Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.13895 |
Thermal refugia against coral bleaching throughout the northern Red Sea | |
Osman, Eslam O.1,2; Smith, David J.1; Ziegler, Maren3; Kurten, Benjamin3; Conrad, Constanze4; El-Haddad, Khaled M.5; Voolstra, Christian R.3; Suggett, David J.1,6 | |
2018-02-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2018 |
卷号 | 24期号:2页码:E474-E484 |
文章类型 | Article |
语种 | 英语 |
国家 | England; Egypt; Saudi Arabia; Australia |
英文摘要 | Tropical reefs have been impacted by thermal anomalies caused by global warming that induced coral bleaching and mortality events globally. However, there have only been very few recordings of bleaching within the Red Sea despite covering a latitudinal range of 15 degrees and consequently it has been considered a region that is less sensitive to thermal anomalies. We therefore examined historical patterns of sea surface temperature (SST) and associated anomalies (1982-2012) and compared warming trends with a unique compilation of corresponding coral bleaching records from throughout the region. These data indicated that the northern Red Sea has not experienced mass bleaching despite intensive Degree Heating Weeks (DHW) of >15 degrees C-weeks. Severe bleaching was restricted to the central and southern Red Sea where DHWs have been more frequent, but far less intense (DHWs <4 degrees C-weeks). A similar pattern was observed during the 2015-2016 El Nino event during which time corals in the northern Red Sea did not bleach despite high thermal stress (i.e. DHWs >8 degrees C-weeks), and bleaching was restricted to the central and southern Red Sea despite the lower thermal stress (DHWs <8 degrees C-weeks). Heat stress assays carried out in the northern (Hurghada) and central (Thuwal) Red Sea on four key reef-building species confirmed different regional thermal susceptibility, and that central Red Sea corals are more sensitive to thermal anomalies as compared to those from the north. Together, our data demonstrate that corals in the northern Red Sea have a much higher heat tolerance than their prevailing temperature regime would suggest. In contrast, corals from the central Red Sea are close to their thermal limits, which closely match the maximum annual water temperatures. The northern Red Sea harbours reef-building corals that live well below their bleaching thresholds and thus we propose that the region represents a thermal refuge of global importance. |
英文关键词 | coral bleaching global warming refugia remote sensing thermal tolerance |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000423994700009 |
WOS关键词 | CLIMATE-CHANGE ; REEF ; TEMPERATURE ; SYMBIODINIUM ; STRESS ; FUTURE ; ACCLIMATIZATION ; TOLERANCE ; DIVERSITY ; SYMBIONTS |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/17178 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Univ Essex, Coral Reef Res Unit, Sch Biol Sci, Colchester, Essex, England; 2.Al Azhar Univ, Marine Biol Dept, Fac Sci, Cairo, Egypt; 3.King Abdullah Univ Sci & Technol, Div Biol & Environm Sci & Engn BESE, Red Sea Res Ctr, Thuwal, Saudi Arabia; 4.MBC, South Marsa Alam, Egypt; 5.NIOF, Suez, Egypt; 6.Univ Technol Sydney, Climate Change Cluster, Sydney, NSW, Australia |
推荐引用方式 GB/T 7714 | Osman, Eslam O.,Smith, David J.,Ziegler, Maren,et al. Thermal refugia against coral bleaching throughout the northern Red Sea[J]. GLOBAL CHANGE BIOLOGY,2018,24(2):E474-E484. |
APA | Osman, Eslam O..,Smith, David J..,Ziegler, Maren.,Kurten, Benjamin.,Conrad, Constanze.,...&Suggett, David J..(2018).Thermal refugia against coral bleaching throughout the northern Red Sea.GLOBAL CHANGE BIOLOGY,24(2),E474-E484. |
MLA | Osman, Eslam O.,et al."Thermal refugia against coral bleaching throughout the northern Red Sea".GLOBAL CHANGE BIOLOGY 24.2(2018):E474-E484. |
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