Polar Biology • Vol 48 • No 3
Four unusual mortality events of seabirds in the Patagonian Sea, 2000–2006: species affected and possible causes
June 2025 • Marcela Uhart, Ralph Eric Thijl Vanstreels, Flavio Quintana, Belén Mattera, Nora G. Montoya, Leonardo Guzmán, Henri Vallès, Gemita Pizarro, Carolina …
Abstract The Patagonian Sea is a highly productive marine ecosystem and a hotspot for seabird diversity and density in the Southwest Atlantic Ocean. Reports of unusual mortality events are relatively scarce in this region, likely due to under detection and investigation. In this study, we report on four unusual mortality events affecting seabirds in the Patagonian Sea from 2000 to 2006. Events 1 and 2 occurred at Golfo Nuevo and Chubut coast, Argentina in September–December 2000, affecting at least 4550 seabirds, …