Read Section 9.2.3 in Ogle (2016) and Section 8.3.1.1 of Hayes et al. (2007)1 and answer the following questions.

  1. What are the five assumptions for the Petersen (and related) methods?
  2. What precautions do fisheries technicians take to attempt to have a “closed” populations?
  3. What are common behaviors of fish that lead to a violation of the assumption of equal catchability?

  1. The complete chapter is here. ↩