Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41501099 |
| 不同形态氮输入对黄河三角洲芦苇湿地土壤碳库稳定性的影响 | |
| 陶宝先 | |
| 主持机构 | 聊城大学 |
| 开始日期 | 2016 |
| 结束日期 | 2018 |
| 资助经费 | 240000(CNY) |
| 项目类别 | 青年科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | The processes of carbon cycling in wetlands have been affected by increasing nitrogen (N) input derived from anthropogenic activities, and concern is growing over the effects of nitrogen input on carbon stability. So far, the overwhelming studies concentrated on the relationships between the amount of N addition and the stability of soil organic carbon (SOC). However, much less information is known how various N forms affect the stability of SOC in coastal wetlands. Here, we will conduct a suite of field and laboratory incubation experiments to investigate the relationships between nitrogen forms and SOC stability in the reed wetlands of Yellow River Delta. We will investigate the effects of nitrogen forms on the fixation of carbon dioxide, the allocation of carbon and nitrogen in plant organisms, litter decomposition, soil autotrophic and heterotrophic respiration, Q10 value of the mineralization rates of SOC fraction, and soil enzyme activities. The aims of this research were to elucidate the responses of carbon cycling in coastal wetlands to nitrogen forms, and to try to discover their mechanisms. Based on this research, we can further know the relationships between nitrogen availability and SOC stability, and offer the proofs for the management of SOC pool in coastal wetlands. |
| 中文关键词 | 氮素形态 ; 土壤有机碳 ; 湿地 ; 黄河三角洲 |
| 来源机构 | 聊城大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/346982 |
| 推荐引用方式 GB/T 7714 | 陶宝先.不同形态氮输入对黄河三角洲芦苇湿地土壤碳库稳定性的影响.2016. |
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