Integration of genomic and ecologic methods inform management of an undescribed, yet highly exploited, sardine species

Assessing genetic diversity within species is key for conservation strategies in the context of human-induced biotic changes. This is important in marine systems where many species remain undescribed while being overfished, and conflicts between resource-users and conservation agencies are common. Combining niche modelling with population genomics can contribute to resolving those conflicts by identifying management units and understanding how past climatic cycles resulted in current patterns of genetic diversity. We addressed these issues on an undescribed but already overexploited species of sardine of the genus Harengula. We find that the species distribution is determined by salinity and depth, with a continuous distribution along the Brazilian mainland and two disconnected oceanic archipelagos. Genomic data indicates that such biogeographic barriers are associated with two divergent intraspecific lineages. Changes in habitat availability during the last glacial cycle led to differe..., , , This README file was generated by Jessica FR Coelho on 07-Feb-2024.

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## GENERAL INFORMATION

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1\. Title of Dataset: Integration of genomic and ecologic methods inform management of an undescribed, yet highly exploited, sardine species

DOI: 10.5061/dryad.np5hqbzzg

2\. Author information:

Coelho, Jéssica Fernanda Ramos, Universidade Federal do Rio Grande do Norte, [e-mail]

Mendes, Liana, Universidade Federal do Rio Grande do Norte

Di Dario, Fabio, Universidade Federal do Rio de Janeiro

Carvalho, Pedro Hollanda, Universidade Federal do Rio de Janeiro

Dias, Ricardo, Universidade Federal do Rio de Janeiro

Lima, Sergio, Universidade Federal do Rio Grande do Norte

Verba, Julia, Ludwig Maximilian University of Munich

Pereira, Ricardo, Staatliches Museum für Naturkunde Stuttgart

3\. Short summary of the study: In this study, we used niche modeling and population genomics to investigate how historical climate changes led...