fringing reef of Ofu
Pago Pago, AMERICAN SAMOA — The corals of Ofu are vibrant, diverse, and unusually tolerant of above-average water temperatures; other researchers have noted that these corals may provide critical insights into the potential of coral acclimatization and adaptation to climate change. However, excess...
Pago Pago, AMERICAN SAMOA — Researchers from the USGS and the National Park Service have published the first documentation of exceptionally large low-frequency waves sweeping across the southern fringing reef of Ofu, American Samoa. This discovery, outlined in a new study, sheds light on how these...

![With climate change and coastal development intensifying pressures on coral reefs worldwide, this research on algae underscores the need for integrated land–sea management, including characterizing and quantifying the effects of the Submarine Groundwater Discharge outbreak of the bubble algae found on a reef at Ofu. [courtesy photo] bubble algae on Ofu reef](https://www.samoanews.com/sites/default/files/styles/teaser/public/field/image/bubble_algae_on_ofu_reef.png?itok=JaWopAx5)
![Four-day time series showing water levels before and during the large wave event and the timing of the images. [courtesy graphic] WATER LEVELS](https://www.samoanews.com/sites/default/files/styles/teaser/public/field/image/water_levels.png?itok=w9JfJjAK)