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Comparison of economic and ecological benefits between factory water exchange model and biofloc model based on meta analysis

文献类型： 外文期刊

作者： Wang, Yuzhen 1 ; Chen, Zhao 2 ; Chang, Zhiqiang 2 ; Zhang, Shuangyong 1 ; Meng, Gao 2 ; Li, Jian 2 ;

作者机构： 1.Ocean Univ China, Coll Fisheries, Qingdao 266003, Shandong, Peoples R China

2.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, State Key Lab Mariculture Biobreeding & Sustainabl, Qingdao 266071, Shandong, Peoples R China

3.Qingdao Marine Sci & Technol Ctr, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao 266237, Shandong, Peoples R China

关键词： Super-intensive culture; Super-intensive biofloc culture; Economic effects; Ecological effects; Carbon sink

期刊名称：AQUACULTURE （ 影响因子：3.9； 五年影响因子：4.4 ）

ISSN： 0044-8486

年卷期： 2025 年 597 卷

页码：

收录情况： SCI

摘要： Studies on aquaculture models currently focus on assessing single economic or ecological benefits, while the analysis of the combined economic and ecological benefits of different factory farming models has rarely been reported. Furthermore, there is a lack of comprehensive research on the combined effects of multiple farming models on the environment. Therefore, we used Meta-analysis to quantify and compare the economic and ecological benefits of different factory farming modes and their combinations under multidimensional conditions, including the Indoor super-intensive shrimp culture model (ISIC-S), Indoor super intensive biofloc shrimp culture (ISBIC-S), Indoor super-intensive recirculating shrimp culture (ISIRC-S), and the Indoor super-intensive fish culture model (ISIC-F). The results showed that the economic and ecological benefits of using a combination of multiple factory farming models were significantly increased by 38 % compared to a single factory farming model, with an 11 % increase in economic benefits and an 88 % increase in ecological benefits in a single benefit. Specifically, the economic and ecological benefits increased by 64.65 % for the combination of ISBIC-S, ISIRC-S and ISIC-F modes compared to ISIC-S. The combination of ISIRC-S and ISIC-F increased the economic and ecological benefits by 13.75 % compared to ISBIC-S. In terms of economic benefits, the cost structure of the four factory farming models was similar due to the similar farming technology, and the total cost of the combination of multiple factory farming models increased by only 6 %. However, due to the maturity of the farming technology, the ISIC-S model had the highest net profit of 182,778.75US$ ha- 1 as compared to the single model, which was better in terms of economic benefits. Regarding ecological benefits, the multiple factory model showed significant reduction in suspended solids compared to the single model. The analysis of bacterial diversity and carbon sink capacity indicated that the bacterial diversity and abundance in ISBIC-S and ISIRC-S modes were higher than that of ISIC-S, and the carbon emission per unit of production was highest in ISIC-F (1858.14 g kg- 1CO2), followed by ISBIC-S (1732.66 kg- 1CO2). In conclusion, adopting multiple synergistic factory farming models is a feasible and sustainable approach to enhancing economic returns while significantly improving the ecological environment. These findings provide a theoretical foundation for developing factory farming models that promote the sustainable development of aquaculture.

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