Carbon budgets from mariculture ponds without a food supply

文献类型： 外文期刊

第一作者： Chen, Yan

作者： Chen, Yan;Xu, Shaogang;Yang, Xiaofei;Chen, Yan;Dong, Shuanglin;Pan, Zhe;Bai, Yucen

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关键词： Mariculture ponds; No-feeding; Methane; Carbon dioxide; Carbon budgets

期刊名称：AQUACULTURE ENVIRONMENT INTERACTIONS （ 影响因子：3.074； 五年影响因子：3.475 ）

ISSN： 1869-215X

年卷期： 2018 年 10 卷

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收录情况： SCI

摘要： To estimate the carbon source-sink function of mariculture ponds without a food supply, we analyzed carbon budgets and gaseous carbon fluxes in shrimp Marsupenaeus japonicus-sea cucumber Apostichopus japonicus polyculture seawater ponds (PSPs) without feeding. Over a 1 yr cycle, the total organic carbon outflow accounted for 78.6 % of the inflow organic carbon in PSPs. Approximately 1558.1 kg ha(-1) of organic carbon accumulated in PSPs, and the ratio of gaseous carbon exchange to carbon burial ranged from 0.73 to 1.45. The PSPs acted as a purification system where organic carbon is eliminated from the inflow water, and carbon retention in the sediment of such systems could offset their carbon emissions into the atmosphere.

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