Answer:
the reasons for and objectives of sampling.
the relationship between accuracy and precision.
the reliability of estimates with varying sample size.
the determination of safe sample sizes for surveys.
the variability of data.
the nature of stratification and its impact on survey cost.
the risks posed by biased estimates.
the differences between “boat” and “gear” statistical approaches.
Explanation:
Census-based techniques are generally impractical in small-scale fisheries due to the large number of fishing operations that would have to be monitored over a reference period. The following example outlines the logistics problems and costs involved in census-based surveys.
