Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.16007 |
Divergent fate of coccolithophores in a warming tropical ecosystem | |
Miguel José; Frada; Sabine Keuter; Gil Koplovitz; Yoav Avrahami | |
2021-11-29 | |
发表期刊 | Global Change Biology
![]() |
出版年 | 2021 |
英文摘要 | Rising ocean temperatures will alter the diversity of marine phytoplankton communities, likely leading to modifications in food-web and biogeochemical dynamics. Here we focus on coccolithophores, a prominent group of calcifying phytoplankton that plays a central role in the global carbon cycle. Using both new (2017–2020) and historical (1975–1976) data from the northern Red Sea, we found that during ‘mild summers’, the most common coccolithophores - Emiliania huxleyi and Gephyrocapsa ericsonii - co-exist at similar densities. Both species then particularly flourish during subsequent winter periods where nutrient availability is higher due to convective mixing. However, during ‘hot summers’, which have become progressively the norm over the last decades with average surface temperatures exceeding 27°C for long time-periods, G. ericsonii density markedly declined. Moreover, G. ericsonii remains at low background levels even during winter mixing periods, while E. huxleyi succession and development during winter appears unchanged. Further incubation assays using native assemblages confirmed that G. ericsonii’s growth over 27°C is significantly reduced relative to E. huxleyi. Additional factors likely contribute to impair G. ericsonii populations at sea, but temperature is a key factor. Our results illustrate the divergent impact of ongoing ocean warming in tropical phytoplankton species. |
领域 | 气候变化 ; 资源环境 |
URL | 查看原文 |
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/343068 |
专题 | 气候变化 资源环境科学 |
推荐引用方式 GB/T 7714 | Miguel José,Frada,Sabine Keuter,et al. Divergent fate of coccolithophores in a warming tropical ecosystem[J]. Global Change Biology,2021. |
APA | Miguel José,Frada,Sabine Keuter,Gil Koplovitz,&Yoav Avrahami.(2021).Divergent fate of coccolithophores in a warming tropical ecosystem.Global Change Biology. |
MLA | Miguel José,et al."Divergent fate of coccolithophores in a warming tropical ecosystem".Global Change Biology (2021). |
条目包含的文件 | 条目无相关文件。 |
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。
修改评论