Homing of Sockeye Salmon within Hidden Lake, Alaska, Can Be Used to Achieve Hatchery Management Goals

Figures & data

FIGURE 1 Bathymetric map of Hidden Lake, Alaska, showing Sockeye Salmon spawning areas, broodstock collection sites, and fry release sites. Depth is shown in meters.

TABLE 1 Number of hatchery-origin (otolith-marked) and natural-origin Sockeye Salmon at the outlet weir and at Site A and Site B (Figure 1), where hatchery fish are not stocked and are stocked, respectively, in Hidden Lake, Alaska, by year. Percent of hatchery fish and total sample sizes (N) are provided.

Year	Site	Hatchery	Natural	Percent hatchery	N
2008	Weir	51	75	40.5	126
	Site A	123	109	53.0	232
	Site B	197	37	84.2	234
2009	Weir	268	134	67.0	402
	Site A	124	126	49.4	250
	Site B	213	31	87.3	244
2010	Weir	314	250	55.7	564
	Site A	133	108	55.2	241
	Site B	228	16	93.4	244
All years	Weir	633	459	58.0	1,092
	Site A	380	343	52.6	723
	Site B	638	84	88.4	722