Preliminary identification of key coral species from N ew C aledonia ( S outhwest P acific O cean), their significance to reef formation, and responses to environmental change

A study identifies at least 19 genera and 33 coral species, including Goniastrea retiformis, Isopora palifera, and Porites spp., as key contributors to reef formation in New Caledonia's Pleistocene and Holocene barrier reefs. These species, termed 'key coral species' (KCS), are critical for the resilience of coral ecosystems under projected sea-level rise (0.2–0.6 m/100 years). However, their current decline underscores urgent conservation needs. The research analyzed six core samples from three reefs—Islets Kendec, Amédée, and Bayes—to assess species' roles in reef maintenance, highlighting the vulnerability of these ecosystems to environmental change.

Hongo, C., & Wirrmann, D. (2015). Preliminary identification of key coral species from New Caledonia (Southwest Pacific Ocean), their significance to reef formation, and responses to environmental change. Island Arc, 24(1), 31–46. Portico. https://doi.org/10.1111/iar.12090