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 .
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 .
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 .
