筛选
科学数据
统计数据
共检索到31条 ,权限内显示50条;
Great Plains Population and Environment Data: Biogeochemical Modeling Data, 1860-2003 [United States];;Version 1
- 负责人:
- 关键词:
- DOI:
- doi:10.3886/icpsr31681.v1
- 摘要:
- d as the basis for simulating the agricultural histories of the counties. The assignment was made by identifying agro-ecological patterns through an average mea