Research | Yi-Jay Chang

Jul 23, 2021

Spatiotemporal dynamics of Pacific saury in the Northwestern Pacific Ocean (geostatistical approach)

Pacific saury (Cololabis saira) is an important fisheries resource and an ecologically important fish in the Northwestern Pacific Ocean....

Oct 7, 2020

Otolith sampling design for the Pacific bluefin tuna growth curve

The age composition of the catch and the growth curve of a stock are fundamentally important in fish stock assessment, but these...

Oct 7, 2020

Model selection and multi-model inference for the Pacific billfish stock assessments

Stock assessment typically involves developing a set of alternative models, fitting each to the available data, and then selecting the...

Oct 7, 2020

Understanding the impacts of environmental variation on Pacific saury habitat

We developed habitat suitability index (HSI) models for two size classes of Pacific saury Cololabis saira in the Northwestern Pacific...

Nov 17, 2017

Status and risk of overexploitation of the Pacific billfish stocks under climate change

Fish population processes could exhibit non-stationary behaviour as a stochastic biological process with temporal autocorrelation that...

Quantitative Fisheries Lab