In Taiwan, government policy has
accelerated the transition from land-based to marine cage culture in recent
years. As a result, choosing the right location is a crucial principle and
determinant for future success in marine cage culture and sustainable development.
It has a significant impact on economic viability by deciding capital
expenditure and impacting operating expenses, production, and mortality. As a
result, climate considerations, geographic environmental elements,
bio-environmental factors, and social-economic aspects play a larger role in
site selection. With the rapid growth of marine cage culture, there is a
growing need for coastal zone environment analyses, which is a difficult task
that requires one of the most useful tools for these types of analyses: the
Geographic Information System (GIS). The criteria weight for site selection was
evaluated using AHP (analytic hierarchy process) in this study. The weights of
applicability of the four GIS grid themes were 0.322, 0.410, 0.127, and 0.141, respectively,
according to AHP analysis. The findings reveal that geographic environmental
elements are the most essential considerations when selecting acceptable marine
culture sites in Taiwan's Penghu bay. Meanwhile, a suitable map was created
using ArcMap, a GIS software application, based on the specified grid themes.
The GIS software and the AHP approach can be used to objectively choose the
best sites for marine cage culture development based on the eligible sites
discovered on the specific GIS grid themes.
Author (s) Details
Dr. Yi-Che Shih
Planning and Training Center of National Academy of Marine Research,
Ocean Affairs Council, Taiwan and Department of Maritime Police University and
Institute of Ocean Technology and Marine Affairs, National Cheng Kung
University, Taiwan.
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