Table 3

Table 3. Regression analyses of long-term and short-term trends in salmon populations and the six major pathways for exact-matched habitat matrix index scores, reported separately for adults (N = 27), subadults/jacks (N = 14), and juveniles (N = 14). Scores for Flow/hydrology were too rare in the consultations reviewed to analyze as a separate pathway and are not included in this table (β = regression coefficient, N = number of trends, r² = coefficient of determination, and P = regression significance level).


		Long-term trends			Short-term trends
Life stage	Pathway	β	r²	P	β	r²	P

Adult	Water quality	0.3	0.0001	0.9	11.6	0.05	0.3

	Habitat access	-2.2	0.02	0.5	-0.2	0.0003	0.9

	Habitat elements	-9.8	0.13	0.06	-3.5	0.004	0.7

	Channel condition and dynamics	2.2	0.01	0.7	-1.6	0.001	0.9

	Watershed conditions	0.6	0.0003	0.7	8.9	0.02	0.5

Subadult/jack	Water quality	2.0	0.03	0.5	0.5	0.0008	0.9

	Habitat access	3.2	0.21	0.1	-1.5	0.002	0.9

	Habitat elements	-5.5	0.07	0.4	30.1	0.09	0.3

	Channel condition and dynamics	2.0	0.04	0.5	18.5	0.12	0.2

	Watershed conditions	1.7	0.006	0.8	8.9	0.006	0.8

Juvenile	Water quality	...	...	...	7.0	0.19	0.09

	Habitat access	...	...	...	4.6	0.13	0.1

	Habitat elements	...	...	...	4.0	0.07	0.3

	Channel condition and dynamics	...	...	...	7.0	0.09	0.3

	Watershed conditions	...	...	...	7.4	0.31	0.04