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Life Sciences Commons

Open Access. Powered by Scholars. Published by Universities.®

2020

University of North Florida

Botany

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Full-Text Articles in Life Sciences

Florida Mangroves Show No Evidence Of Thermal Acclimation Of Leaf Respiration: Implications For Coastal Carbon Cycling And Future Climate, Kylie Harris, Jeff Chieppa, Matt Sturchio, Michael Aspinwall Apr 2020

Florida Mangroves Show No Evidence Of Thermal Acclimation Of Leaf Respiration: Implications For Coastal Carbon Cycling And Future Climate, Kylie Harris, Jeff Chieppa, Matt Sturchio, Michael Aspinwall

Showcase of Osprey Advancements in Research and Scholarship (SOARS)

Temperature controls of physiological processes that regulate C cycling in mangrove ecosystems remain understudied. New studies that investigate mangrove sensitivity to temperature could improve representation of coastal C cycling in global scale models. Respiration represents the second largest C flux between vegetation and the atmosphere, and roughly 50% of plant respiration comes from leaves. Leaf respiration increases with temperature, but thermal acclimation can dampen this response, and mitigate the positive feedback between temperature, respiration, and atmospheric CO2. We tested whether thermal acclimation of leaf respiration (R) to seasonal temperature changes and experimental warming is similar among three common mangrove species …