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Dr. Constanza Sanchez is an ostrich breeder who runs a farm in a small town north of Mexico City .

在墨西哥城北边的小镇，经营农场的史坎兹，是一位鸵鸟培育者。

In the context of the Agreement , UNEP organized a Regional Training Seminar for Port Enforcement Officers in Constanza , Romania , from 5 to 9 November 2001 .

在协定的框架内，环境规划署于2001年11月5日至9日在罗马尼亚康斯坦察举办了一次港口执法官员区域培训班。

Referring to the methodology of constanza et al , and based on the biomass of Inner Mongolia steppe , authors of this paper assessed the total value of the steppe ecosystem services by various economic calculative methods .

本文参照Constanza等的思路与方法，以内蒙古典型草原生态系统有机物生产为基础，分别采用市场价值法、替代市场法等估算其主要服务功能的经济价值。

Based on dynamic data of land use in Hunan Province by RS and GIS , this dissertation analyzed changes in land use and ecosystem service value by using the evaluation model of ecosystem services which was put forward by Constanza , with referring to the table of Chinese land ecosystem service value of unit area .

为研究区域生态系统服务功能的变化，运用GIS和遥感技术，提取得到湖南省土地利用动态数据，以此为基础，应用Constanza提出的评价模型，参照中国陆地生态系统单位服务价值系数，评估分析研究区的生态系统服务价值变化。