期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 28, 期 17, 页码 21528-21539出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-020-11997-1
关键词
Removable carbon sink; Mariculture shellfish and algae; Scale factor; Structure factor; The quality assessment method; Logarithmic mean Divisia index
资金
- National Social Science Fund of China [20CJY022]
- Qingdao Philosophy and Social Science Planning Project [QDSKL2001063]
This study investigated the removable carbon sink capacity and economic value of mariculture shellfish and algae in China, finding that mariculture plays a positive role in increasing carbon sink and has great potential for further development in this area.
Facing the dual pressure of economic development and ecological environmental protection, it is undoubtedly a good strategy to strengthen energy conservation and emission reduction while further increasing carbon sink. The contribution of forest carbon sink is well-known, but the carbon sink function of mariculture is rarely known. Based on the statistics of China's fishery department and the quality assessment method, this paper constructed a preliminary accounting system for the removable carbon sink of mariculture shellfish and algae, and estimated its capacity in China from 2005 to 2017. On this basis, the logarithmic mean Divisia index was used to analyze the effects of structure and scale factors on the removable carbon sink of mariculture shellfish and algae. The results showed that the annual average removable carbon sink of shellfish and algae in China's mariculture reached 92.7 ten thousand tons, and the overall trend was upward. The total removable carbon sink of shellfish was greater than that of algae. Among them, Grassastrea gigas was the main source of removable carbon sink in China's mariculture, followed by Ruditapes philippinarum. The economic value of annual removable carbon sink of mariculture shellfish and algae in China was equivalent to 139-556 million dollars. Furthermore, the scale factor plays a leading role in the removable carbon sink capacity of mariculture in China, while the structure factor plays a minor role.
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