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Table 1 List of the copepod taxa collected in the Taperaçu estuary, Brazil, and their mean (±SD) and relative abundance, and frequency of occurrence during the rainy and dry seasons, and over the study period as a whole

From: Relationships between copepod community structure, rainfall regimes, and hydrological variables in a tropical mangrove estuary (Amazon coast, Brazil)

Taxa/periods Rainy season Dry season Annual FO
Ind m3 ± SD % Ind m3 ± SD % Ind m3 ± SD %
Unidentified copepods* 28.9 ± 87.8 0.4 16.5 ± 66.0 0.7 22.7 ± 77.4 0.4 58.3
Acartia (copepodite) 146.4 ± 537.7 1.8 0.3 ± 0.9 <0.1 73.3 ± 384.7 1.4 18.1
A. lilljeborgii Giesbrecht, 1889N, E 709.5 ± 1,286.3 8.7 750.8 ± 808.3 30.8 730.1 ± 1,066.9 13.8 87.5
A. tonsa Dana, 1849E,C,O 905.6 ± 2,400.9 11.1 119.3 ± 246.9 4.9 512.4 ± 1,740.2 9.7 94.4
Centropages velificatus (Oliveira, 1947)N,C 0.0 ± 0.0 0.0 1.1 ± 2.4 <0.1 0.5 ± 1.8 <0.1 15.3
Paracalanus (copepodite) <0.1 ± 0.2 <0.1 0.1 ± 0.8 <0.1 0.1 ± 0.6 <0.1 2.8
P. quasimodo Bowman, 1971C 86.8 ± 219.5 1.1 17.5 ± 64.1 0.7 52.2 ± 164.3 1.0 61.1
Parvocalanus crassirostris (Dahl F., 1894)E 2.8 ± 11.8 <0.1 0.1 ± 0.4 <0.1 1.4 ± 8.4 <0.1 8.3
Calanopia (copepodite) 0.0 ± 0.0 0.0 1.2 ± 7.4 0.1 0.6 ± 5.2 <0.1 1.4
C. americana Dahl F., 1894N,C <0.1 ± 0.1 <0.1 0.1 ± 0.4 <0.1 <0.1 ± 0.3 <0.1 4.2
Labidocera (copepodite) 1.1 ± 3.6 <0.1 0.0 ± 0.0 0.0 0.5 ± 2.6 <0.1 5.6
L. fluviatilis Dahl F., 1894N 6.9 ± 15.5 0.1 1.5 ± 4.3 0.1 4.2 ± 11.6 0.1 20.8
Pseudodiaptomus (copepodite) 195.8 ± 746.9 2.4 2.5 ± 14.7 0.1 99.1 ± 533.5 1.9 12.5
P. acutus (Dahl F., 1894)E 4.8 ± 13.5 0.1 6.9 ± 17.0 0.3 5.8 ± 15.3 0.1 23.6
P. marshi Wright S., 1936E 6,004.6 ± 22,231.6 73.8 1,418.7 ± 5,621.9 58.1 3,711.7 ± 16,265.1 70.2 84.7
P. richardi (Dahl F., 1894)E 5.9 ± 28.1 <0.1 0.8 ± 4.6 <0.1 3.3 ± 20.2 0.1 12.5
Pseudodiaptomus sp. <0.1 ± 0.1 <0.1 25.1 ± 90.6 0.9 10.7 ± 64.5 0.2 5.6
Subeucalanus (copepodite) 2.9 ± 8.2 <0.1 6.4 ± 11.2 0.3 4.6 ± 9.9 0.1 34.7
S. crassus (Giesbrecht, 1888)O 0.1 ± 0.8 <0.1 0.3 ± 0.9 <0.1 0.2 ± 0.8 <0.1 6.9
S. pileatus (Giesbrecht, 1888)O 11.7 ± 39.8 0.1 24.3 ± 31.0 1.0 18.0 ± 36.0 0.3 51.4
Subeucalanus sp. <0.1 ± 0.1 <0.1 0.0 ± 0.0 0.0 <0.1 ± 0.1 <0.1 1.4
Temora stylifera (Dana, 1849)C, O 0.0 ± 0.0 0.0 <0.1 ± 0.3 <0.1 <0.1 ± 0.2 <0.1 1.4
Oithona (copepodite) 0.0 ± 0.0 0.0 <0.1 ± 0.1 <0.1 <0.1 ± 0.1 <0.1 1.4
O. hebes Giesbrecht, 1891C,E 7.1 ± 22.9 0.1 12.6 ± 38.3 0.5 9.9 ± 31.5 0.2 38.9
O. oswaldocruzi Oliveira, 1945C,E 7.7 ± 23.9 0.1 20.8 ± 64.5 0.9 14.2 ± 48.7 0.3 45.8
Oithona sp. 0.1 ± 0.4 <0.1 0.1 ± 0.8 <0.1 0.1 ± 0.6 <0.1 2.8
Microsetella (copepodite) 0.0 ± 0.0 0.0 <0.1 ± 0.1 <0.1 <0.1 ± 0.1 <0.1 1.4
M. rosea (Dana, 1848)O 3.0 ± 17.7 <0.1 3.8 ± 16.3 0.2 3.4 ± 16.9 0.1 9.7
Euterpina (copepodite) 0.0 ± 0.0 0.0 <0.1 ± 0.2 <0.1 <0.1 ± 0.1 <0.1 1.4
E. acutifrons (Dana, 1847)C 0.5 ± 1.8 <0.1 7.5 ± 17.7 0.3 4.1 ± 13.1 0.1 25.0
Tisbe sp. 1.2 ± 5.9 <0.1 5.0 ± 16.4 0.2 3.1 ± 12.4 0.1 26.4
Harpacticoida 1.1 ± 3.7 <0.1 0.3 ± 1.5 <0.1 0.7 ± 2.8 <0.1 8.3
Oncaea sp. 0.5 ± 2.9 <0.1 0.2 ± 1.1 <0.1 0.4 ± 2.2 <0.1 5.6
Total 8,874.4 ± 37,886.7 100 2,661.9 ± 9,884.9 100 11,536.4 ± 47,186.5 100  
  1. * Adults, copepodites and nauplii of unidentified copepods, C coastal, E estuarine, N neritic, O oceanic (according to Björnberg 1981; Bradford-Grieve et al. 1999). FO relative frequency of occurrence in the 72 samples analyzed