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2025 Vol. 47, No. 1

Cover
2025, 47(1): 1-1.
Abstract:
Contents
2025, 47(1): 1-3.
Abstract:
Physical Oceanography, Marine Meteorology and Marine Physics
Study on the impact of upstream discharge on saltwater intrusion distance in the Changjiang Estuary
Wang Hui, Huang Rui, Zhang Wei, Chen Zhong, Wang Xiaoguang, Li Hao, Zeng Jianfeng
2025, 47(1): 1-12. doi: 10.12284/hyxb2025009
Abstract:
Saline water intrusion at the Changjiang (Yangtze) River Estuary severely affects the security of upstream water supply, agricultural irrigation, and ecological environmental health. The distance of saline water intrusion upstream, influenced by the ...
Marine Chemistry
Spatial distribution and influencing factors of organic carbon in surface sediments of the Bohai Sea and Yellow Sea
Zhai Xiaohui, Wang Huawei, Xia Tian, Gao Jianhua, Nie Tianyi, You Zijun, Song Xiuqing, Li Xinxin
2025, 47(1): 13-24. doi: 10.12284/hyxb2025012
Abstract:
Understanding the distribution and relevant controlling factors of organic carbon in the ocean is of great significance to study the global carbon cycle and tackle climate change. Here, surface sediment samples were collected from the Bohai Sea and t...
Biogeochemical behaviors of 210Po, 210Bi, and 210Pb in the East China Sea close to the Changjiang River Estuary during a spring red tide event
Zhou Wenqing, Zhong Qiangqiang, Zhou Yuehua, Wang Qiugui, Wang Hao, Du Juan
2025, 47(1): 25-35. doi: 10.12284/hyxb2025020
Abstract:
The 210Bi-210Pb radionuclide pair is considered to be a new radiotracer for particulate carbon dynamics. Due to the very short half-life of 210Bi and the difficulty of determination, we have very few knowledge about the biogeochemical behavior of 210...
Distribution characteristics of nutrients in the Changjiang River Estuary under the watershed extreme drought in July 2023
Li Qingying, Yao Ailin, Jiang Xintong, Ming Yue, Wang Mengyu, Zhu Lixin, Wang Xianye, Gao Lei
2025, 47(1): 36-50. doi: 10.12284/hyxb2025036
Abstract:
The freshwater discharges of the Changjiang (Yangtze) River into the sea largely control the extension range of the Changjiang Diluted Water in the estuary and the inherent biogeochemical behaviors of biogenic elements. In July 2023, a summer drought...
Marine Geology
Influence of high-level pond aquaculture tailwater discharge on the response characteristics of surface sediment on the beach to Typhoon No. 2203 Chaba
Yuan Mingming, Wang Huaqiang, Tang Jieping, Chen Dezhi, Chen Yang, Li Gaocong
2025, 47(1): 51-62. doi: 10.12284/hyxb2025022
Abstract:
Investigating the impact of high-level pond aquaculture effluent discharge on the response mechanisms of sandy coastlines to typhoons is of significant importance for promoting the sustainable use and value enhancement of coastal resources. This stud...
Marine Biology
Transcriptome analysis of liver of juvenile Rachycentron canadum under low temperature stress
Tang Baogui, Cai Runjia, Zhang Jing
2025, 47(1): 63-73. doi: 10.12284/hyxb2025010
Abstract:
To investigate the effect of low temperature stress on juvenile cobia (Rachycentron canadum), the fish were reared under normal temperature [(30.5 ± 1.0)℃] and low temperature [(20.0 ± 0.5)℃] for 7 days, followed by genome-based transcriptome sequenc...
Body weight-length relationship and relative weight of bigeye grunt (Brachydeuterus auritus) in the coastal waters of Sierra Leone
Zhao Guoqing, Li Shuai, Yang Jialiang, Rao Xin, Shen Fengyuan, Huang Hongliang, Li Lingzhi
2025, 47(1): 74-83. doi: 10.12284/hyxb2025008
Abstract:
Bigeye grunt Brachydeuterus auritus is an important economic species in the waters off Sierra Leone in West Africa, with great ecological value. Based on bottom trawl survey data from six voyage samples collected between 2019 and 2021, the body weigh...
The relationship between Trachurus murphyi and the environment at different time scales
Zhang Chang, Chen Xinjun
2025, 47(1): 84-90. doi: 10.12284/hyxb2025004
Abstract:
The Trachurus murphyi is affected by the environment, and the environment itself changes with time, with short-term seasonal changes and long-term regime shifts. Based on the data on jack mackerel stock and the environment from 1970 to 2017, this pap...
Preliminary study on connectivity of organism communities in artificial and natural habitats
Chen Tao, Li Zheng, Lu Jikun, Fu Guanghui, Zhang Shuo, Gao Shike
2025, 47(1): 91-103. doi: 10.12284/hyxb2025024
Abstract:
To better understand the community patterns and their interconnections between different habitats in coastal areas, it is essential to explore the potential factors influencing species distribution and ecological connectivity between artificial and n...
Three newly recorded diatom species from coastal sand flats in Guangxi, China
Li Lang, Huang Yuyang, Nong Qunzhuan, Lai Junxiang
2025, 47(1): 117-122. doi: 10.12284/hyxb2025002
Abstract:
During an investigation of marine diatom flora in the sand samples from Guangxi, three species were identified as new records in China, which were Halamphora woelfeliae Stachura-Suchoples, Enke, Schlie, Schaub, Karsten & R.Jahn, Psammodiscus calc...
Marine Information Science
Prediction of seawater dissolved oxygen concentration based on multi-buoy spatial multi-feature fusion
Zhu Qiguang, Shen Zhen, Li Xiang, Wei Zhen, Qiao Wenjing, Zhang Linsong, Chen Ying
2025, 47(1): 104-116. doi: 10.12284/hyxb2025028
Abstract:
Dissolved oxygen concentration is one of the important indexes to measure seawater quality. In order to grasp the change of seawater quality in time and reduce the risk and loss of seawater pollution, it is very important to establish the prediction ...
Marine Technology
Evaluation and optimization of pretreatment technology for biological monitoring of marine microplastic pollution based on mussel indicator
Huang Hui, Wu Zhen, Song Kai
2025, 47(1): 123-132. doi: 10.12284/hyxb2025026
Abstract:
Biological monitoring of marine microplastic pollution based on mussel indicator is a monitoring method with broad application prospects. However, the current pretreatment process includes a variety of mussel tissue digestion and microplastic density...