Humans have altered marine ecosystems over very long-time scales and historical data is
often needed to understand the true magnitude of human impacts. The Southwest Atlantic …

Despite global declines in the abundance of marine predators, knowledge of foraging
ecology, necessary to predict the ecological consequences of large changes in marine …

Plastic debris in marine environments and its impact on wildlife species is becoming a
problem of increasing concern. In pinnipeds, entanglements commonly consist of loops …

Otaria flavescens has been one of the most heavily exploited pinnipeds during the last 200
years, with depletion of~ 90% in some colonies. After the prohibition on sealing in South …

Stable isotope analyses have become an important tool in reconstructing diets, analysing
resource use patterns, elucidating trophic relations among predators and understanding the …

The South American Sea Lion has been referred to by the scientific names Otaria byronia
(following Blainville 1820) and O. flavescens (following Shaw 1800). Rice (1998) concluded …

Marine plastic pollution is projected to increase globally in the next few decades. This holds
true for South America where the number of species that interacts with plastics is increasing …

Detailed knowledge on habitat use by marine mammals is critical for understanding their
ecological role and for adequate management. Here, we assess the habitat use patterns of …

To understand the recovery process and population dynamics of species that were severely
depleted, it is essential to monitor their population size and habitat changes throughout their …

Marine mammals and the ecological functions they provide to coastal and pelagic
ecosystems are increasingly threatened by the intensification of anthropogenic impacts. The …