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 …

We present estimates of the seasonal and spatial occupation by pinnipeds of the Wildlife
Refuge of Ilha dos Lobos (WRIL), based on aerial photographic censuses. Twenty aerial …

Since at least the middle-Miocene, the Antarctic Polar Front (APF) and the Subtropical Front
(STF) appear to have been the main drivers of diversification of marine biota in the Southern …

Coastal storms have increased in recent decades, affecting many species, including the
South American sea lion (Otaria byronia). Reports of stranded sea lion pups are becoming …

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 …

Abstract South American fur seals, Arctocephalus australis, were intensively hunted for
centuries, leaving the species at the edge of extinction. After the cessation of commercial …

Pinnipeds found across islands provide an ideal opportunity to examine the evolutionary
process of population subdivision affected by several mechanisms. Here, we report the …

Abstract The South American sea lion is distributed almost continuously from Zorritos, Peru,
on the Pacific Ocean to Torres, Brazil, on the Atlantic Ocean. The total population was …

The effects of human-caused mortality, such as fisheries bycatch, of endangered, threatened
and protected (ETP) species of marine mammals can be evaluated using population model …

In the last decades, an increasing fishing effort and a decreasing trend in fish catches have
been observed in southern Brazil. Considering that marine mammals and fisheries usually …