JANTHO, Indonesia — Illegal gold miners in Indonesia’s Aceh province have breached a crucial reintroduction forest for critically endangered Sumatran orangutans rescued from the illegal wildlife trade. “The result of our monitoring indicates that maybe dozens of excavators are suspected of operating in the Jantho forest area,” said Afifuddin, campaign and advocacy lead at the provincial chapter of the Indonesian Forum for the Environment (Walhi), the country’s largest environmental pressure group. The Indonesian government established the Jantho orangutan reintroduction area more than 15 years ago within the wider protected forest known as the Jantho Nature Reserve. Jantho is located in Aceh province, on the northern tip of Sumatra. There were no Sumatran orangutans (Pongo abelii) living in what is now the Jantho reintroduction forest when conservationists began releasing animals there in 2011. Since then, the Sumatran Orangutan Conservation Programme (SOCP), which works with the Indonesian government on the reintroduction effort, has released nearly 200 orangutans into the forest. It remains one of the country’s most successful release sites for the critically endangered great apes. The Jantho sanctuary was chosen for reintroduction due to its habitat of fig trees, a key food source for orangutans, and proximity to the Leuser Ecosystem, which is home to most of the Sumatran orangutans that remain in the wild. Forest near Jantho. Image by Rhett A. Butler/Mongabay. Rainforest river near Jantho. Image by Rhett A. Butler/Mongabay. However, new analysis by Walhi’s Aceh chapter found that approximately 14 hectares (35 acres), of the Jantho Nature Reserve…This article was originally published on Mongabay

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