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Predicting the effects of climate change on bluefin tuna (Thunnus thynnus) spawning habitat in the Gulf of Mexico

Muhling, B. A., S.-K. Lee, J. T. Lamkin and Y. Liu, 2011. Predicting the Effects of Climate Change on Bluefin Tuna (Thunnus thynnus) Spawning habitat in the Gulf of Mexico. ICES Journal of Marine Science, doi:10.1093/icesjms/fsr008


Atlantic bluefin tuna (BFT) is a highly migratory species that feeds in cold waters in the North Atlantic, but migrates to tropical seas to spawn. Global climate-model simulations forced by future greenhouse warming project that upper-ocean temperatures in the main western Atlantic spawning ground, the Gulf of Mexico (GOM), will increase substantially, potentially altering the temporal and spatial extent of BFT spawning activity. In this study, an ensemble of 20 climate model simulations used in the Intergovernmental Panel for Climate Change fourth Assessment Report (IPCC-AR4) predicted mean temperature changes…

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