Black band coral disease continues to affect Kauai reefs

This undated combination photo by the University of Hawaii/Hawaii Institute of Marine Biology, provided by the Hawaii Dept. of Land and Natural Resources, shows healthy coral, right, and coral that has black band coral disease, left, in the waters off the island of Kauai in Hawaii. Black band coral disease is affecting nearly half of the reef sites state officials have surveyed off Kauai, according to the state Department of Land and Natural Resources. The agency said Wednesday, April 29, 2015 that an experimental treatment involving using a putty-like substance over the coral lesions to smother the disease is showing some signs of success.Coral experts identified the outbreak a few years ago and have been studying it since.(University of Hawaii/Hawaii Institute of Marine Biology/Hawaii Dept. of Land and Natural Resources via AP). This undated combination photo by the University of Hawaii/Hawaii Institute of Marine Biology, provided by the Hawaii Dept. of Land and Natural Resources, shows healthy coral, right, and coral that has black band coral disease, left, in the waters off the island of Kauai in Hawaii. Black band coral disease is affecting nearly half of the reef sites state officials have surveyed off Kauai, according to the state Department of Land and Natural Resources. The agency said Wednesday, April 29, 2015 that an experimental treatment involving using a putty-like substance over the coral lesions to smother the disease is showing some signs of success.Coral experts identified the outbreak a few years ago and have been studying it since.(University of Hawaii/Hawaii Institute of Marine Biology/Hawaii Dept. of Land and Natural Resources via AP).

By Associated Press April 30, 2015 2 min read

HONOLULU (AP) – Black band coral disease is affecting nearly half of the reef sites researchers have surveyed in waters off Kauai, the state Department of Land and Natural Resources said.

Researchers with the Hawaii Institute of Marine Biology are working with state and federal agencies to learn more about what’s driving the disease. It was first identified in 2004 and rose to outbreak levels in 2012.

This is the first outbreak in Hawaii and the closest other outbreak is in Palau, said Christina Runyon, one of the lead researchers. It’s a disease found globally around the tropics.

Runyon has spent the last two years surveying reefs around Kauai. Black band disease was found at 23 of the 47 sites, she said, with hotspots on the north and east sides of the constantly eroding island. The disease hasn’t been reported on any other island.

“We also have been able to see that there’s a trend between higher temperatures and this disease prevalence, where you see more of this disease when temperatures are warm,” she said. “This is concerning to us because of the predictions for sea surface temperatures to be higher this year than last year.”