Using confidence intervals to estimate the response of salmon populations (Oncorhynchus spp.) to experimental habitat alterations

摘要: There is considerable uncertainty about the effectiveness of fish habitat restoration programs, and reliable monitoring programs are needed to evaluate them. Statistical power analysis based on traditional hypothesis tests usually used for program design, but here we argue that effect size estimates their associated confidence intervals more informative because results can be compared with both null no sizes interest, such as goals. We a stochastic simulation model compare alternative strategies alteration would change productivity capacity coho salmon (Oncorhynchus kisutch) producing stream. Estimates using freshwater stock–recruit were precise than those from abundance either spawners or smolts. Less ideal produce ambiguous results, which cases in interval includes null...