Diet composition and trophic ecology of Northeast Pacific Ocean sharks

JJ Bizzarro, AB Carlisle, WD Smith, E Cortés - Advances in marine biology, 2017 - Elsevier
Although there is a general perception of sharks as large pelagic, apex predators, most
sharks are smaller, meso-and upper-trophic level predators that are associated with the …

Ecological importance of sharks and rays in a structural foodweb analysis in southern Brazil

H Bornatowski, AF Navia, RR Braga… - ICES Journal of …, 2014 - academic.oup.com
Understanding the trophic interactions and the position of species within a foodweb is
crucial if we want to understand the dynamics of marine communities and the impact …

How many trophic roles can elasmobranchs play in a marine tropical network?

AF Navia, PA Mejía-Falla, J López-García… - Marine and …, 2017 - CSIRO Publishing
The aims of the present study were to identify the trophic roles of shark and batoid species in
a tropical marine food web and to examine how ontogenetic dietary changes affect these …

Changes in the specific and biogeographic composition of coastal fish assemblages in Patagonia, driven by climate change, fishing, and invasion by alien species

DE Galván, ND Bovcon, PD Cochia… - Global change in …, 2022 - Springer
Climate change, fishing, and invasion by alien species are the drivers of global change that
mainly affect Patagonian marine fish assemblages. In this chapter, we reconstructed the …

The structure of a marine tropical food web, and its implications for ecosystem-based fisheries management

AF Navia, VH Cruz-Escalona, A Giraldo, A Barausse - Ecological modelling, 2016 - Elsevier
We reconstructed the structure of a tropical marine food web and then analyzed it to
evaluate how the trophic network could respond to anthropogenic pressures such as the …

Key species and impact of fishery through food web analysis: a case study from Baja California Sur, Mexico

M Rocchi, M Scotti, F Micheli, A Bodini - Journal of Marine Systems, 2017 - Elsevier
Abstract Ecosystem-Based Management (EBM) aims to support the protection of natural
ecosystems and to improve economic activities. It requires considering all of the actors …

Studies on temporal variations of exploited fishery resources and their trophic levels in a tropical estuary

S Maitra, M Harikrishnan, AV Shibu… - Regional Studies in …, 2018 - Elsevier
Estuaries are dynamic ecosystems that warrant detailed examination of trophic interactions
due to diversified prey items contributed simultaneously from marine and freshwater …

Trophic ecology of large pelagic fish in the Saint Peter and Saint Paul Archipelago, Brazil

FV Albuquerque, AF Navia, T Vaske… - Marine and …, 2019 - CSIRO Publishing
Trophic relationships of large pelagic predators can determine the structure and dynamics of
oceanic food webs. The feeding habits and trophic ecology of five large pelagic fish …

Dietary niche differentiation in a mesopredatory dasyatid assemblage

C Elston, PD Cowley, RG von Brandis, A Fisk - Marine Biology, 2020 - Springer
Most batoids are mesopredators and are often hypothesised to play important ecological
roles. However, a comprehensive understanding into these roles remains limited given the …

Trophic ecology of three stingrays (Myliobatoidei: Dasyatidae) off the Brazilian north‐eastern coast: Habitat use and resource partitioning

APN Queiroz, MLG Araújo, NE Hussey… - Journal of Fish …, 2023 - Wiley Online Library
Understanding the ecological role of species with overlapping distributions is central to
inform ecosystem management. Here we describe the diet, trophic level and habitat use of …