Establishing a dynamic US federal national vegetation classification process standard in partnership with non federal partners

摘要：

Introduction The overall purpose of this Federal National Vegetation Classification Standard ( NVC ) is to support the development and use of a consistent national vegetation classification in order to produce uniform statistics about vegetation resources across the nation,based on vegetation data gathered at local,regional,or national levels.

关键词： vegetation types vegetation classification

作者: Ralph H.Crawford

作者单位: US Forest Service Research and Development,1601 North Kent Street RPC-4,Arlington,Virginia 22209

会议类型: 国际会议

会议名称: 2008世界草地与草原大会

会议地点: 呼和浩特

会议语种:英文

在线出版日期: 2008-06-29（万方平台首次上网日期，不代表论文的发表时间）