The Ligawasan Marsh Development Master Plan (1999-2025) prepared by NEDA-Region XII in 1998 recommended designation of the marsh as a protected area.

Past conservation efforts were funded by donor organizations such as the UNDP-GEF Small Grants Program (SGP) and the Foundation for the Philippine Environment (FPE) through its Ligawasan Marsh Integrated Conservation and Resource Management Project.

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Included in the Master Plan is the construction of 10 large dams to be completed by 2030 which may have profound impacts on the natural flood regime of the marsh and affect its natural ecological functions.

Recommendations for a review of the Master Plan have been put forward.

Annual waterbird census in Barangay Candating, Arayat from 1990 to 2008 show a considerable number of migratory species in the area.

While the number is increasing, some years show fluctuating counts.

In Agusan, a Master Plan for the Agusan River Basin following an integrated river basin management approach has been developed mapping out development strategies that promote maximum development of resources and reduce poverty.

The Master Plan has been completed and presented to the Regional Development Council (RDC) and revisions are ongoing.Ligawasan is the largest marsh with a total area of 220,000 hectares.It is a conglomeration of three marshes: Ligawasan, Libungan and Ebpanan.Current efforts include the National Program Support–Environment and Natural Resources Management Project (NPS-ENRMP) for Ligawasan Marsh which intends to enhance ecosystem services for global and local benefits through financing of integrated ecosystems management.While initiatives to conserve the marsh are ongoing, initial research has not generated enough data to determine progress and outcomes of these efforts.Agusan Marsh is a wetland of international importance due to its hydro-ecological significance, biological diversity and uniqueness as a natural wetland.