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Carbon sink efficiency of Chinese mollusk mariculture

文献类型： 外文期刊

作者： Yu, Lance 1 ; Zhu, Jianfeng 1 ; Guan, Xiaomu 1 ; Zhai, Lu 2 ; Zhao, Zhuming 3 ; Mu, Yongtong 4 ; Liu, Tao 5 ;

作者机构： 1.Shandong Acad Social Sci, Shandong Marine Econ & Cultural Res Inst, 8 Jinhu Rd, Qingdao 266071, Peoples R China

2.Shanghai Ocean Univ, Coll Econ & Management, 999 Huchenghuan Rd, Shanghai 201306, Peoples R China

3.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, 106 Nanjing Rd, Qingdao 266071, Peoples R China

4.Ocean Univ China, Fisheries Coll, 5 Yushan Rd, Qingdao 266003, Peoples R China

5.Shandong Univ Sci & Technol, Coll Econ & Management, 597 Qianwanggang Rd, Qingdao 266590, Peoples R China

关键词： Mollusk mariculture; Carbon sink; Efficiency evaluation; Sustainable development

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 596 卷

页码：

收录情况： SCI

摘要： Chinese mollusk mariculture plays a key role in boosting ocean carbon sink capacity through biological processes, supported by large-scale production. However, its full potential remains underutilized due to the absence of comprehensive efficiency evaluations. This interdisciplinary study applies a three-stage approach to assess the carbon sink efficiency of Chinese mollusk mariculture, with a focus on regional variations across nine coastal provinces from 2012 to 2022. The results show that environmental variables and statistical noise distort efficiency scores, leading to overestimation in six provinces and underestimation in three. After adjusting for these influences, regional disparities in efficiency become more apparent. High-production provinces such as Shandong, Fujian, and Guangdong exhibit higher efficiency, while low-production provinces like Hainan show diminished performance. Although there is a positive correlation between production volume and carbon sink efficiency, further improvements are constrained by the sector's low profitability. To address this, we propose two strategies: (1) reallocating subsidies from capture fisheries to mollusk mariculture, and (2) accelerating carbon trading between mollusk mariculture and other industries. These measures could enable the global mollusk mariculture to enhance both its carbon sink capacity and efficiency, contributing to food security and climate change mitigation.

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