Home⇛Journal of Interdisciplinary Perspectives⇛vol. 4 no. 2 (2026)

Socio-Economic Effects of River Aggregates Quarrying in Masiu, Lanao del Sur: Community Perceptions and Policy Implications

Amer P. Macalawi | Aynolhayah Camping | Ainah Saidamin | Norhaidah Abdulhalim | Jalaloden Motalib

Discipline: social sciences (non-specific)

 

Abstract:

River aggregate quarrying has expanded in many rural areas as a source of construction materials and local income. However, its socio-economic implications at the community level remain insufficiently documented, particularly in resource-dependent settings. This study assessed the socioeconomic consequences of river aggregate quarrying in Masiu, Lanao del Sur, to establish a community-based baseline to inform policy development. Using a mixed-methods design, data were collected from 200 household respondents across six barangays through structured surveys and semi-structured interviews. Quantitative data were analyzed using descriptive statistics, while spatial patterns of perceived impacts and household willingness to engage in quarrying were examined using heatmaps and scatter plots; qualitative interview data were thematically analyzed to contextualize survey results. The findings indicate that quarrying generates short-term economic benefits, particularly employment opportunities for river-adjacent communities, but is also associated with increased household expenses, declining agricultural productivity, and infrastructure deterioration. Spatial analysis revealed that the intensity of livelihood impacts is strongly linked to proximity to quarrying sites, with communities closest to the river experiencing the most pronounced cumulative effects. Household willingness to engage in quarrying was primarily driven by economic necessity rather than positive valuation of quarrying as a sustainable livelihood. Hence, the study concludes that river aggregate quarrying in Masiu produces uneven socio-economic outcomes that warrant context-sensitive regulation, livelihood diversification, and community-based governance to balance economic needs with long-term household and community well-being.



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