Graph

Laughing Gull
(Leucophaeus atricilla)

Listing of the threshold values that appear on the graph
Population below lowest acceptable level		Goal
23.963		46.039

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	24.1	15.8	42.3
1971	24.3	15.7	41.4
1972	26.1	17.7	42.9
1973	24.5	16.4	40.3
1974	24.6	16.8	39.2
1975	24.8	16.9	38.6
1976	25	17.2	38.8
1977	25.7	17.7	38.8
1978	27	19.2	41
1979	26.1	18.7	38.5
1980	26.3	19.1	38.8
1981	29.2	20.7	49.2
1982	26.3	19.2	38
1983	25.9	18.8	37
1984	27.4	20.3	38.9
1985	27.7	20.2	39.3
1986	29.1	21.8	41.6
1987	30.1	22.3	42.3
1988	31.1	23.3	43.8
1989	31.2	23.6	44.8
1990	31.5	23.6	46.3
1991	30.8	23.5	43.2
1992	32.1	24.5	45.9
1993	31.3	22.9	44.8
1994	31.4	23.9	44.1
1995	34.9	26.8	49.7
1996	32.6	24.7	46.2
1997	50.1	33.9	94
1998	34.1	25.9	47.2
1999	36.3	27.6	52.4
2000	40.7	30.2	60.7
2001	35.3	25.8	51
2002	41.9	31.3	63.4
2003	43.3	32.1	65
2004	40.9	30.6	60
2005	45.7	33.3	72.1
2006	42.6	30.9	62.8
2007	41.4	30.5	61.5
2008	43.5	31.2	68.3
2009	48	34.8	73.1
2010	45.5	32.7	70.5
2011	45.3	31.6	71.2
2012	48.2	33.6	76.3
2013	46.8	32.6	73.6
2014	50.3	34.1	80.9
2015	56.7	35.3	221
2016	51.4	34.2	93

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