Table 2.

Monthly diversity indices and biomass estimations at the Barkley Canyon hydrate site during 2013–2014, based on the counts reported by Doya et al. [50]. For a detailed calculation of biomass see Supplementary Materials Section “Crawler Faunal Time Series Analysis”.

Indicators	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Jan	Feb	Apr
Richness	17	17	16	13	13	16	17	17	13	14	14	14	14	13
Diversity (Shannon Index)	1.97	2.00	2.13	1.87	1.48	1.02	1.84	1.90	1.80	2.14	2.05	1.86	1.39	2.23
Diversity (Simpson Index)	0.79	0.84	0.85	0.81	0.61	0.4	0.74	0.71	0.72	0.84	0.84	0.76	0.59	0.87
Diversity (Fisher α)	3.96	3.27	3.29	2.45	2.20	2.57	3.22	3.86	2.55	2.72	2.78	2.98	2.36	2.61
Biomass (g/m2)	44	34	41	161	477	770	285	34	30	143	49	25	36	39