摘要 : The main pioneer frontier considered by geographers is the Amazonian pioneer frontier. The occupation of the Brazilian territory has been carried out through successive economic cycles. Currently, the expansion of soybean crops in... 展开
作者 | Arvor~ D. Dubreuil~ V. Sim?es~ M. Bégué~ A. |
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作者单位 | |
期刊名称 | 《GeoJournal》 |
总页数 | 18 |
语种/中图分类号 | 英语 / 56.5 |
关键词 | Agricultural frontier Agricultural intensification Amazonia Crop expansion Deforestation Remote sensing |
馆藏号 | N2008EPST0000790 |