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Table 3 Relative importance R I (%) of harpacticoid copepod species found in the sediment cores (8.80 cm²) per season and their seasonal contribution (%) to the harpacticoid assemblage indicated by SIMPER analysis (based on non-transformed abundance data)

From: Meiofauna as food source for small-sized demersal fish in the southern North Sea

Species May 09 Jul 09 Oct 09 Jan 10
R I (%) Contrib (%) R I (%) Contrib (%) R I (%) Contrib (%) R I (%) Contrib (%)
Ectinosomatidae
 H. canaliculatum 20.7 30.7 14.2 10.7 26.9 26.8 15.5 12.8
 P. minor 16.4 35.1 9.9 19.7 11.9 31.7 17.5 32.2
 Ectinosoma spp. 12.2 6.3 <0.1 <0.1 <0.1 <0.1 1.5 <0.1
Longipediidae
 L. coronata 14.9 2.1 34.5 15.3 12.6 1.1 1.9 <0.1
Ameiridae
 P. crassicornis 8.1 14.5 5.1 10.7 3.8 <0.1 7.8 13.4
 Psyllocamptus spp. <0.1 <0.1 0.8 <0.1 <0.1 <0.1 <0.1 <0.1
Idyanthidae
 T. reducta 7.4 8.0 6.4 15.8 2.1 5.6 10.3 20.4
 T. minuta <0.1 <0.1 <0.1 <0.1 2.1 <0.1 <0.1 <0.1
Miraciidae
 B. aemula 4.46 <0.1 4.2 <0.1 12.9 26.5 5.5 <0.1
 D. reflexa 1.09 <0.1
Cletodidae
 C. limicola 1.6 <0.1 0.5 <0.1 4.9 4.4
 C. tenuipes 0.4 <0.1 4.9 <0.1
 Stylicletodes spp. 0.9 <0.1
 E. propinquum 1.81 <0.1 5.3 10.3 4.4 2.1 8.4 7.4
 E. gariene 1.4 <0.1
 E. longifurcatum 3.1 1.1 9.8 6.2
Canuellidae
 Canuella spp. 3.28 <0.1
Tachidiidae
 Microarthridion spp. 0.75 <0.1
Rhizothricidae
 R. curvatum 4.0 <0.1
Siphonostomatoida 1.02 <0.1
Harpacticoids copepodites 8.3 14.8 2.5 <0.1 2.5 <0.1
Harpacticoids unident 6.2 2.1 9.3 3.7 12.4 5.9 9.5 3.2
  1. Important values are marked in bold