Rebon shrimp (Acetes spp.) is a key fishery resource in the coastal waters of Bone Bay, South Sulawesi. This study analyzes the spatiotemporal distribution of Acetes sp. using in-situ data and Geographic Information Systems (GIS) across four ecosystem types: estuary, mangrove, sand, and seagrass. Sampling was conducted twice monthly from February 2024 to January 2025. Environmental parameters such as temperature, salinity, pH, dissolved oxygen, brightness, current speed, and substrate type were recorded at each station using GPS. Spatial distribution was mapped using Kriging and IDW interpolation methods. Results indicated peak abundance during the Transitional I (April-June) and Transitional II (October-November) seasons, especially in mangrove and estuarine areas (ST4, ST5, ST6). Conversely, shrimp density declined significantly during the East (July-August) and West (December-February) monsoons. Temperature and salinity positively correlated with shrimp density, while brightness and substrate influenced habitat preferences. Size analysis revealed that 81.6% of the shrimp sampled had reached gonadal maturity, indicating high potential for harvest. The GISbased approach effectively identified productive zones and seasonal patterns, supporting the development of sustainable, location-based management strategies that align with blue economy principles-balancing ecological sustainability and the livelihoods of coastal communities.
Patangngari et al. (Thu,) studied this question.
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