Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.14764 |
Positive genetic associations among fitness traits support evolvability of a reef-building coral under multiple stressors | |
Wright, Rachel M.1,2,3; Mera, Hanaka4; Kenkel, Carly D.4,5; Nayfa, Maria6; Bay, Line K.4; Matz, Mikhail, V3 | |
2019-08-10 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2019 |
卷号 | 25期号:10页码:3294-3304 |
文章类型 | Article |
语种 | 英语 |
国家 | USA; Australia |
英文摘要 | Climate change threatens organisms in a variety of interactive ways that requires simultaneous adaptation of multiple traits. Predicting evolutionary responses requires an understanding of the potential for interactions among stressors and the genetic variance and covariance among fitness-related traits that may reinforce or constrain an adaptive response. Here we investigate the capacity of Acropora millepora, a reef-building coral, to adapt to multiple environmental stressors: rising sea surface temperature, ocean acidification, and increased prevalence of infectious diseases. We measured growth rates (weight gain), coral color (a proxy for Symbiodiniaceae density), and survival, in addition to nine physiological indicators of coral and algal health in 40 coral genets exposed to each of these three stressors singly and combined. Individual stressors resulted in predicted responses (e.g., corals developed lesions after bacterial challenge and bleached under thermal stress). However, corals did not suffer substantially more when all three stressors were combined. Nor were trade-offs observed between tolerances to different stressors; instead, individuals performing well under one stressor also tended to perform well under every other stressor. An analysis of genetic correlations between traits revealed positive covariances, suggesting that selection to multiple stressors will reinforce rather than constrain the simultaneous evolution of traits related to holobiont health (e.g., weight gain and algal density). These findings support the potential for rapid coral adaptation under climate change and emphasize the importance of accounting for corals' adaptive capacity when predicting the future of coral reefs. |
英文关键词 | Acropora millepora adaptation covariance multiple stressors reef-building coral |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000480864100001 |
WOS关键词 | OXIDATIVE STRESS ; CLIMATE-CHANGE ; THERMAL-STRESS ; FLORIDA-KEYS ; RESPONSES ; DISEASE ; TOLERANCE ; SELECTION ; PATHOGEN ; GROWTH |
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/185943 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Smith Coll, Dept Biol Sci, 44 Coll Lane, Northampton, MA 01063 USA; 2.Harvard Med Sch, Dept Genet, Boston, MA 02115 USA; 3.Univ Texas Austin, Dept Integrat Biol, Austin, TX 78712 USA; 4.Australian Inst Marine Sci, Townsville, Qld, Australia; 5.Univ Southern Calif, Dept Biol Sci, Los Angeles, CA USA; 6.James Cook Univ, Coll Sci & Engn, Ctr Sustainable Trop Fisheries & Aquaculture, Townsville, Qld, Australia |
推荐引用方式 GB/T 7714 | Wright, Rachel M.,Mera, Hanaka,Kenkel, Carly D.,et al. Positive genetic associations among fitness traits support evolvability of a reef-building coral under multiple stressors[J]. GLOBAL CHANGE BIOLOGY,2019,25(10):3294-3304. |
APA | Wright, Rachel M.,Mera, Hanaka,Kenkel, Carly D.,Nayfa, Maria,Bay, Line K.,&Matz, Mikhail, V.(2019).Positive genetic associations among fitness traits support evolvability of a reef-building coral under multiple stressors.GLOBAL CHANGE BIOLOGY,25(10),3294-3304. |
MLA | Wright, Rachel M.,et al."Positive genetic associations among fitness traits support evolvability of a reef-building coral under multiple stressors".GLOBAL CHANGE BIOLOGY 25.10(2019):3294-3304. |
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