Demersal Assemblages on the Soft Bottoms off the Catalan-Levante Coast of the Spanish Mediterranean

Table 4

Species contributing most to dissimilarity between the six groups resulting from the cluster analysis. ABU: mean abundance in the cluster group (n/km²); % Cum: cumulative percentage of species contribution. Data from MEDITS surveys series 2007–2010.

Group	1	2		Group	2	3
Species	ABU	ABU	% Cum	Species	ABU	ABU	% Cum
Sardina pilchardus	592.19	7538.3	5.02	Capros aper	310.28	6602.24	5.93
Engraulis encrasicolus	56.65	7485.65	9.43	Micromessistius poutassou	21.23	36083.68	11.68
Trachurus trachurus	2688.24	3332.84	13.47	Sardina pilchardus	7538.3	31.91	17.12
Spicara flexuosa	3626.31	267.45	17.38	Trachurus trachurus	3332.84	8477.77	22.53
Alloteuthis media	378.79	2176.04	20.74	Engraulis encrasicolus	7485.65	338.86	27.34
Boops boops	3348.89	862.9	23.72	Merluccius merluccius	2275.56	4300.94	30.99
Merluccius merluccius	994.31	2275.56	26.49	Trisopterus minutus	1201.81	2046.07	34.47
Trachurus mediterraneus	1784.88	1037.77	29.26	Alloteuthis media	2176.04	1264.22	37.72
Trisopterus minutus	2041.41	1201.81	31.93	Aphia minuta	2989.04	3.46	39.97
Mullus barbatus	1557.57	586.49	34.45	Trachurus mediterraneus	1037.77	16.83	42.2
Aphia minuta	255.74	2989.04	36.78	Boops boops	862.9	120.17	44.35
Pagellus erythrinus	1371.72	318	38.84	Mullus barbatus	586.49	371.4	46.07
Spicara smaris	3573.98	81.39	40.8	Illex coindetii	504.08	334.25	47.77
Group	3	4		Group	4	5
Species	ABU	ABU	% Cum	Species	ABU	ABU	% Cum
Micromessistius poutassou	36083.68	8774.87	7.56	Gadiculus argenteus	10603.1	1.14	8.35
Gadiculus argenteus	518.86	10603.1	14.13	Micromessistius poutassou	8774.87	66.2	14.73
Trachurus trachurus	8477.77	542.87	19.72	Plesionika heterocarpus	3418.14	0.84	19.44
Capros aper	6602.24	831.78	24.43	Lampanictus crocodrilus	184.39	1196.54	22.6
Merluccius merluccius	4300.94	309.44	28.74	Pasiphaea sivado	2501.06	51.16	25.41
Plesionika heterocarpus	1207.52	3418.14	32.67	Scyliorhinus canicula	1000.87	56.73	28.03
Trisopterus minutus	2046.07	154.97	35.62	Aristeus antennatus	0	560.6	30.23
Alloteuthis media	1264.22	10.8	38.05	Plesionika martia	130.91	626.62	32.4
Phycis blennoides	39.08	1312.92	40.27	Nephrops norvegicus	528.09	391.85	34.43
Pasiphaea sivado	0.75	2501.06	42.44	Galeus melastomus	372.5	446.57	36.45
Scyliorhinus canicula	550.15	1000.87	44.47	Capros aper	831.78	8.86	38.42
Glossanodon leioglossus	895.09	2614.9	46.13	Phycis blennoides	1312.92	251.77	40.38
Helicolenus dactylopterus	221.1	636.33	47.7	Plesionika giglioli	401.14	388.66	42.33