Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31360109 |
| 荒漠河岸林优势种凋落物分解机制研究 | |
| 吕瑞恒 | |
| 主持机构 | 塔里木大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 480000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 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 | Desert riparian forest is the main vegetation communities in extreme arid regions of Xinjiang. It has a vital role to improve the ecological environment,contain desertification, protect biodiversity and so on . In recent years, the upstream water supply has been dwindled, the River drying phenomena in the downstrem has often happened，because of the massive irrational land and water use along the Tarim River. Those lead to the fragile desert riparian forests severely damaged. Meanwhile, with the deterioration of the soil, water and salt environment, the coastal vegetation communities have shown the gradually decline trend. Litter as a nutrient carrier is the primary part of the forest ecosystem and the basis soil material which is critical role to improve tree nutrition and forest productivity, maintain the ecosystem balance. With the background of riparian vegetation degradation and poor management in the desert , this study will be established. And the research on typical desert riparian vegetation communities of litter decomposition mechanism will be carried out to recognize the desert riparian vegetation litter decomposition characteristics, understand effect between the biological and abiotic environment to the litter decomposition and interaction characteristics between environmental factors, seek the restrictive key factors to decomposition of various types of litter and illustrate the forest litter effect to the desert riparian forest ecosystem nutrient cycling. This study will provide the necessary theoretical basis and data support for sustainable management of the desert riparian forest vegetation. |
| 中文关键词 | 荒漠河岸林 ; 凋落物 ; 分解 ; 生境 |
| 来源机构 | 塔里木大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344236 |
| 推荐引用方式 GB/T 7714 | 吕瑞恒.荒漠河岸林优势种凋落物分解机制研究.2014. |
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