“From our investigations over the past 10 years in the Bangka-Belitung province, around 60 percent of deforestation has been caused by two factors: tin mining and the expansion of palm plantations,” said Ratno “Uday” Budi, the executive director for the Indonesian Forum for the Environment (Walhi).
According to the Global Forest Watch (GFW), Belitung has lost a total of 10 percent of its forest cover over the past 13 years. The island, together with neighboring Bangka, gained regional autonomy from South Sumatra in 2000 and became a single province. Uday says this split resulted in a vast expansion of tin mining activities.
The tin and other minerals stripped from Belitung are used in a slew of consumer electronics and have been linked to tech giants such as Samsung and Microsoft over the years. The industry has taken a major human and ecological toll on the islands, but it remains the lifeblood of the province.
Uday said that the eastern end of the island, an area that encompasses around 2,500 square kilometers, has experienced the worst treatment due to expansion of oil palm plantations and tin mining operations, with 70 percent of the forest area being cleared, including precious patches of mangrove forests. He added that the island’s deforestation and mining has made Belitung more readily impacted by extreme weather and other ecological hazards.
“In Bangka-Belitung, there has been 60 percent deforestation of the mangrove area,” he said. “Mining has led to flooding, contaminated rivers and rivers not functioning properly. Bangka-Belitung’s ecology has been affected.”
Its wildlife has especially felt the effects. The tarsier is a nocturnal, bug-eyed primate that is found all around Southeast Asia. But the Cephalopachus bancanus saltator, or the Belitung Island tarsier, is endemic to the island and thrives in a unique ecosystem that is particularly prone to exploitation.
The Belitung Island tarsier has been classified as Endangered, according to the International Union for Conservation of Nature (IUCN), “due to a severe restriction of its geographic range on Belitung Island; its extent of occurrence is less than 5,000 (square) kilometers, and known populations are severely fragmented.”
Indonesian researcher Indra Yustian has studied the island’s ecology in depth, and specializes in monitoring its tarsier population. His 2007 book “Ecology and Conservation Status of Tarisus Bancanus Saltator on Belitung Island” is a crucial text on a very rare animal.
“Although there are some Protection Forests on the island, which (are) mainly designated to preserve watershed and ecosystem functions, and despite the island being one of the endemism centers of the Sumatran region, there [are] no conservation area[s] on Belitung Island,” Indra wrote.
Uday said that Walhi has been monitoring the tarsier population, as well, but given the animal’s elusiveness, the organization has not been able to record any exact data on the species’ current population trend.
“We’re still checking on the population of the tarsier… with deforestation and the narrowing of the forest, they will be isolated, and it will affect their habitat and their breeding habits,” Uday said.
As far as a government response to the issue, the province promised years ago to curb deforestation and provide alternatives to residents outside of the damaging mining sector. However, little has been done.
“Addressing the tin mining issue is no easy task, because a large percentage of the residents rely on the tin mining sector, which they deem as providing material benefits,” Darmansyah Husein, the Belitung Regent from 2004 to 2013, told the Jakarta Post in 2009.
According to Uday, even today, the government has not held true to its word.
“We are pessimistic that the provincial government will do something,” he said. “There is big interest in the mining industry… mining is still Bangka-Belitung’s backbone, and the income is for the province’s development from the government’s perspective. We are skeptical that the government will give more protection to the forest.”
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