中文摘要：

数据文档是科学数据的必要补充，完善的数据文档对于未知的数据用户是非常有价值的，西部环境与生态科学数据中心为方便广大数据用户使用数据，尽量详细介绍与数据相关的背景知识，数据属性、数据的使用方法和数据的应用状况，同时也为了尊重和保护数据生产者的知识产权，在文档里详细给出数据的引用方法，并提供与数据生产相关的文献信息，针对特色数据集和“中国西部环境与生态科学研究计划”汇交数据撰写文档，在网络上实现无限制浏览与下载，并实现Wiki系统的协同写作。

英文摘要：

Data description document is a necessary complement to scientific data, high quality description of sc, ientific data to unknown users is valuable. To make users convenient, the data description documents were written as detail as possible in the Environment and Ecological Science Data Center for Western China, such as, background information, data property, data usage, data applications and data limitations, but also to respect and protect intellectual property rights of data producers, the reference method is drawn up and literatures on data producing are provided as more as possible. Our data center provides perfect data description documents for special regional data sets and data sets from ＂The Western Environment and Ecology Research Programmer＂, these documents can be viewed and downloaded from our website （http：//westdc.westgis.ac.cn） without any limitation, and can be realized synergies writing via Wiki system.