Depredadores tope en la pesquería industrial de anchoveta entre los años 2015 y 2019

Sofía Rivadeneyra-Villafuerte; Gersson Román-Amancio

doi:10.53554/boletin.v37i1.360

Authors

Sofía Rivadeneyra-Villafuerte Instituto del Mar del Perú. Dirección General de Investigaciones en Recursos Pelágicos
Gersson Román-Amancio Instituto del Mar del Perú. Dirección General de Investigaciones en Recursos Pelágicos

DOI:

https://doi.org/10.53554/boletin.v37i1.360

Keywords:

Aves marinas, Mamíferos Marinos, El Niño, Depredadores, Pesca Industrial, Anchoveta, Engraulis ringens

Abstract

Interactions between top predators and fisheries pose a global problem that has an impact on different populations of ecologically important species. The IMARPE’s Fishing Logbooks Program provides important information on these interactions through direct observation of the fishing lances of industrial anchovy vessels. A total of 12,778 anchoveta fishing hauls were made between 2015 and 2019 with the presence of top predators. Seabirds were the most important group in terms of number of sightings, and the presence of species such as zarcillo Larosterna inca (26.69% of the total hauls), pelican Pelecanus thagus (24.44%), Peruvian booby Sula variegata (22.95%) and south American sea lion Otaria flavescens (36.69%). The distribution of seabirds and marine mammals along the Peruvian coast was associated with the continental shelf and the presence
of important colonies on the north-central coast. It is important to highlight that between the years 2015 and 2016 the fewest top predator sightings were recorded, which would be related to the El Niño event that occurred in those years.

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