Coral reefs heal after 2004's deadly tsunami

updated 9:51 a.m. ET Dec. 26, 2008

BANGKOK, Thailand - Scientists thought it would take a decade for Southeast Asia's coral reefs to heal after 2004's deadly tsunami but they said Friday that Indonesia's reefs have bounced back with surprising speed, restoring livelihoods to countless small communities.

The findings came as communities across the Indian Ocean remembered the disaster that struck Dec. 26, 2004 with prayers, songs and tears. About 230,000 people were killed in a dozen countries when a magnitude 9.0 earthquake triggered the tsunami.

Surveys of coral reefs after the tsunami showed that up to one-third were damaged and experts predicted it would take a decade for them to fully recover.

Scientists from the New York-based Wildlife Conservation Society, working with the Indonesian government and the Australian Research Council Centre of Excellence for Coral Reef Studies, said their examination of 60 sites on 497 miles of coastline along Indonesia's Aceh province showed the reefs were bouncing back.

"On the 4th anniversary of the tsunami, this is a great story of ecosystem resilience and recovery," said Stuart Campbell, coordinator of the Wildlife Conservation Society's Indonesia Marine Program.

"Our scientific monitoring is showing rapid growth of young corals in areas where the tsunami caused damage, and also the return of new generations of corals in areas previously damaged by destructive fishing," Campbell said in a statement. "These findings provide new insights into coral recovery processes that can help us manage coral reefs in the face of climate change."

Driving the economy
Healthy coral reefs are economic engines for Acehnese communities, Campbell added, supplying fish to eat and sell as well as tourism dollars from recreational diving.

The tsunami decimated coastlines across the Indian Ocean, wiping out villages, killing entire families and crippling the economies in parts of Indonesia, Sri Lanka and Thailand.

The United Nations estimated that Aceh alone lost $332.4 million from the loss of its reefs to the destructive waves.

But four years on, the multibillion dollar rebuilding process is almost complete with more than 120,000 homes built in Aceh alone and the reconstruction of tourist hotels and restaurants along Thailand's Andaman coast.

Thousands gathered Friday to celebrate the progress but to also remember the dead and reflect on a tragedy that turned their lives upside down.

"I don't think people will ever forget the tsunami. It changed a lot of people's lives," said Alisara Na-Takuatung, a local Phuket radio disc jockey who took part in a ceremony on Thailand's Patong beach attended by 200 people.

'Departure as destiny'
About 50 Buddhist monks prayed while school children played traditional Thai instruments.

Binsar Bakkara / AP Divers transplant corals at a spot that was damaged by 2004's earthquake and tsunami, off Weh island in Aceh province, Indonesia.

"I know people who lost their husbands, their kids. Those people won't forget about the tsunami," she said. "They will see it as a lesson. You think about what you can do for others."

Ibrahim Musa, a 42-year-old civil servant who joined thousands in a prayer service in the hard-hit Aceh province of Indonesia, said it feels like yesterday that his family was taken by the sea.

"Even after four years, I cannot forget how I lost hold of my wife and baby," he said. "I have tried in vain to look for them for three years. Now I have no choice but to accept their departure as destiny."

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