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Supplemental Information

Raw data of fork length(cm), weight(g), and locations over all cruises in this study

Sheet 1 is the raw data of fork length, weight in different cruies, sheet 2 is the location information of different sampling staitons, sheet 3 is the dataset of length-weight relationships of skipjack tuna from the FishBase, and sheet 4 is the explanations for all the symbols in the sheets.

DOI: 10.7287/peerj.preprints.610v1/supp-1

Additional Information

Competing Interests

The authors declare they have no competing interests.

Author Contributions

Shaofei Jin conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Xiaodong Yan analyzed the data, reviewed drafts of the paper.

Heng Zhang conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, reviewed drafts of the paper.

Wei Fan conceived and designed the experiments, analyzed the data, reviewed drafts of the paper.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

The study was carried out on commercial fishery vessels, governed and monitored by the WCPFC (Western and Central Pacific Fisheries Commission). All information related to skipjack tunas were reported to the WCPFC.

Funding

This study was funded by Natural Science Foundation of China (Grant No. 51339004), Shanghai Science and technology innovation action plan (Grant No. 12231203901), and National science and technology support program (Grant No. 2013BAD13B01). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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