The nutritional ecology of marine apex predators

GE Machovsky-Capuska… - Annual Review of …, 2020 - annualreviews.org
Apex predators play pivotal roles in marine ecosystems, mediated principally through diet
and nutrition. Yet, compared with terrestrial animals, the nutritional ecology of marine …

Multi-colony tracking reveals segregation in foraging range, space use, and timing in a tropical seabird

AM Trevail, H Wood, P Carr, RE Dunn… - Marine Ecology …, 2023 - int-res.com
Colonial animals experience density-dependent competition for food, which is posited to
influence foraging range and lead to inter-colony segregation. However, such patterns are …

Diet Composition and Nutritional Niche Breadth Variability in Juvenile White Sharks (Carcharodon carcharias)

R Grainger, VM Peddemors… - Frontiers in Marine …, 2020 - frontiersin.org
Establishing diets and dietary generalism in marine top predators is critical for
understanding their ecological roles and responses to environmental fluctuations. Nutrition …

Ecological trap for seabirds due to the contamination caused by the Fundão dam collapse, Brazil

GT Nunes, MA Efe, CT Barreto, JV Gaiotto… - Science of the Total …, 2022 - Elsevier
Human-induced rapid environmental changes can disrupt habitat quality in the short term. A
decrease in quality of habitats associated with preference for these over other available …

Metal tolerance in enterococci isolated from seabirds in Abrolhos Archipelago, Brazil: Evaluating their role as bioindicators of marine pollution

RR Mocellin, AL Toigo, CC Dos Santos, J Frazzon… - Marine Pollution …, 2024 - Elsevier
Microbiota exposed to pollution provide insights into host physiology and ecosystem
disruption. This study evaluated Enterococcus spp. tolerant to arsenic (As), copper (Cu), and …

The nutritional nexus: linking niche, habitat variability and prey composition in a generalist marine predator

GE Machovsky‐Capuska, MGR Miller… - Journal of Animal …, 2018 - Wiley Online Library
Our understanding of the niche concept will remain limited while the quantity and range of
different food types eaten remain a dominant proxy for niche breadth, as this does not …

Flexible foraging strategies in a highly pelagic seabird revealed by seasonal isotopic niche variation

K Bourgeois, JR Welch, S Dromzée, GA Taylor… - Marine Biology, 2022 - Springer
Flexibility in foraging strategy is an important mechanism by which seabirds cope with
spatiotemporal heterogeneity in food availability and the variable energetic constraints of …

Bioaccumulation of mercury is equal between sexes but different by age in seabird (Sula leucogaster) population from southeast coast of Brazil

GP Bighetti, JA Padilha, LST Cunha, D Kasper… - Environmental …, 2021 - Elsevier
Since several seabird species have sexual size dimorphism, in which one sex is larger than
the other, and may consume bigger prey, this size difference may affect the contamination …

Intraspecific trophic variation in brown booby (Sula leucogaster) from the Southwestern Atlantic

PL Mancini, EEM Valim, A de Barros Bauer, LG Fischer - Marine Biology, 2023 - Springer
Sexual size dimorphism in seabirds may reduce intraspecific food competition by exploiting
different trophic niches by each sex. We tested the intraspecific trophic segregation between …

Niche partitioning and individual specialization among age, breeding status and sex classes in a long-lived seabird

L Zango, L Navarro-Herrero, M García-Vendrell, K Safi… - Animal Behaviour, 2020 - Elsevier
Niche partitioning among different age, breeding status or sex classes allows resource use
to be maximized while reducing intraspecific competition. Individual specialization marks the …