生态技术评价平台与集成系统框架设计（英文）

Framework Design of Eco-Technology Evaluation Platform and Integration System

在全球范围内生态退化问题形势日益严峻,同时也受到极大关注。从上世纪早期以来,美国、欧洲以及国内就开始采用生态技术开展生态系统的治理与修复,以减缓或解决已有生态退化问题。直到目前,还没有一个对现有生态技术的系统汇总和科学评价,也没有一个针对不同区域生态退化问题生态技术集成平台,阻碍了生态技术的推广和应用。本研究试图开发一个生态技术评价平台与集成系统来综合多源异构生态技术数据.该系统构建的关键技术是信息集成。本研究将以元数据仓储为核心,建立元数据引擎,实现对元数据和异构数据源的访问与集成,通过构建基于元数据的信息集成模式,解决信息在系统、语法、结构和语义四个层次的异构问题。本研究基于元数据和元模型集成模式,设计了生态技术评价平台与集成系统框架,集成生态技术库、生态评价模型库、生态评价参数库以及生态退化和生态技术的空间数据库,利用GIS技术开发生态技术评价平台与集成系统,实现全球与典型区生态退化查询与显示、生态技术查询与显示、生态技术评价、生态技术筛选等功能,实现全球和中国生态退化、生态技术评价和生态技术筛选的可视化,为政府决策和相关部门了解生态退化状况和生态技术实施效果提供有力支撑。

Global ecological degradation is a matter of enormous concern. In the early 20 st century, the United States, Europe and China began to apply eco-technology to ecosystem management and restoration in order to slow down or stop ecological degradation. To date, there has been neither a systematic summary and scientific evaluation, nor is there a unified platform to describe ecological degradation problems in different areas and existing eco-technologies. These shortcomings have hindered the popularization and application of technologies. This study intends to build an eco-technology evaluation platform and integration system that brings together heterogeneous data from multiple sources. The key technology of the eco-technology evaluation platform and integration system is information integration technology. We will establish a metadata engine based on metadata storage to achieve access to and integration of metadata and heterogeneous data sources. The information integration mode based on a metamodel addresses information heterogeneity at four levels： system, syntax, structure and semantics. We develop the framework for an eco-technology evaluation platform and integration system to integrate ecotechnology databases, eco-technology evaluation model databases, eco-technology evaluation parameter databases and spatial databases of ecological degradation and eco-technology with metadata and metamodel integration mode. This system can support functions for the query and display of global and typical ecological degradation and the query, display, evaluation and prioritization of eco-technologies, which can realize the visualization of global and Chinese ecological degradation and eco-technology evaluation and prioritization. This system will help government decision makers and relevant departments to understand ecological degradation and the effects of ecotechnology implementation.