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. 2022 Jan 25;10:e12823. doi: 10.7717/peerj.12823

Table 2. Integrated abundances (ind m−2) of the most important zooplankton groups over the entire water column sampled on four dates throughout a year.

SPRING SUMMER AUTUMN WINTER
Day Night Day Night Day Night Day Night
Cyclopoida 47,894 28,198 5,974 6,501 2,227 4,342 3,209 3,477
Mean 38,046 6,237 3,284 3,343
Harpacticoida 48,632 47,978 9,664 12,421 9,929 7,486 6,514 4,345
Mean 48,305 11,042 8,707 5,429
Copepoda (nauplii) 20,600 18,129 1,481 2,583 431 2,094 2,463 1,616
Mean 19,365 2,032 1,263 2,039
Metridinidae 27,772 9,287 25,691 8,105 12,696 18,262 4,438 1,684
Mean 18,529 16,897 15,479 3,061
Calanidae 11,288 7,447 5,898 2,827 3,622 3,087 1,977 889
Mean 9,367 4,363 3,354 1,433
Euchaetidae 1,840 4,259 1,731 1,110 790 873 1,060 733
Mean 3,045 1,420 831 896
Cnidaria 4,895 2,546 1,520 3,713 702 2,432 4,636 2,848
Mean 3,721 2,616 1,567 3,742
Chaetognatha 3,108 1,216 2,528 1,187 884 1,390 1,000 598
Mean 2,162 1,858 1,117 799
Mysida 239 171 62 164 151 411 239 166
Mean 205 113 280 202