Economic Benefits and Improvement Strategies for Clam Marine Aquaculture in China: A Comparative Analysis of Zhejiang, Tianjin, and Shandong
文献类型： 外文期刊
作者： Chen, Yu 1 ; Xu, Shiwei 1 ; Cheng, Zhengrong 2 ; Liu, Zifei 3 ; Chen, Jiahui 4 ;
作者机构： 1.Shanghai Ocean Univ, Coll Econ & Management, Shanghai, Peoples R China
2.Fac Business informat, Shanghai Business Sch, Shanghai, Peoples R China
3.Chinese Acad Fishery Sci, Res Ctr Fisheries Dev Strategy, Beijing, Peoples R China
4.Univ Minnesota, Dept Econ, Minneapolis, MN USA
关键词： clams; marine aquaculture; economic benefits; cost-benefit analysis
期刊名称：ISRAELI JOURNAL OF AQUACULTURE-BAMIDGEH （ 影响因子：0.4； 五年影响因子：0.5 ）
ISSN： 0792-156X
年卷期： 2024 年 76 卷 4 期
页码：
收录情况： SCI
摘要： In recent years, clam mariculture output in China has steadily increased. However, environmental pollution and high aquaculture intensity have led to frequent diseases and unstable economic benefits. This study analyzes field research data from clam farming in Zhejiang Province, Tianjin City, and Shandong Province, focusing on farming costs, revenue, break-even points, and net profit sensitivity. The findings reveal that (1) variable costs consistently exceeded fixed costs, particularly in seedling costs, labor, and water rental; (2) net profit and margins ranked highest in Zhejiang, followed by Tianjin and Shandong; (3) Zhejiang exhibited the lowest break-even operation rate and the largest price discrepancies; (4) sensitivity to selling prices was high across all regions, with Zhejiang showing the lowest sensitivity to variable costs. To enhance economic benefits and promote sustainable development, government authorities and industry stakeholders should focus on cultivating high-quality seeds, implementing scientific management, developing green aquaculture, and emphasizing brand development.
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