Impact of grain for green project on landscape pattern in hilly loess region in Southern Ningxia: landscape evolution process assessment of Zhong-zhuang-cun small watershed in 1993-2005 Food security in ‘Grain for Green Project&rsquo|area of North Shaanxi based on households. Response of soil organic carbon sequestration to the "Grain for Green Project" in the hilly Loess Plateau region Assessment of the impact of Grain for Green project on farmers‘ livelihood in the Loess Plateau Evaluation of carbon storage and the carbon sequestration potential under cutting and no-cutting scenarios for the Grain for Green Project in Western Henan, China