The Incredible HALK: Borrowing Data for Age Assignment
Paul N. Frater,
Zachary S. Feiner,
Gretchen J.A. Hansen
et al.
Abstract:Understanding age and growth are important for fisheries science and management; however, age data are not routinely collected for many populations. We propose and test a method of borrowing age–length data across increasingly broader spatiotemporal levels to create a hierarchical age–length key (HALK). We assessed this method by comparing growth and mortality metrics to those estimated from lake–year age–length keys ages using seven common freshwater fish species across the upper Midwestern United States. Lev… Show more
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