TABLE 5.

Genetic estimates of the annual number of breeders (LD-) based on the linkage disequilibrium method, for samples with harmonic mean sample size () as inferred with the program LDNe (Waples and Do 2008)

River	Yr	N		LD-	95% C.I.
Middle Brook	1977	—	12	∞	(54–∞)	—
	1978	1403	24	∞	(203–∞)	—
	1979	1350	24	289	(104–∞)	0.21
	1985	904	13	437	(58–∞)	0.48
	1986	1036	11	792	(49–∞)	0.76
	1991	562	25	200	(94–∞)	0.36
	1992	1182	26	457	(144–∞)	0.39
	1993	1959	15	∞	(109–∞)	—
	1997	1221	22	∞	(236–∞)	—
	1998	2405	48	190	(131–329)	0.08
	1999	1802	25	410	(128–∞)	0.23
Northeast Brook	1980	—	16	65	(28–∞)	—
	1981	—	19	190	(48–∞)	—
	1985	124	11	35	(15–∞)	0.28
	1986	158	20	13	(10–17)	0.08
	1987	91	28	208	(76–∞)	2.28
	1991	99	14	43	(19–∞)	0.43
	1992	49	14	∞	(49–∞)	—
	1993	79	17	773	(53–∞)	9.78
	1994	99	13	939	(36–∞)	9.49
	1998	91	41	196	(100–1494)	2.15
	1999	95	31	435	(118–∞)	4.58

ratios are based on the size of annual anadromous runs (N).