Placement of Reef Balls Near Kenawa Island

Coral reefs constitute one of the most important components of coastal and marine resources, apart from mangrove forests.

7-image-4Scuba divers place reef balls off the coast of Kenawa Island.

Sr. Spec. for Environmental Ecology, Muhamad Salamuddin, also known as Alam, explains:

“Coral reefs existing in Indonesian waters can be found from Indonesia’s west to east territory waters. For example, a coral reef ecosystem can be found in Nusa Tenggara waters.”

On Tuesday, June 16, PT Newmont Nusa Tenggara’s (PTNNT) Monitoring Marine & Ecology team, the Diving & ROV division and the Fishery, Marine and Husbandry Office of KSB placed 26 reef balls at a depth of 10–12 meters on the north coast of Kenawa Island, Poto Tano Village, in the province of KSB.

Reef balls are an artificial reef module. They are the safest and most effective way to create sustainable marine reef habitat. Reef balls are made of a special, marine friendly concrete and are designed to mimic natural reef systems. They are used around the world to create habitats for fish and other marine and freshwater species. Reef balls are made in many sizes to best match the natural reef type which is being mimicked.

7-image-1Reef balls help promote the health and growth of already existing coral reefs.

In 2010, PTNNT previously placed 30 reef balls on Kenawa Island. The island was chosen for the reef balls because it has become a new tourist destination, boasting beautiful waters and landscapes.

“One of the coral reef community species commonly found in Kenawa Island waters is Sponge; it has a huge size,” said Alam.

Other species found include soft corals, which are new coral colonies generated as a result of the reef balls. Healthy and growing coral reefs will maintain the stability of the coast erosion, making the coastal areas wider and healthier over time.

PTNNT has placed a total of 1,599 reef balls around KSB waters, including 1,320 reef balls in Benete waters, 53 in Maluk waters and 186 in waters around Lawar.



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