Seasonal and spatial variations of macrobenthic community in intertidal Sargassum field off Naozhou Island, South China Sea[J]. 海洋湖沼学报(英文), 2021,39(2):637-651.
Caixue ZHANG, Weinan ZHOU, Xingli SUN, et al. Seasonal and spatial variations of macrobenthic community in intertidal Sargassum field off Naozhou Island, South China Sea[J]. Journal of Oceanology and Limnology, 2021, 39(2): 637-651.
Seasonal and spatial variations of macrobenthic community in intertidal Sargassum field off Naozhou Island, South China Sea[J]. 海洋湖沼学报(英文), 2021,39(2):637-651. DOI: 10.1007/s00343-020-8310-y.
Caixue ZHANG, Weinan ZHOU, Xingli SUN, et al. Seasonal and spatial variations of macrobenthic community in intertidal Sargassum field off Naozhou Island, South China Sea[J]. Journal of Oceanology and Limnology, 2021, 39(2): 637-651. DOI: 10.1007/s00343-020-8310-y.
Seasonal and spatial variations of macrobenthic community in intertidal Sargassum field off Naozhou Island, South China Sea
摘要
Abstract
Seasonal and spatial variations in the macrobenthic community in an intertidal gulfweed field off Naozhou Island were investigated from April 2011 to January 2012. We identified 407 macrobenthic organism species: 64 macroalgae (15.72% of total species); 123 Arthropoda (30.22%); 107 Mollusca (26.29%); 67 Annelida (16.46%); 15 Cnidaria (3.69%); 14 Echinodermata (3.44%); 8 Porifera (1.97%); 4 Chordata (0.98%); 2 Urochorda (0.49%); and 1 each of Echiura
Sipunculida and Angiospermae (0.25%). Arthropods
mollusks
annelids
and macroalgae were four main groups in the benthic organism community and accounted for 88.70% of the total species. In terms of abundance of biomass
there were 15 dominant species
including 8 macroalgal
5 mollusk and 2 arthropod species. The species diversity indices ranged from 1.21 to 4.42 with an average of 2.80; the annual average of evenness was 0.47. Species richness indices varied from 2.97 to 7.24 (average 4.97); and Simpson dominance indices varied from 0.20 to 0.92 in annual average of 0.75. Macroalgal distribution showed clear vertical zonation and seasonal changes. The number of macroalgal species found in the high tide zone
upper middle tide zone
middle tide zone
lower middle tide zone
low tide zone
and below low tide zone were 1
8
10
16
22
and 32
respectively. Biomass among the benthic organisms
macroalgae and crustaceans had significant positive correlation (
P
<
0.05) with the coefficients of 0.802
0.894
and 0.592
respectively. Macroalgal biomass showed a clearly negative correlation with the concentration of dissolved inorganic nitrogen (DIN) (
R
=0.486
P
<
0.05). During the winter and spring
when macroalgae were growing vigorously
DIN reached the lowest level in seawater and displayed a clear weak correlation between macroalgal growth and the nutrient concentration.
关键词
Keywords
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相关作者
Tingting SUN
Lijing YE
Lei WANG
Saijun PENG
Wenjing ZHANG
Jianmin ZHAO
Zhijun DONG
Xudong LIU
相关机构
University of Chinese Academy of Sciences
Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center
Muping Coastal Environment Research Station, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences
Taiyuan Botanical Garden
Xinghuacun College of Shanxi University (Shanxi Institute of Brewing Technology and Industry)