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LAND CHARACTERISTICS AND SUITABILITY FOR TILAPIA CULTURE AT DIFFERENT SEASONS IN BRACKISHWATER PONDS OF BONTOA SUBDISTRICT, MAROS REGENCY, INDONESIA
Akhmad Mustafa (a*), Andi Indra Jaya Asaad (a), and Michael A. Rimmer (b)

a Research Institute for Coastal Aquaculture and Fisheries Extension, Maros, Indonesia
* E-mail: akhmadmustafa[at]yahoo.com

b University of the Sunshine Coast, Queensland, Australia


Abstract

Non-shrimp commodities diversification is an alternative for increasing aquaculture production, including brackishwater ponds in Bontoa Subdistrict, Maros Regency, South Sulawesi Province, Indonesia. Therefore, a study was conducted to determine land characteristics in an effort to determine land suitability for tilapia (Oreochromis niloticus) in ponds at different seasons. Factors considered in determining land characteristics and suitability are: topography and tide, soil quality, water quality, and climate. Spatial analysis in Geographic Information Systems are used in determining land suitability for tilapia in ponds. The results showed that land of ponds in Bontoa Subdistrict has a slope of less than 2%, a tide of 1.38 m, dominated by acid sulfate soil, low water salinity in rainy season and relatively high of salinity in dry season with rainfall reaches 3,531 mm/year. In rainy season, from 3,072.6 ha of ponds in Bontoa Subdistrict, 252.2 ha classified as highly suitable (S1 class) and 2,820.4 ha is moderately suitable (S2 class) for tilapia, while in dry season which is moderately suitable (S2 class) area of 2,207.9 ha and classified as not suitable (N class) area of 864.7 ha. High water salinity in dry season in Bontoa Subdistrict is main limiting factor for tilapia in ponds.

Keywords: characteristic, land suitability, brackishwater ponds, Oreochromis niloticus, Maros Regency

Topic: Agriculture system

Link: https://ifory.id/abstract/HBXLzA64Pmw7

Conference: The 2nd International Conference on Global Issue for Infrastructure, Environment, and Socio-Economic Development (GIESED 2019)

Plain Format | Corresponding Author (Akhmad Mustafa)

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