefs on the West African coast was investigated with the main objective of obtaining knowledge of the adaptive capacity of Lophelia pertusa to environmental stressors. Three coral sites were studied, in Northern Morocco, in the Morocco/Mauritania region (both in 2020) and, in the Ghana and Ivory coast region (visited in 2012, 2017, and 2019). Area cover of live colonies, explored through underwater videos, was used as an indicator of reef health and compared with the environmental variables: reef position, depth, water mass, temperature, dissolved oxygen concentration (DO), carbonate chemistry (pH, aragonite saturation (Omega Ar), macronutrients and particles (visual). For a broader picture of the adaptations presented by Lophelia our results were compared with reefs in contrasting environments. Off Ghana and Mauritania healthy reefs (i.e., having areas with more than 20 % cover of live colonies) were found to reside at DO concentrations between 1.1 and 1.6 ml L-1, in corrosive waters (pH 7.7 and Omega Ar 1.0) with high nutrient concentrations. By contrast, the reefs off the North of Morocco, sitting in well-oxygenated waters with oversaturated Omega Ar, had no or few live colonies. Our findings together with data from other studies show that Lophelia has a wide tolerance to hypoxia and acidification, and that in relation to climate change increased temperature and silting could pose more serious threats. These findings highlight the importance of continued studies of Lophelia reefs in contrasting environmental conditions to better understand their adaptation potential to climate change-related stressors. |
| 英文关键词 | Cold-water coral; Lophelia; West Africa; OMZ; Aragonite undersaturation |
| 语种 | 英语 |
| WOS研究方向 | Marine & Freshwater Biology |
| WOS类目 | Marine & Freshwater Biology |
| WOS记录号 | WOS:001124585600002 |
| 来源期刊 | MARINE BIOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/286814 |
| 作者单位 | Institute of Marine Research - Norway; Mississippi State University; University of Ghana; Institute of Marine Research - Norway |
| 推荐引用方式 GB/T 7714 | . Lophelia reefs off North and West Africa-Comparing environment and health[J],2024,171(1). |
| APA | (2024).Lophelia reefs off North and West Africa-Comparing environment and health.MARINE BIOLOGY,171(1). |
| MLA | "Lophelia reefs off North and West Africa-Comparing environment and health".MARINE BIOLOGY 171.1(2024). |
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