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Atmospheric Nitrogen Deposition Increases the Possibility of Macroalgal Dominance on Remote Coral Reefs
Chen, Xiaoyan1,2; Yu, Kefu1,2; Huang, Xueyong1,2; Wang, Yinghui1,2; Liao, Zhiheng1,2; Zhang, Ruijie1,2; Yao, Qiucui1,2; Wang, Jikun1,2; Wang, Wenhuan1,2; Tao, Shichen1,2,3; Zhang, Huiling4
2019
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
ISSN2169-8953
Volume124Issue:5Pages:1355
AbstractField surveys in the Xisha and Zhongsha archipelagos, in the midnorthern South China Sea, show macroalgal dominance on remote reefs that were previously dominated by corals. This study was conducted to investigate the underlying mechanisms of this phenomenon. Benthic composition analyses indicated that macroalgae that are rare on pristine reefs dominated 27% of 81 study sites, and live coral cover dropped to 16.3% in 2015. Nearly one third of corals came into direct contact with macroalgae. Further analyses on the algal distribution patterns, nutrient fluxes, and air mass backward trajectories suggest that atmospheric nitrogen deposition is the major external supply of nutrients. The greater cover of macroalgae on the coral reefs coincides with the considerable atmospheric nitrogen deposition from the southwest during the summer monsoon. Moreover, the remote coral reefs hosted sevenfold greater macroalgae cover than the coastal coral reefs because atmospheric nitrogen assimilates effectively in the N limited and high visibility water. Macroalgae promotion is projected to grow with the increasing atmospheric nitrogen supply in the coming decade, which constitutes a larger stress on remote coral reefs.
DepartmentLMB
KeywordMacroalgal dominance remote coral reefs atmospheric nitrogen deposition south China Sea
DOI10.1029/2019JG005074
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17849
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Guangxi Univ, Coral Reefs Res Ctr China, Nanning, Peoples R China
2.Guangxi Univ, Guangxi Lab Study Coral Reefs South China Sea, Nanning, Peoples R China
3.Guangxi Univ, Sch Marine Sci, Nanning, Peoples R China
4.Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
5.Guangdong Ocean Univ, Coll Ocean Engn, Zhanjiang, Peoples R China
Recommended Citation
GB/T 7714
Chen, Xiaoyan,Yu, Kefu,Huang, Xueyong,et al. Atmospheric Nitrogen Deposition Increases the Possibility of Macroalgal Dominance on Remote Coral Reefs[J]. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,2019,124(5):1355, 1369.
APA Chen, Xiaoyan.,Yu, Kefu.,Huang, Xueyong.,Wang, Yinghui.,Liao, Zhiheng.,...&Zhang, Huiling.(2019).Atmospheric Nitrogen Deposition Increases the Possibility of Macroalgal Dominance on Remote Coral Reefs.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,124(5),1355.
MLA Chen, Xiaoyan,et al."Atmospheric Nitrogen Deposition Increases the Possibility of Macroalgal Dominance on Remote Coral Reefs".JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 124.5(2019):1355.
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