文章基本信息

标题：Annual rainfall variability and economical dependency of smallholder agriculture in the semi-arid northeastern region of Brazil
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作者：Florian Selge ; Heinrich Hagel ; Günter Gunkel 等
期刊名称：Revista Brasileira de Ciências Ambientais
印刷版ISSN：1808-4524
电子版ISSN：2176-9478
出版年度：2015
期号：36
页码：155-167
DOI：10.5327/Z2176-947820151009
出版社：Associação Brasileira de Engenharia Sanitária e Ambiental
关键词：agricultural production; livestock; Pajéu River watershed; rainfall; water scarcity