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On The Compatibility Of Results From Adapt-Vpa And Transition-Phased-Based Trends In Age-At-Maturity For The I-Stock Of Antarctic Minke Whales

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A counter example is provided to show that inferences of incompatibility between population trends from ADAPT-VPA and independently estimated changes in the age-at-sexual-maturity of Antarctic minke whales over the late 1940s to late 1960s are not robust to plausible variants of the ADAPT-VPA assessment (specifically in this case admitting the possibility of a small negative slope in selectivity at larger ages). Final conclusions on this matter should await fuller investigations on the ability to the ADAPT-VPA estimator to reliably estimate the shape of the time-trend in carrying capacity over this period, upon which inferences of compatibility or otherwise are critically dependent.

Level
Postgraduate
Subject
Education
Type
Working Paper
Institution
University of Cape Town
Language
English
Year
2007
Pages
5 pages
File size
94.96 KB
Format
PDF
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