The “Woiila” phenomenon is a unique natural event in Mowewe, East Kolaka, where the water levels of the Woiila River experience extreme periodic hydrological fluctuations. This study analyzes its impact on the agricultural system, local ecology, and community adaptation strategies. This study employs a qualitative approach through participant observation, in-depth interviews, and documentary analysis, involving farmers, community leaders, and relevant stakeholders. The findings indicate that the fluctuations of the Woiila River have triggered transformations, driving shifts in community cropping patterns from traditional systems toward more resilient adaptations aligned with sustainable cycles, becoming increasingly adaptive to water cycles. The adaptations implemented include the diversification of drought-tolerant crops, modifications to irrigation techniques, and the development of communal water storage infrastructure. Ecologically, these changes have impacted the composition of riparian vegetation, the migration of aquatic fauna, and the ecosystem’s adaptation to extreme hydrological fluctuations. The Mowewe community has internalized local wisdom in the form of an early warning system based on the observation of natural phenomena, land rotation according to the Woiila cycle, and customary institutions to regulate collective water management. This study underscores the importance of local resilience and the integration of traditional knowledge into climate change adaptation strategies and sustainable water resource management in regions with unique hydrological characteristics.
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