. 2021 Jul 28;11:15397. doi: 10.1038/s41598-021-94632-4

Table 1.

Red List Index values for Northeast Atlantic and Mediterranean Sea sharks and rays between 1980 and 2015.

Region	Scope	N	Year	RLI	Decline rate (% year⁻¹) 1980–2003/5	Average decline rate (% year⁻¹) 1980–2015	Lower bound	Upper bound
Region	Scope	N	Year	RLI	2003/5-2015	Average decline rate (% year⁻¹) 1980–2015	Lower bound	Upper bound
Northeast Atlantic	All species	119	1980	0.80	0.2	0.2	0.75	0.85
			2005	0.74	0.2		0.69	0.79
			2015	0.72	0.2		0.66	0.77
	Deep	62	1980	0.92	0.2	0.1	0.86	0.97
			2005	0.88	0.2		0.82	0.93
			2015	0.87	0.1		0.81	0.93
	Coast	46	1980	0.70	0.4	0.4	0.61	0.78
			2005	0.61	0.4		0.53	0.69
			2015	0.57	0.4		0.49	0.66
	Pelagic	12	1980	0.60	0.3	0.4	0.45	0.77
			2005	0.53	0.3		0.37	0.70
			2015	0.48	0.5		0.33	0.65
Mediterranean Sea	All species	72	1980	0.68	0.4	0.4	0.60	0.74
			2003	0.59	0.4		0.53	0.66
			2015	0.54	0.4		0.46	0.61
	Deep	14	1980	0.89	0.6	0.5	0.79	0.97
			2003	0.76	0.6		0.66	0.86
			2015	0.73	0.3		0.59	0.84
	Coast	49	1980	0.64	0.3	0.3	0.55	0.73
			2003	0.56	0.3		0.49	0.65
			2015	0.51	0.3		0.44	0.60
	Pelagic	10	1980	0.54	0.2	0.5	0.42	0.68
			2003	0.50	0.2		0.38	0.64
			2015	0.38	1		0.26	0.54

Decline rates are calculated as the annual average between each assessment period, then the overall average taken from both periods.