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

Tseng, Li-Chun; Dahms, Hans-Uwe; Chen, Qing-Chao; Hwang, Jiang-Shiou

doi:10.1186/1810-522X-52-2

Zoological Studies

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

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.

Back to article page