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Seasonal variation of community structure and diversity of ichthyoplankton in the Laizhou Bay
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Yanyan Yang1, Mingming Zhu1, Bingqing Xu1, Fan Li1, *, Yanjie Gao2, Chunxiao Sun1, Xiao Wei1, Bin Wang1
Haiyang Xuebao | 2021, 43(9) : 59 - 70
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Haiyang Xuebao | 2021, 43(9): 59-70
Article
Seasonal variation of community structure and diversity of ichthyoplankton in the Laizhou Bay
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Yanyan Yang1, Mingming Zhu1, Bingqing Xu1, Fan Li1, *, Yanjie Gao2, Chunxiao Sun1, Xiao Wei1, Bin Wang1
Affiliations
  • 1Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Reseach Institute, Yantai 264006, China
  • 2The Institute for Advanced Study of Coastal Ecology, Ludong University, Yantai 264025, China
Published: 2021-09-25 doi: 10.12284/hyxb2021052
Outline
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In order to understand the population dynamics of ichthyoplankton and the changing laws of biodiversity in the Laizhou Bay, four investigations (respectively in spring, summer, autumn and winter) of 20 positions in the Laizhou Bay from 2014 to 2015, the seasonal variations of species composition and community structure of ichthyoplankton in this area, involving its dominant species, community diversity and seasonal turnover rate were studied in this paper. The results showed that 135275 fish eggs and 2456 larvae were collected, total 22 species. Main species of ichthyoplankton changed significantly with the seasons, from Engraulis japonicus and Liza haematocheilus in spring, to Thryssa kammalensis and Allanetta bleekeri in summer, to Protosalanx hyalocranius in autumn, to Zoarces elongates in winter. The richness index (D) and diversity index (H′) were the highest in summer, and the evenness index (J′) was the highest in autumn. The species turnover rate from spring to summer was the lowest. Analysis of the results of clustering using R language with the highest likelihood suggest the existence of three assemblages of ichthyoplankton in the surveyed waters: spring group, summer and autumn group, winter group. The main divergent species of spring group and summer-autumn group, spring group and winter group were Engraulis japonicus. While the main divergent species of summer autumn group and winter group were Zoarces elongates and Thryssa kammalensis. This study shows that there are significant seasonal differences in the species composition, quantity distribution and biodiversity of ichthyoplankton in the Laizhou Bay. The research results supplement the basic data of fish early replenishment resources in the Laizhou Bay and provide basis for fishery resources conservation in the Laizhou Bay.

fish eggs  /  fish larvae  /  seasonal change  /  biodiversity  /  community structure  /  R language
Yanyan Yang, Mingming Zhu, Bingqing Xu, Fan Li, Yanjie Gao, Chunxiao Sun, Xiao Wei, Bin Wang. Seasonal variation of community structure and diversity of ichthyoplankton in the Laizhou Bay[J]. Haiyang Xuebao, 2021 , 43 (9) : 59 -70 . DOI: 10.12284/hyxb2021052
Year 2021 volume 43 Issue 9
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Article Info
doi: 10.12284/hyxb2021052
  • Receive Date:2020-11-30
  • Online Date:2026-02-26
  • Published:2021-09-25
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History
  • Received:2020-11-30
  • Revised:2020-12-16
Funding
Affiliations
    1Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Reseach Institute, Yantai 264006, China
    2The Institute for Advanced Study of Coastal Ecology, Ludong University, Yantai 264025, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

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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