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Zoological Studies
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Table 2 Mean abundance, relative abundance, and occurrence ratio of each zooplankton taxon

From: Geospatial variability in the autumn community structure of epipelagic zooplankton in the upper layer of the northern South China Sea

Zooplankton taxa Mean ± SD (ind./m 3) RA (%) OR (%)
Dinophyta/Dinophyceae    
Noctiluca spp. 72.89 ± 139.95 23.79 85.71
Protozoa/Sarcomastigophora/Radiolaria    
Radiolaria 3.12 ± 4.94 1.02 57.14
Chromista/Harosa/Rhizaria/Foraminifera    
Foraminifera 21.28 ± 50.31 6.95 85.71
Animalia/Eumetazoa/Coelenterata    
Medusa 6.26 ± 9.28 2.04 100.0
Annelida/Polychaeta    
Polychaeta 2.01 ± 3.12 0.66 85.71
Chaetognatha/Sagittidea/Sagittidae    
Sagitta spp. 47.8 ± 53.62 15.60 100.0
Arthropoda/Crustacea/Branchiopoda    
Ostracoda 30.99 ± 71.88 10.11 100.0
Arthropoda/Crustacea/Copepoda    
Calanoida 81.23 ± 93.13 26.51 100.0
Cyclopoida 3.7 ± 8.92 1.21 28.57
Harpacticoida 0.71 ± 1.37 0.23 42.86
Poecilostomatoida 13.49 ± 7.58 4.40 100.0
Arthropoda/Crustacea/Malacostraca    
Amphipoda 1.25 ± 1.54 0.41 71.43
Lucifera larvae 4.78 ± 4.59 1.56 100.0
Euphausiacea 6.98 ± 12.91 2.28 100.0
Animalia/Mollusca    
Pteropoda 1.97 ± 3.26 0.64 71.43
Protochordata/Urochordata    
Appendicularia 1.22 ± 1.54 0.40 71.43
Protochordata/Urochordata/Thaliacea    
Thaliacea 4.83 ± 7.91 1.58 85.71
Eumetazoa/Deuterostomia/Chordata    
Fish larvae 1.87 ± 3.2 0.61 85.71
  1. Mean abundance (mean ± standard deviation, individuals per cubic meters (ind./m3)), relative abundance (RA), and occurrence ratio (OR) of each zooplankton taxon during the cruise ORIII-CR 563 on 27 September to 2 October 1999.
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