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 |