Every curve and every angle of a coral colony holds the key to sustaining an array of marine species, according to University of Hawaiʻi at Hilo public impact research. UH Hilo graduate student Sofia Ferreira led a study published in Nature on predicting how coral reefs in Guam influence habitat complexity.
Ferreira's teams' research sought to determine how the design of each coral home shapes a"reef city." Using high-tech underwater cameras, Ferreira and fellow MEGA Lab researchers mapped 208 coral reef sites surrounding the island of Guam.
The team used 3D photogrammetry techniques to survey the plots. From these reef maps, more than 12,000 corals were individually assessed, capturing their size and growth shape. The innovative study found that every curve and every angle of a coral colony holds the key to sustaining an array of marine species.
Example of 1-cm raster resolution 2D orthomosaic with a 2 × 2-m plot overlaid in ArcMap. Example of individual coral colony observed within the plot. Credit:According to the study, the authors concluded that the traits of coral colony size and morphology are strong predictors of habitat complexity in Guam's reefs and should be included in coral reef monitoring programs.
Ferreira explained that coral reefs, the lifelines of coastal and island communities, are facing escalating threats from both local and global stressors."[Our] findings offer a glimpse of hope, casting light on the inner workings of these vital ecosystems." The research team hopes the study can offer vital insights and a foundation for future research to assess the overall impact fluctuation reef habitats can have onSofia B. Ferreira et al, Prediction of habitat complexity using a trait-based approach on coral reefs in Guam,
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