山东省贝藻养殖碳汇能力评估

Evaluation of carbon sink capacity of shellfish and algae in Shandong Province

本研究根据山东省贝类与藻类养殖产量数据对2015-2020年山东省贝藻养殖过程中从近海中移出的碳汇量及碳汇价值进行了估算,结果表明,2015-2020年,山东省在养殖滤食性贝类与大型藻类过程中,从近海中移出碳量321万吨,相当于减排Co_(2)1178万吨,折合人民币26.74亿元。藻类固碳能力强,但贝类固碳时间更持久。因此,结合山东省目前贝藻养殖产业现状,建议适当调整贝类养殖结构,加大对固碳能力强的蛏和贻贝的养殖,并对贝藻养殖的生态效益价值进行补偿以进一步促进贝藻产业发展,进而为山东省在碳交易市场中争取合理的碳份额提供依据。

Based on the production data of shellfish and algae in Shandong Province, this study estimates the carbon sink and value contributed by the shellfish and algae in Shandong Province from 2015 to 2020. The results show that during the process of cultivating shellfish and algae, 3.21 million tons of carbon are removed from offshore, and CO_(2)is reduced by 11.78 million tons, equivalent to 2.674 billion Yuan. Algae have a strong carbon sequestration ability, but shellfish have a longer carbon fixation period. Clams and mussels are recommended for cultivation with carbon sequestration ability.In order to further promote the development of the shellfish and algae industry in Shandong Province,it is recommended to compensate for the ecological benefit value of shellfish and algae cultivation, so as to strive for a reasonable national carbon share in the carbon trading market.