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Marine Biology Commons

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Marine & Environmental Sciences Faculty Articles

2022

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Full-Text Articles in Marine Biology

Sympatric Otariids Increase Trophic Segregation In Response To Warming Ocean Conditions In Peruvian Humboldt Current System, Susana Cardenas-Alayza, Michael Adkesson, Mickie Rae Edwards, Amy C. Hirons, Dimitri Gutierrez, Yann Tremblay Aug 2022

Sympatric Otariids Increase Trophic Segregation In Response To Warming Ocean Conditions In Peruvian Humboldt Current System, Susana Cardenas-Alayza, Michael Adkesson, Mickie Rae Edwards, Amy C. Hirons, Dimitri Gutierrez, Yann Tremblay

Marine & Environmental Sciences Faculty Articles

Determining trophic habits of predator communities is essential to measure interspecific interactions and response to environmental fluctuations. South American fur seals, Arctocephalus australis (SAFS) and sea lions Otaria byronia (SASL), coexist along the coasts of Peru. Recently, ocean warming events (2014–2017) that can decrease and impoverish prey biomass have occurred in the Peruvian Humboldt Current System. In this context, our aim was to assess the effect of warming events on long-term inter- and intra-specific niche segregation. We collected whisker from SAFS (55 females and 21 males) and SASL (14 females and 22 males) in Punta San Juan, Peru. We used …