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The development of Ulva prolifera green tide and the roles of nitrogen nutrients in it in the southern Yellow Sea in 2018
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Haibo Zhang1, Shuang Wang1, Hang Yin2, Zhenxia Sha3, Xiaoyong Shi1, 4, Rongguo Su1, *, Shaofeng Pei5, Guoshan Wang3, Yinping Ma1
Haiyang Xuebao | 2020, 42(8) : 40 - 49
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Haiyang Xuebao | 2020, 42(8): 40-49
• Progress on the development and prevention of Yellow Sea green tide •
The development of Ulva prolifera green tide and the roles of nitrogen nutrients in it in the southern Yellow Sea in 2018
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Haibo Zhang1, Shuang Wang1, Hang Yin2, Zhenxia Sha3, Xiaoyong Shi1, 4, Rongguo Su1, *, Shaofeng Pei5, Guoshan Wang3, Yinping Ma1
Affiliations
  • 1 College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
  • 2 School of Marine and Atmospheric Sciences, Stony Brook University, State University of New York, New York 11790, USA
  • 3 College of Life Sciences, Qingdao University, Qingdao 266071, China
  • 4 National Marine Hazard Mitigation Service, Ministry of Natural Resources, Beijing 100194, China
  • 5 Key Laboratory of Coastal Wetland Biogeosciences, China Geological Survey, Qingdao 266071, China
Published: 2020-08-25 doi: 10.3969/j.issn.0253-4193.2020.08.005
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Based on the daily satellite monitoring data of floating green tides, and the nitrogen nutrients and hydrological environment parameters were collected in spring (April, before green tides) and summer (July, later stage of green tides) cruises in the southern Yellow Sea (SYS) in 2018, we studied the spatio-temporal variation characteristics of the green tides, and the role of nitrogen nutrients in it. The results showed that the small U. prolifera patches were firstly observed in shallow waters off Nantong, Jiangsu Province on April 25, then floated northward and reached its maximum scale on the June 29, followed by decomposition and disappearance in the coast of Shandong Peninsula in the mid-August. The trajectory area of floating green tides was mainly located in the western of 122°E in the SYS, and showed two distinguishable development phases, the rapid growth phase in the south of 35°N, nearshore area of Jiangsu, and the decline phase in the north of 35°N, offshore area of Shandong Peninsula. The nitrogen nutrient components showed regional and seasonal variations, influenced by the freshwater influx, cold water masses, biological activity and other factors. The effects of nitrogen components were different in different development phases of green tides. The rich nitrogen nutrients from a variety of sources (total dissdved nitrogen (TDN) >20 μmol/L and dissolved inorganic nitrogen (DIN) >20 μmol/L) provided sufficient nitrogen for the development of green tides in the dominated form of DIN, and contributed to the fast reproduction and growth of U. prolifera in the rapid growth phase. While the U. prolifera showed a higher affinity for DON in the decline phase area, the urea-N become main nitrogen source for the development of green tides because of the poor bioavailable nitrogen content (DIN<2 μmol/L and urea-N<1.5 μmol/L) condition, which would limit the continuous growth of U. prolifera.

green tides  /  development phases  /  nitrogen sources  /  urea-N  /  southern Yellow Sea  /  Ulva prolifera
Haibo Zhang, Shuang Wang, Hang Yin, Zhenxia Sha, Xiaoyong Shi, Rongguo Su, Shaofeng Pei, Guoshan Wang, Yinping Ma. The development of Ulva prolifera green tide and the roles of nitrogen nutrients in it in the southern Yellow Sea in 2018[J]. Haiyang Xuebao, 2020 , 42 (8) : 40 -49 . DOI: 10.3969/j.issn.0253-4193.2020.08.005
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doi: 10.3969/j.issn.0253-4193.2020.08.005
  • Receive Date：2020-03-31
  • Online Date：2026-03-26
  • Published：2020-08-25
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History
  • Received：2020-03-31
  • Revised：2020-06-02
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Affiliations
    1 College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
    2 School of Marine and Atmospheric Sciences, Stony Brook University, State University of New York, New York 11790, USA
    3 College of Life Sciences, Qingdao University, Qingdao 266071, China
    4 National Marine Hazard Mitigation Service, Ministry of Natural Resources, Beijing 100194, China
    5 Key Laboratory of Coastal Wetland Biogeosciences, China Geological Survey, Qingdao 266071, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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