Heat-driven functional extinction of Caribbean Acropora corals from Florida’s Coral Reef

IF 45.8 1区综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES

Science Pub Date : 2025-10-23 DOI:10.1126/science.adx7825

Derek P. Manzello, Ross Cunning, Richard F. Karp, Andrew C. Baker, Erich Bartels, Ryan Bonhag, Alexandra Borreil, Amanda Bourque, Kristen T. Brown, Andrew W. Bruckner, Bryce Corbett, Martine D’Alessandro, Craig Dahlgren, Jenna Dilworth, Erick Geiger, David S. Gilliam, Maya Gomez, Grace Hanson, Cailin Harrell, Dalton Hesley, Lindsay K. Huebner, Carly D. Kenkel, Hanna R. Koch, Joe Kuehl, Ilsa B. Kuffner, Mark C. Ladd, Sophia Lee, Kathryn C. Lesneski, Amanda Lewan, Diego Lirman, Gang Liu, Shayle B. Matsuda, Phanor H. Montoya-Maya, Jennifer Moore, Erinn M. Muller, Ken Nedimyer, John Everett Parkinson, Rob Ruzicka, Jason Spadaro, Blake L. Spady, Jennifer Stein, Joseph D. Unsworth, Cory Walter, Alexandra D. E. Wen, Dana E. Williams, Sara D. Williams, Olivia M. Williamson

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Abstract

In 2023, a record-setting marine heat wave triggered the ninth mass coral bleaching event on Florida’s Coral Reef (FCR). We examined spatial patterns of heat exposure along the ~560-kilometer length of FCR and the mortality of two ecologically important, critically endangered reef-building corals. Sea surface temperatures were ≥31°C for an average of 40.7 days, leading to heat exposures 2.2- to fourfold higher than all prior years on record. In the Florida Keys and Dry Tortugas, 97.8 to 100% of the Acropora palmata and Acropora cervicornis colonies died. Mortality was lower offshore southeast Florida (37.9%), reflecting cooler temperatures in this region. Since the late 1970s, multiple stressors had already reduced the ecological relevance of Acropora in Florida, but the 2023 heat wave marks their functional extinction from FCR.

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佛罗里达珊瑚礁加勒比海Acropora珊瑚的热驱动功能灭绝

2023年，创纪录的海洋热浪引发了佛罗里达州珊瑚礁（FCR）的第九次大规模珊瑚白化事件。我们研究了沿FCR长度约560公里的热暴露空间格局和两种生态上重要的、极度濒危的造礁珊瑚的死亡率。海面温度≥31°C，平均40.7天，导致热暴露比以往记录的所有年份高出2.2至4倍。在佛罗里达群岛和干托尔图加斯，97.8 - 100%的棕榈Acropora和颈角Acropora种群死亡。佛罗里达州东南部近海的死亡率较低（37.9%），反映出该地区温度较低。自20世纪70年代末以来，多种压力因素已经降低了佛罗里达州Acropora的生态相关性，但2023年的热浪标志着它们从FCR中功能性灭绝。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Science 综合性期刊-综合性期刊

CiteScore

61.10

自引率

0.90%

发文量

审稿时长

2.1 months

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