Distribution of planktonic cnidarian assemblages in the southern Gulf of Mexico, during autumn

Table 2 SIMPER analysis of the species of planktonic cnidarians found in this study

Group/taxon	Av. abund	δ	δ/SD	Contrib%	Cum.%
Group A
Only one sampling station (st. 14)
Group B
Average similarity, 70.95
Muggiaea kochi	8.29	18.3	1.56	45.69	45.69
Liriope tetraphylla	23.48	9.54	1.08	23.82	69.51
Nanomia bijuga	15.8	4.41	0.48	11.03	80.53
Diphyes dispar	3.67	2.33	0.42	5.83	86.36
Cunina octonaria	1.97	2.02	0.50	5.05	91.41
Group C
Average similarity, 83.56
Diphyes dispar	14.37	24.66	9.3	38.16	38.16
Aglaura hemistoma	7.99	18.06	8.84	27.94	66.1
Chelophyes appendiculata	2.69	4	0.65	6.19	72.29
Bassia bassensis	1.31	3.73	0.66	5.77	78.06
Diphyes bojani	2.41	3.36	0.68	5.2	83.25
Abylopsis spp.	1.22	3.34	0.68	5.17	88.43
Liriope tetraphylla	1.2	3.01	0.58	4.65	93.08
Group D
Average similarity, 64.64
Diphyes dispar	15.89	15.47	3.48	27.31	27.31
Diphyes bojani	6.80	8.95	2.39	15.80	43.11
Chelophyes appendiculata	3.14	8.24	2.52	14.54	57.65
Abylopsis spp.	1.91	4.63	1.39	8.17	65.82
Eudoxoides mitra	2.05	4.24	1.22	7.48	73.30
Agalma okeni	3.83	3.21	0.62	5.67	78.96
Liriope tetraphylla	1.17	2.85	1.58	5.02	83.99
Bassia bassensis	0.90	1.43	0.83	2.52	86.50
Aglaura hemistoma	1.60	1.34	0.65	2.36	88.86
Rhopalonema velatum	0.50	1.24	0.76	2.19	91.05

Av. abund = average abundance, δ = average similarity between stations in each group, SD = standard deviation of δ, Contrib% = percentage contribution of each species to δ, Cum.% = cumulative percentage of contribution to δ, contributors up to a cumulative 90% for each group are shown.

ISSN: 0717-6317