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Spatial distribution patterns of phytoplankton biomass and primary productivity in six coral atolls in the central South China Sea
Ke, Zhixin1; Tan, Yehui2; Huang, Liangmin2; Liu, Huajian; Liu, Jiaxing; Jiang, Xin; Wang, Junxing
2018
Source PublicationCORAL REEFS
ISSN0722-4028
Volume37Issue:3Pages:919
AbstractNutrients' concentration, phytoplankton biomass, and primary productivity were investigated in six coral atolls in the central South China Sea during the southwest monsoon in the early summer. Nutrients' concentrations were generally very low in these atolls, and showed no obvious variation among outer reef slope, reef flat, and lagoon. The spatial variation of phytoplankton biomass and primary productivity were significant among the different regions of the atolls, and generally followed the order of outer reef slope < reef flat < lagoon. Phytoplankton biomass might be a more sensitive indicator than nutrients for the habitat differences in coral atoll ecosystem. The lagoon of Huangyan Atoll showed the highest phytoplankton biomass and primary productivity. The phytoplankton biomass and primary productivity were mainly contributed by pico-phytoplankton. Moreover, our results suggested that there might have a threshold value of Chl a for pico-phytoplankton abundance. When Chl a was higher than this threshold value (about 0.5 mu g L-1), the pico-phytoplankton abundance should not linearly increase with the Chl a concentration. Due to the significantly high-phytoplankton biomass and primary productivity, the anthropogenic eutrophication should be paid attention in the lagoon of Huangyan Atoll.
DepartmentLMB
KeywordCoral reef Phytoplankton Chlorophyll a Atoll Ecosystem health
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/17639
Collection中科院海洋生物资源可持续利用重点实验室
Affiliation1.Chinese Acad Sci, CAS Key Lab Trop Marine Bioresources & Ecol, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
2.Guangdong Prov Key Lab Appl Marine Biol, West Xingang Rd 164, Guangzhou 510301, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Ke, Zhixin,Tan, Yehui,Huang, Liangmin,et al. Spatial distribution patterns of phytoplankton biomass and primary productivity in six coral atolls in the central South China Sea[J]. CORAL REEFS,2018,37(3):919, 927.
APA Ke, Zhixin.,Tan, Yehui.,Huang, Liangmin.,Liu, Huajian.,Liu, Jiaxing.,...&Wang, Junxing.(2018).Spatial distribution patterns of phytoplankton biomass and primary productivity in six coral atolls in the central South China Sea.CORAL REEFS,37(3),919.
MLA Ke, Zhixin,et al."Spatial distribution patterns of phytoplankton biomass and primary productivity in six coral atolls in the central South China Sea".CORAL REEFS 37.3(2018):919.
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