Marine protected areas aren’t in the right places to safeguard dolphins and whales in the South Atlantic

Despite Brazil’s recent expansions of protected areas, research shows that the favorite habitats of whales and dolphins are still threatened by human activities.

By: Guilherme Maricato, UFRJ; Clinton N. Jenkins, Florida International University; Maria Alice S. Alves, UERJ, and Rodrigo Tardin, UFRJ, The Conversation

Outlets: The Conversation

Published: January 26, 2026

Words: 1,165

Last Updated: 1 day, 16 hours ago

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By Guilherme Maricato, UFRJ; Clinton N. Jenkins, Florida International University; Maria Alice S. Alves, UERJ, and Rodrigo Tardin, UFRJ

The ocean is under increasing pressure. Everyday human activities, from shipping to oil and gas exploration to urban pollution, are affecting the marine environment. Extensive research shows how this combination of stressors represents one of the greatest threats to marine wildlife, potentially affecting biodiversity on a global scale.

To protect the ocean, one of the primary …

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