数字农科院2.0

Improved global cropland data as an essential ingredient for food security

文献类型： 外文期刊

作者： See, Linda;Fritz, Steffen;van der Velde, Marijn;McCallum, Ian;Kraxner, Florian;Obersteiner, Michael;You, Liangzhi;Ramankutty, Navin;Herrero, Mario;Justice, Chris;Becker-Reshef, Inbal;Thornton, Philip;Ericksen, Polly;Erb, Karlheinz;Erb, Karlheinz;Gong, Peng;Gong, Peng;You, Liangzhi;Tang, Huajun

作者机构：

关键词： Cropland;Land cover;Food security;Crowdsourcing;Data sharing

期刊名称： GLOBAL FOOD SECURITY-AGRICULTURE POLICY ECONOMICS AND ENVIRONMENT

ISSN： 2211-9124

年卷期： 2015 年 4 卷

页码：

收录情况： SCI

摘要： Lack of accurate maps on the extent of global cropland, and particularly the spatial distribution of major crop types, hampers policy and strategic investment and could potentially impede efforts to improve food security in an environment characterized by continued market volatility and a changing climate. Here we discuss the pressing need for the provision of spatially explicit cropland datasets at a global scale and review the strengths and weaknesses of the various approaches used to develop such data. (C) 2014 The Authors. Published by Elsevier B.V.

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