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Climate Change Impacts on Atlantic Bluefin Tuna Spawning Habitat in the Gulf of Mexico

This study explores the potential effects of climate change on the spawning habitat and population dynamics of Atlantic bluefin tuna and other highly migratory fish in the Gulf of Mexico. Utilizing regional climate and habitat models in accordance with IPCC scenarios, we refine habitat models by analyzing a 28-year dataset of fish and environmental data. The research highlights the significance of these species as apex predators and their economic and ecological value, emphasizing the importance of international management strategies under changing climate conditions.

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Climate Change Impacts on Atlantic Bluefin Tuna Spawning Habitat in the Gulf of Mexico

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  1. Management And Conservation Of Atlantic Bluefin Tuna (Thunnus Thynnus) And Other Highly Migratory Fish In The Gulf Of Mexico Under IPCC Climate Change Scenarios: A Study UsingRegional Climate And Habitat Models PI: Mitchell A. Roffer, Roffer’s Ocean Fishing Forecasting Service, Inc. Your institution logo here • Question: What are the possible effects of climate change on the spawning habitat and fish population dynamics? • Importance: Highly migratory pelagic species - significant ecosystem value, apex predators, economic value, international management, downscaling (IPCC AR4 and AR5) using HyCOM & ROMS and for ecosystem work. • Approach • Refine and develop habitat model by re-analyzing a 28-year time series of fish (NOAA_NMFS) and environmental data (satellite and in situ) in Gulf of Mexico and nearby. Evaluate spatially and temporally the habitat changes over 100 years. • Other: Leveraging previous 1) NASA – NOAA research with bluefin tuna and other large charismatic megafauna and 2) climate work with Intergovernmental Panel on Climate Change (IPCC AR4).

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