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| DOI | https://doi.org/10.1594/PANGAEA.859881 |
| (Table S1) Diatom abundance in coastal upwelling systems | |
| Abrantes; Fatima F | |
| 发布日期 | 2016-04-21 |
| 数据集类型 | dataset |
| 英文简介 | Coastal upwelling systems account for approximately half of global ocean primary production and contribute disproportionately to biologically driven carbon sequestration. Diatoms, silica-precipitating microalgae, constitute the dominant phytoplankton in these productive regions, and their abundance and assemblage composition in the sedimentary record is considered one of the best proxies for primary production. The study of the sedimentary diatom abundance (SDA) and total organic carbon content (TOC) in the five most important coastal upwelling systems of the modern ocean (Iberia-Canary, Benguela, Peru-Humboldt, California and Somalia-Oman) reveals a global-scale positive relationship between diatom production and organic carbon burial. The analysis of SDA in conjunction with environmental variables of coastal upwelling systems such as upwelling strength, satellite-derived net primary production and surface water nutrient concentrations shows different relations between SDA and primary production on the regional scale. At the global-scale, SDA appears modulated by the capacity of diatoms to take up silicic acid, which ultimately sets an upper limit to global export production in these ocean regions. |
| 空间范围 | Median Latitude: 9.536113 * Median Longitude: -37.444968 * South-bound Latitude: -50.650000 * West-bound Longitude: -132.667000 * North-bound Latitude: 49.400000 * East-bound Longitude: 61.685000 |
| 时间范围 | 1967-06-01T00:00:00 - 2006-09-02T11:14:00 |
| 语种 | 英语 |
| 国家 | 国际 |
| 学科大类 | 气候变化 |
| 学科子类 | 气候变化 |
| 文献类型 | 数据集 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/216861 |
| 推荐引用方式 GB/T 7714 | Abrantes,Fatima F. (Table S1) Diatom abundance in coastal upwelling systems.2016-04-21.https://doi.org/10.1594/PANGAEA.859881. |
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