The path to breaking the impasse of the marine negative emission economy: An empirical study of the multi-dimensional spillover effects of blue carbon fisheries in Shandong Province

Sun, J., Liu, H., Li, M., Mu, H., Cai, C. and Wang, H. (2026) The path to breaking the impasse of the marine negative emission economy: An empirical study of the multi-dimensional spillover effects of blue carbon fisheries in Shandong Province. Regional Studies in Marine Science, 96. ISSN 23524855

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Abstract

Blue carbon fisheries are regarded as a crucial pathway for promoting the green and low-carbon transformation of marine fisheries. This paper analyzes mariculture shellfish and algae data from seven coastal cities in Shandong Province from 2016 to 2021 to evaluate the economic value of carbon sinks generated by blue carbon fisheries through the construction of an economic valuation model. The impacts of blue carbon fisheries on non-blue carbon fisheries, as well as upstream and downstream industry chain effects, are examined through horizontal and vertical spillovers using an improved Feder model and the Cobb-Douglas production function. The results indicate that the economic value of carbon sinks from blue carbon fisheries in most coastal areas of Shandong Province exhibits a fluctuating upward trend. Regression analysis shows that blue carbon fisheries significantly promote the expansion of Shandong's marine fisheries economy, with an estimated impact coefficient of approximately 0.496. Regarding horizontal spillovers, the positive effects of blue carbon fisheries on non-blue carbon fisheries have strengthened over time. Moreover, blue carbon fisheries have promoted upstream and downstream sectors of the industry chain, exhibiting notable technological spillovers. Based on these findings, this paper proposes the establishment of a sustainable development system for blue carbon fisheries through implementation of differentiated regional development strategies, optimization of factor input structures, and strengthening of industry chain coordination mechanisms.

Item Type:	Article
Keywords:	Blue Carbon Fisheries, Economic Value of Carbon Sinks, Horizontal Economy Spillover Effect, Vertical Economy Spillover Effect
Divisions:	Harper Adams Business School
Depositing User:	Mrs Susan Howe
Date Deposited:	23 Mar 2026 17:06
Last Modified:	23 Mar 2026 17:06
URI:	https://hau.repository.guildhe.ac.uk/id/eprint/18342

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