Graph

American Bittern
(Botaurus lentiginosus)

Listing of the threshold values that appear on the graph
Population below lowest acceptable level		Goal
0.625		1.003

Listing of the individual data points that make up the graph
Year	Annual Index	Lower limit	Upper limit
1970	0.921	0.659	1.59
1971	1.08	0.797	1.74
1972	0.912	0.678	1.37
1973	0.922	0.696	1.28
1974	1.33	0.956	2.19
1975	1.25	0.912	1.95
1976	1.09	0.776	1.7
1977	0.78	0.588	1.13
1978	0.745	0.573	1.04
1979	1.12	0.834	1.71
1980	0.687	0.532	0.965
1981	0.702	0.545	0.943
1982	0.622	0.491	0.831
1983	0.808	0.619	1.12
1984	0.947	0.7	1.4
1985	0.779	0.601	1.08
1986	0.764	0.592	1.04
1987	0.777	0.593	1.14
1988	0.662	0.514	0.912
1989	0.539	0.446	0.679
1990	0.745	0.598	0.981
1991	0.687	0.556	0.897
1992	0.677	0.554	0.845
1993	0.573	0.476	0.714
1994	0.689	0.568	0.87
1995	0.683	0.561	0.85
1996	0.639	0.527	0.798
1997	0.74	0.601	0.947
1998	0.659	0.545	0.832
1999	0.753	0.61	0.941
2000	0.725	0.596	0.895
2001	0.667	0.55	0.825
2002	0.547	0.449	0.687
2003	0.611	0.505	0.774
2004	0.69	0.551	0.913
2005	0.883	0.706	1.22
2006	0.72	0.585	0.914
2007	0.798	0.62	1.12
2008	0.835	0.658	1.08
2009	0.645	0.521	0.84
2010	0.73	0.594	0.958
2011	0.948	0.743	1.25
2012	0.829	0.642	1.13
2013	0.882	0.673	1.19
2014	0.898	0.686	1.23
2015	0.805	0.624	1.09
2016	0.741	0.576	1.01

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