Skip to main content

Advertisement

Table 3 Mean abundance, relative abundance, and occurrence ratio of each copepod species

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

Species name Mean ± SD (ind./m 3) RA (%) OR (%)
Calanoida    
Acartiidae    
Acartia (Acartia) negligens Dana, 1849 8.87 ± 5.82 8.95 100.0
Canthocalanus pauper (Giesbrecht, 1888) 1.61 ± 1.66 1.62 71.43
Cosmocalanus darwini (Lubbock, 1860) 3.63 ± 6.41 3.66 85.71
Undinula vulgaris (Dana, 1849) 1.16 ± 1.85 1.17 42.86
Nannocalanus minor (Claus, 1863) 9.98 ± 23.46 10.07 57.14
Neocalanus gracilis (Dana, 1849) 1.07 ± 1.62 1.08 57.14
Calocalanidae    
Calocalanus spp. 1.01 ± 1.57 1.02 42.86
Candaciidae    
Paracandacia truncata (Dana, 1849) 1.39 ± 1.81 1.40 57.14
Centropagidae    
Centropages calaninus (Dana, 1849) 0.42 ± 0.82 0.42 28.57
Clausocalanidae    
Clausocalanus arcuicornis (Dana, 1849) 8.87 ± 7.46 8.95 85.71
Clausocalanus furcatus (Brady, 1883) 2.28 ± 3.74 2.30 57.14
Clausocalanus mastigophorus (Claus, 1863) 5.25 ± 5.11 5.30 71.43
Eucalanidae    
Pareucalanus attenuatus (Dana, 1849) 0.4 ± 0.78 0.40 28.57
Subeucalanus subcrassus (Giesbrecht, 1888) 0.96 ± 1.66 0.97 42.86
Subeucalanus subtenuis (Giesbrecht, 1888) 2.97 ± 2.75 3.00 71.43
Euchaetidae    
Euchaeta indica Wolfenden, 1905 0.07 ± 0.19 0.07 14.29
Lucicutiidae    
Lucicutia flavicornis (Claus, 1863) 9.23 ± 21.85 9.31 42.86
Metridinidae    
Pleuromamma gracilis (Claus, 1863) 18.38 ± 41.74 18.54 57.14
Paracalanidae    
Acrocalanus gracilis Giesbrecht, 1888 0.24 ± 0.46 0.24 28.57
Paracalanus spp. 0.88 ± 1.51 0.89 28.57
Temoridae    
Temora discaudata (Giesbrecht, 1889) 2.48 ± 4.9 2.50 71.43
Temora turbinata (Dana, 1849) 0.07 ± 0.19 0.07 14.29
Cyclopoida    
Oithonidae    
Oithona spp. 3.7 ± 8.92 3.73 28.57
Harpacticoida    
Ectinosomatidae    
Microsetella norvegica (Boeck, 1846) 0.53 ± 1.41 0.53 14.29
Miraciidae    
Macrosetella gracilis (Dana, 1847) 0.18 ± 0.31 0.18 28.57
Poecilostomatoida    
Corycaeidae    
Corycaeus spp. 0.11 ± 0.28 0.11 14.29
Corycaeus (Farranula) concinna (Dana, 1847) 0.11 ± 0.28 0.11 14.29
Corycaeus (Farranula) gibbula Giesbrecht, 1891 8.07 ± 6.12 8.14 100.0
Corycaeus (Onychocorycaeus) agilis Dana, 1849 0.2 ± 0.34 0.20 28.57
Oncaeidae    
Oncaea mediterranea Claus, 1861 1.49 ± 2.59 1.50 42.86
Oncaea spp. 0.11 ± 0.28 0.11 14.29
Oncaea venusta Philippi, 1843 3.42 ± 4.54 3.45 85.71
  1. Mean abundance (mean ± standard deviation, individuals per cubic meters (ind./m3)), relative abundance (RA), and occurrence ratio (OR) of each copepod species during the cruise ORIII-CR 563 on 27 September to 2 October 1999.