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Temporal and spatial variations of benthic diatom communities at three estuaries in the Bohai Sea
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Shanshan Wang1, 2, Dongyan Liu3, 4, *, Yujue Wang3, Zineng Yuan5
Haiyang Xuebao | 2020, 42(8) : 101 - 114
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Haiyang Xuebao | 2020, 42(8): 101-114
• Marine Biology •
Temporal and spatial variations of benthic diatom communities at three estuaries in the Bohai Sea
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Shanshan Wang1, 2, Dongyan Liu3, 4, *, Yujue Wang3, Zineng Yuan5
Affiliations
  • 1 Key Laboratory of Coastal Environmental Processes and Ecological Remediation of Chinese Academy ofSciences, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
  • 3 State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
  • 4 Institude of Eco-Chongming, East China Normal University, Shanghai 200241, China
  • 5 Center for Deep Sea Interdisciplinary Research, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266200
Published: 2020-08-25 doi: 10.3969/j.issn.0253-4193.2020.08.009
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Benthic diatoms are important primary producers in estuarine mudflat system, and the spatial and temporal changes in the communities can significantly impact the productivity of benthic fauna in the estuary. In this study, the ecological parameters in the estuaries of Daliao River, Hangu River and Huanghe River along the Bohai Sea coastline were surveyed and the related environmental factors were discussed, aiming to understand the seasonal variations and spatial differences of benthic diatom communities. The results showed that the species diversity index and absolute abundance of benthic diatoms were the highest in autumn, and the dominant species displayed obviously seasonal succession. The diatom absolute abundance in the estuaries of Daliao River and Hangu River were significantly higher than that of Huanghe River Estuary. The coarser sediments and significant phosphorus limitation in the Huanghe River Estuary are main reasons for the low diatom abundance. The correlation analysis between the benthic diatom communities and environmental factors indicated that the changes of temperature and nutrient concentration have significant effects on the seasonal pattern of the benthic diatom communities, while the sediment size, tidal range and runoff of the three estuaries are more important to explain spatial differences.

estuary  /  mudflat  /  benthic diatom  /  sediment  /  nitrogen pollution
Shanshan Wang, Dongyan Liu, Yujue Wang, Zineng Yuan. Temporal and spatial variations of benthic diatom communities at three estuaries in the Bohai Sea[J]. Haiyang Xuebao, 2020 , 42 (8) : 101 -114 . DOI: 10.3969/j.issn.0253-4193.2020.08.009
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doi: 10.3969/j.issn.0253-4193.2020.08.009
  • Receive Date：2019-08-10
  • Online Date：2026-03-26
  • Published：2020-08-25
Article Data
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History
  • Received：2019-08-10
  • Revised：2019-10-28
Funding
Affiliations
    1 Key Laboratory of Coastal Environmental Processes and Ecological Remediation of Chinese Academy ofSciences, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
    2 University of Chinese Academy of Sciences, Beijing 100049, China
    3 State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
    4 Institude of Eco-Chongming, East China Normal University, Shanghai 200241, China
    5 Center for Deep Sea Interdisciplinary Research, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266200
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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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