Avifaunal Diversity and Conservation Challenges in the Magat Wetland of the Philippines: Assessing the Impacts of Habitat Loss and Management Strategies

This study investigates avifaunal diversity in the Magat Wetland areas in the Philippines, which serve as habitats for both endemic and migratory bird species. Using transect surveys and data from Department of Environment and Natural Resources (DENR), the research recorded 24 bird species, with dominant populations of E. garzetta and A. luzonica. Moderate avifaunal diversity, reflected in a Shannon-Wiener Diversity Index of 1.62, suggests an ecologically stable environment with critical resources supporting both abundant and rare species. However, pressures from habitat loss due to aquaculture, agricultural expansion, and tourism activities pose ongoing challenges for conservation. Local government efforts, including the establishment of a bird-watching site and eco-tourism initiatives, have raised awareness and engaged communities in conservation. Statistical modeling revealed that for each 1% increase in forest cover, the avian population is expected to increase by about 84 individuals, holding other factors constant. This highlights forest cover loss as a key factor affecting avifaunal populations, underscoring the importance of habitat preservation. Future research should focus on understanding the impact of human activities, climate change, and habitat quality on bird populations. This research underlines the critical role of the Magat Wetland as a biodiversity hotspot, advocating for sustainable management practices to preserve its ecological integrity amid increasing human development pressures.