Yayasan Konservasi RASI

Research

RASI performs regular monitoring of the Pesut population and water quality through boat surveys and passive acoustic monitoring. Trial pinger studies are done to reduce dolphin mortality by gillnet entanglement. RASI also conducts coastal monitoring of marine mammals.

Habitat Protection

RASI is working on the establishment and implementation of a management plan of a 43,000 ha protected aquatic nature reserve in the Middle Mahakam Area including rivers, lakes as well as swamp areas and riparian forest. Five patrol teams from four sub-districts are actively monitoring illegal fishing and dolphin movements.

Education & Awareness

RASI provides environmental education at schools and society on protected wildlife, threatened ecosystems and provide solutions to reduce plastic waste in the river and sea.

Community Development + Ecotourism

RASI actively promotes sustainable resources use and provides aid for local community to engage in sustainable forms of aqua-culture and innovate post-harvesting products.

RASI ANNUAL REPORT 2025

A Year of Hope for the Mahakam River Dolphin

The 2025 Annual Report of Yayasan Konservasi RASI highlights a year of collective efforts to protect the Critically Endangered Mahakam River dolphin and its habitat. Despite ongoing challenges, 2025 also brought hope—marked by new births, strengthened community partnerships, and continued action to reduce threats in the Mahakam River. This report reflects our commitment to science-based conservation, community collaboration, and long-term protection of river ecosystems.

Read the full Annual Report 2025 to learn more about our impact and progress throughout the year.

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