Climate-modulated range expansion of reef-building coral communities off southeast Florida during the late Holocene
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Abstract
The Holocene reefs off southeast Florida provide unique insights into the biogeographical and ecological response of western Atlantic coral reefs to past climate change that can be used to evaluate future climate impacts. However, previous studies have focused on millennial-scale change during the stable mid-Holocene, making it difficult to make inferences about the impact of shorter-term variability that is relevant to modern climate warming. Using uranium-series dating of newly discovered subfossil coral rubble deposits, we establish a new high-resolution record of coral community development off southeast Florida during a period of variable climate in the late Holocene. Our results indicate that coral communities dominated by reef-building Acropora palmata and Orbicella spp. persisted in the nearshore environments off southeast Florida ~75 km north of their primary historical ranges between ~3500 and 1800 years before present. This timing coincides with regional warming at the northern extent of the Atlantic Warm Pool, suggesting a likely link between regional oceanographic climate and the expansion of cold-sensitive reef-building coral communities to the high-latitude reefs off southeast Florida. These findings not only extend the record of coral-reef development in southeast Florida into the late Holocene, but they also have important implications for future range expansions of reef-building coral communities in response to modern climate change.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Climate-modulated range expansion of reef-building coral communities off southeast Florida during the late Holocene |
| Series title | Frontiers in Marine Science |
| DOI | 10.3389/fmars.2022.995256 |
| Volume | 9 |
| Year Published | 2022 |
| Language | English |
| Publisher | Frontiers |
| Contributing office(s) | St. Petersburg Coastal and Marine Science Center |
| Description | 995256, 10 p. |
| Country | United States |
| State | Florida |
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