中文摘要：

氮(N) 为自然沼泽地生态系统是最重要的部件和生态的因素之一。它主要从流量输入，大气的免职，和生物 N 固定被导出。在自然沼泽地的 N 的运输和转变首先发生在 hyporheic 地区(HZ ) ，经常是的加强的 biogeochemical 活动的一个缓冲区区域在沼泽地认为是 N 的水池，来源，和变换器。在 HZ 的 N 变细的主要方法是 denitrification，厌氧的氨氧化(anammox ) ，和沼泽地植物吸附。N 周期上的内部、人的因素的效果在这篇文章被说明。当 N 变细被内部因素影响时，结果显示 N 来源被象农业活动和石块燃烧那样的人的因素影响，包括氧集中，碳和磷可获得性， pH 并且啊变化，和微生物行动。最后，一些研究趋势被提供在自然沼泽地的 HZ 得到 N 周期的更好的理解。这研究可以在在各种各样的因素之间的 HZ 和他们的相互作用提供 N 周期的一个清楚的观点。

英文摘要：

Nitrogen （N） is one of the most important components and ecological factors for natural wetland ecosystems. It is mainly derived from runoff input, atmospheric deposition, and biological N fixation. The transport and transformation of N in natural wetlands primarily occur in the hyporheic zone （HZ）, a buffer area of intensifted biogeochemical activity that is often regarded as the sink, source, and converter of N in wetlands. The main ways of N attenuation in the HZ are denitrification, anaerobic ammonia oxidation （anammox）, and wetland plant adsorption. The effects of internal and human factors on the N cycle are illustrated in this article. The results indicate that N sources are influenced by human factors such as agricultural activities and fossil combustion, while N attenuation is affected by internal factors, including oxygen concentration, carbon and phosphorus availability, pH and Eh changes, and microorganism actions. Finally, some research trends are provided to get a better understanding of the N cycle in the HZ of natural wetlands. This study may provide a clear perspective of N cycle in the HZ and their interactions between various factors.