SEASONAL MONITORING OF PHOTOSYNTHESIS CHARACTERISTICS OF SCLERACTINIAN CORALS IN THE NORTHERN SOUTH CHINA SEA

ZHANG Haiyang; ZHAO Meixia; ZHONG Yu; LU Li; LIU Guohui; YANG Hongqiang; YAN Hongqiang

doi:10.16028/j.1009-2722.2020.186

2021 Vol. 37, No. 6

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Article navigation > Marine Geology Frontiers > 2021 > 37(6): 84-91

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ZHANG Haiyang, ZHAO Meixia, ZHONG Yu, LU Li, LIU Guohui, YANG Hongqiang, YAN Hongqiang. SEASONAL MONITORING OF PHOTOSYNTHESIS CHARACTERISTICS OF SCLERACTINIAN CORALS IN THE NORTHERN SOUTH CHINA SEA[J]. Marine Geology Frontiers, 2021, 37(6): 84-91. doi: 10.16028/j.1009-2722.2020.186

Citation:

ZHANG Haiyang, ZHAO Meixia, ZHONG Yu, LU Li, LIU Guohui, YANG Hongqiang, YAN Hongqiang. SEASONAL MONITORING OF PHOTOSYNTHESIS CHARACTERISTICS OF SCLERACTINIAN CORALS IN THE NORTHERN SOUTH CHINA SEA[J]. Marine Geology Frontiers, 2021, 37(6): 84-91. doi: 10.16028/j.1009-2722.2020.186

SEASONAL MONITORING OF PHOTOSYNTHESIS CHARACTERISTICS OF SCLERACTINIAN CORALS IN THE NORTHERN SOUTH CHINA SEA

1.
Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Innovation Academy of South China Sea Ecology and Environmental Engineering, Chinese Academy of Sciences, Guangzhou 510301, China
2.
Guangxi Mangrove Research Center, Guangxi Key Laboratory of Mangrove Conservation and Utilization, Guangxi Academy of Sciences, Beihai 536000, China
3.
Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 511458, China
4.
University of Chinese Academy of Sciences, Beijing 100049, China
5.
Daya Bay Marine Biology Research Station, Chinese Academy of Sciences, Shenzhen 518121, China
6.
College of Marine Science and Technology, China University of Geosciences(Wuhan), Wuhan 430074, China

More Information

Corresponding author: ZHAO Meixia, zhaomeix@scsio.ac.cn

Received Date: 30 November 2020

Publish Date: 28 June 2021

Abstract

Abstract

Systematic investigations of scleractinian corals in the natural environment are relatively lacking since the global decline of coral reefs. In this study, we selected three corals with typical morphology from Sanya, including Pocillopora damicornis, Porites lutea and Pavona decussata. We investigated the symbiodinium density, chlorophyll-a content and effective quantum yield (Φ _PSII) for one year. The results show that: ① There are significant interspecific differences among the three corals. The scleractinian density and chlorophyll-a content of P. lutea are the highest, while the Φ _PSII is the lowest. ② About symbiodinium density, the lowest value of P. damicornis appeared in winter, while the lowest value of P. damicornis and P. decussata appeared in spring. The chlorophyll-a content and Φ _PSII of the three corals show similar pattern of seasonal changes, higher in autumn and winter, lower in spring and summer. ③ The photosynthetic characteristics of corals are related closely to the ecological health of coral reefs, and have clear interspecific differences and seasonal differences. Therefore, the interspecific differences and environmental dynamic changes of scleractinian corals, as an important indicator, need serious consideration in the coral reef monitoring and health assessment.
- scleractinian corals /
- Symbiodinium density /
- chlorophyll-a content /
- effective quantum yield /
- interspecific differences /
- seasonal variation

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References

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