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3. Lake Singkarak, west Sumatra, Indonesia
• It has an area of 107.8
km²
• the second largest lake
in Sumatra after Lake
Toba.
• It has a total economic
value of IDR. 174.95
billion per year.
For more reading: Idris. 2013. Estimation of Total Economic Value of Natural Resources and
The Environment of Lake Singkarak. Jurnal Bumi Lestari, 2(13): 355-365.
