Graph

Herring Gull
(Larus argentatus)

Listing of the threshold values that appear on the graph
Population below lowest acceptable level		Goal
1.95		2.6

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	14.8	9.6	40.9
1971	11.9	8.17	19.4
1972	12.3	8.39	24.4
1973	11	7.54	18.9
1974	10.1	7.1	15.8
1975	9.38	6.7	14.5
1976	9.35	6.52	16
1977	8.8	6.23	15.1
1978	9.08	6.41	15.9
1979	8.96	6.4	17.2
1980	8.08	5.85	12.3
1981	8.1	5.71	16.6
1982	7.85	5.67	14.5
1983	11.5	6.32	185
1984	7.15	5.18	12.4
1985	6.63	4.82	11.8
1986	6.23	4.53	11.7
1987	5.93	4.34	11.3
1988	6.07	4.37	13.8
1989	5.55	4.08	10.4
1990	6.48	4.43	30
1991	5.6	4.11	9.53
1992	5.67	4.11	10.9
1993	5.06	3.64	11.6
1994	4.74	3.5	9.1
1995	4.48	3.27	9.41
1996	4.61	3.31	12.1
1997	4.31	3.07	10.8
1998	4.22	2.98	11.6
1999	3.81	2.73	8.89
2000	3.58	2.6	7.19
2001	3.9	2.7	11.7
2002	3.47	2.47	8.01
2003	3.34	2.29	10.9
2004	3.32	2.28	11.1
2005	3.23	2.21	10.6
2006	3.16	2.19	7.92
2007	3.54	2.31	13.9
2008	2.77	1.98	6.12
2009	3.09	2.02	10.7
2010	2.54	1.78	5.46
2011	2.38	1.7	4.72
2012	2.56	1.71	6.55
2013	2.19	1.55	4.38
2014	2.25	1.52	5.2
2015	2.35	1.59	5.71
2016	2.33	1.46	7.13

Notes on numeric data: Ex represents 10 to the power of x; For example 1.2345E-2 is equivalent to 0.012345