DNA metabarcoding reveals prey diversity overlap among tunas and seabirds of Eastern Tropical Atlantic: implications for an ecosystem-based management

ABSTRACT: Overfishing has been drastically changing food webs in marine ecosystems, and it is pivotal to quantify these changes at the ecosystem level. This is especially important for ecosystems with a high diversity of top predators such as the Eastern Atlantic marine region. In this work we used high-throughput sequencing methods to describe the diet of the two most abundant tuna species, the Skipjack tuna (Katsuwonus pelamis) and the Yellowfin tuna (Thunnus albacares), highly targeted by fisheries off west Africa. We also explored prey diversity overlap between these tuna species and the seabird species breeding in Cabo Verde that are most likely to share prey preferences and suffer from bycatch, the Brown booby (Sula leucogaster) and Cape Verde shearwater (Calonectris edwardsii). Overall, the d

ORGANISM(S): Thunnus albacares Sula leucogaster Katsuwonus pelamis Calonectris edwardsii

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PROVIDER: S-BSST918 | biostudies-other |

REPOSITORIES: biostudies-other