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Development of a seaweed species-selection index for successful culture in a seaweed-based integrated aquaculture system |
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| Authors: | Yun Hee Kang Jae Ran Hwang Ik Kyo Chung Sang Rul Park |
| Institution: | 1. Marine and Environmental Research Institute, Jeju National University, Jeju 609-756, Republic of Korea 2. Marine Environmental Research Division, National Fisheries Research and Development Institute,Busan 619-705, Republic of Korea 3. Division of Earth Environmental System, Pusan National University, Busan 609-735, Republic of Korea 4. School of Marine Biomedical Sciences, Jeju National University, Jeju 690-756, Republic of Korea |
| Abstract: | Integrated multi-trophic aquaculture (IMTA) has been proposed as a concept that combines the cultivation of fed aquaculture species (e.g., finfish/shrimp) with extractive aquaculture species (e.g., shellfish/seaweed). In seaweed-based integrated aquaculture, seaweeds have the capacity to reduce the environmental impact of nitrogen-rich effluents on coastal ecosystems. Thus, selection of optimal species for such aquaculture is of great importance. The present study aimed to develop a seaweed species-selection index for selecting suitable species in seaweed-based integrated aquaculture system. The index was synthesized using available literature-based information, reference data, and physiological seaweed experiments to identify and prioritize the desired species. Undaria pinnatifida, Porphyra yezoensis and Ulva compressa scored the highest according to a seaweed-based integrated aquaculture suitability index (SASI). Seaweed species with the highest scores were adjudged to fit the integrated aquaculture systems. Despite the application of this model limited by local aquaculture environment, it is considered to be a useful tool for selecting seaweed species in IMTA. |
| Keywords: | seaweed IMTA species-selection model water temperature physiological characteristics uptake rate |
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