Apr. 2025

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2019 Vol. 38, No. 2

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2019, Vol. 38, No. 02 Content
2019, 38(2): .
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2019, Vol. 38, No. 02 Cover
2019, 38(2): .
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2019, Vol. 38, No. 02 Package
2019, 38(2): .
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Physical Oceanography, Marine Meteorology and Marine Physics
Flow modification associated with mangrove trees in a macro-tidal flat, southern China
Chang Yang, Chen Yining, Li Yan
2019, 38(2): 1-10. doi: 10.1007/s13131-018-1163-y
Abstract:
Limited studies have investigated the modification of tidal currents by mangrove trees. In particular, the impacts of mangrove trees on a vertical velocity profile remain unclear. An automatic system is developed to observe the vertical velocity prof...
Marine Chemistry
Physical-biogeochemical interactions and potential effects on phytoplankton and Ulva prolifera in the coastal waters off Qingdao (Yellow Sea, China)
Wei Qinsheng, Wang Baodong, Yao Qingzhen, Yu Zhigang, Fu Mingzhu, Sun Junchuan, Xu Bochao, Xie Linping, Xin Ming
2019, 38(2): 11-23. doi: 10.1007/s13131-019-1344-3
Abstract:
In recent years, the spectacular massive green tide of Ulva prolifera has become a recurrent phenomenon appearing every summer in the coastal waters off Qingdao (Yellow Sea, China), attracting the attention of scientists and local government. Based o...
Multi-year assessment of paralytic shellfish toxins in hard clam species along the coastline of Jiangsu Province, China
Wang Xinzhi, Wu Hao, Cheng Ying, Wen Hongmei, Liu Rui, Wang Libao, Shan Chenxiao, Chai Chuan
2019, 38(2): 24-33. doi: 10.1007/s13131-019-1347-0
Abstract:
Paralytic shellfish toxins (PSTs) are notorious neurotoxins that threaten public health and food safety worldwide. Although PST monitoring programs have recently been established throughout China, the profiles and variation of PSTs in important comme...
Marine Geology
Grain size characteristics of the carbonate-free fraction of surface sediments from the Southwest Indian Ridge area and its geological significance
Jia Qi, Fan Dejiang, Sun Xiaoxia, Liu Ming, Zhang Wenqiang, Yang Zuosheng
2019, 38(2): 34-43. doi: 10.1007/s13131-018-1273-6
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The carbonate-free fraction of 20 surface sediments collected from the ultraslow-spreading Southwest Indian Ridge (SWIR) was studied by grain size analysis and mineralogical analysis with X-ray powder diffraction (XRD), stereo microscopy and scanning...
Marine Biology
Molecular mechanism of inbreeding effects based on RNA-Seq analysis of the adductor muscle of bay scallop (Argopecten irradians)
Wang Yu, Zhang Shoudu, Zhang Guofan, Cong Rihao, Li Li
2019, 38(2): 44-51. doi: 10.1007/s13131-019-1351-4
Abstract:
Understanding the effects of inbreeding is critical for the long-term viability of shellfish breeding and for understanding inbreeding depression (ID) of the offspring of selfed individuals and full-sib crosses. The bay scallop (Argopecten irradians)...
Ecology of Pinnidae (Mollusca: Bivalvia) from the Gulf of Thailand
PRINTRAKOON Cheewarat, ROOPNARINE Peter D, YEEMIN Thamasak
2019, 38(2): 52-69. doi: 10.1007/s13131-018-1230-4
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The ecology of the family Pinnidae was studied by sampling three pinnid species from 36 sampling sites across four different microhabitats in the Gulf of Thailand. The species spatial distributions were mostly uniform, with some populations having ra...
Seasonal size composition and abundance distribution of Euphausia pacifica in relation to environmental factors in the southern Yellow Sea
Zuo Tao, Liu Hui
2019, 38(2): 70-77. doi: 10.1007/s13131-019-1358-x
Abstract:
The seasonal size structure and spatial abundance distributions of Euphausia pacifica populations were investigated in the central part of southern Yellow Sea from August 2009 to May 2010. The abundance and biomass of E. pacifica were higher in sprin...
Molecular diversity and biogeography of benthic ciliates in the Bohai Sea and Yellow Sea
LI Guihao, SU Lei, ZHANG Qianqian, ZHANG Xiaoli, GONG Jun
2019, 38(2): 78-86. doi: 10.1007/s13131-018-1236-y
Abstract:
This study explored the molecular diversity and biogeography of benthic ciliates in Chinese marginal seas, the Bohai Sea (BHS), North Yellow Sea (NYS) and South Yellow Sea (SYS). From a previous 18S rRNA gene pyrosequencing dataset of the benthic mic...
Characterization of an extreme alkaline-stable keratinase from the draft genome of feather-degrading Bacillus sp. JM7 from deep-sea
Jin Min, Chen Chen, He Xiongfei, Zeng Runying
2019, 38(2): 87-95. doi: 10.1007/s13131-019-1350-5
Abstract:
Bacillus sp. JM7, a strain isolated from the deep-sea of the South China Sea, was found to efficiently degrade 79.4% native chicken feather within 30 h. Scanning electron microscopy analysis showed that JM7 strain could gradually degrade feather by m...
Overexpression and characterization of a thermostable β-agarase producing neoagarotetraose from a marine isolate Microbulbifer sp. AG1
ZHU Yanbing, GAO He, LI Hebin, NI Hui, JIANG Zedong, LI Lijun, XIAO Anfeng
2019, 38(2): 96-106. doi: 10.1007/s13131-019-1349-y
Abstract:
An agarase gene containing 1 302 bp was cloned from Microbulbifer sp. AG1. It encoded a mature protein of 413 amino acids plus a 20-residue signal peptide. The recombinant enzyme without the signal peptide was expressed and purified from Escherichia ...
Identification and characterization of a delta-12 fatty acid desaturase gene from marine microalgae Isochrysis galbana
Han Xiaotian, Wang Shuai, Zheng Li, Liu Wanshun
2019, 38(2): 107-113. doi: 10.1007/s13131-019-1354-1
Abstract:
The cDNA of the delta-12 fatty acid desaturase gene, IgFAD2, was cloned from the marine microalgae Isochrysis galbana, a species capable of producing docosahexaenoic acid. Sequence analysis indicated that the open reading frame measured a length of 1...
Marine Technology
Estimating the macrobenthic species richness with an optimized sampling design in the intertidal zone of Changjiang Estuary
Zhang Tingting, Zhao Feng, Wang Sikai, Zhang Tao, Liu Jianyi, Gao Yu, Zhuang Ping
2019, 38(2): 114-124. doi: 10.1007/s13131-019-1352-3
Abstract:
It is a challenge in the field sampling to face conflict between the statistical requirements and the logistical constraints when explicitly estimating the macrobenthos species richness in the heterogeneous intertidal wetlands. To solve this problem,...