山区耕地保护对于保障我国的耕地红线和粮食安全都具有十分重要的意义。本研究拟以武陵山区为例，以农户调查数据为基础，研究山区农村劳动力转移对耕地保护的影响及其作用机制。主要包括以下研究内容：一是调查武陵山区的农村劳动力转移现状和土地利用现状；二是分析山区农村劳动力转移对耕地保护的影响。以问卷调查数据为基础，分析山区农村劳动力转移对农户耕地保护态度、行为和强度的影响，着重分析山区农村劳动力转移对耕地撂荒和土地流转的影响；三是阐明山区农村劳动力转移对耕地保护的作用机制。构建山区农户耕地保护行为和耕地保护强度的影响因素模型，找出山区农村劳动力转移背景下农户保护耕地的影响因素和关键变量，着重分析山区农村劳动力转移带来的务农机会成本变化对耕地保护的作用机制；四是提出山区农村劳动力转移背景下强化耕地保护的对策建议。

Cultivated land protection in mountainous area is of great importance for the red line of arable land area and national food security in China. Taking WuLing Mountain Area as an example, this research will focus on the impact of rural labor emigration on cultivated land protection in mountainous area and its mechanism based on household investigation data. Specifically, several contents are included in this research. The first is to investigate the current situation of rural labor emigration and land use in WuLing Mountain Area. The second is to analyze the impact of rural labor emigration on cultivated land protection in mountainous area. Based on questionnaire survey data, the impact of rural labor emigration in mountainous area on household’s attitude, behavior and intensity of cultivated land protection, especially the impact on cultivated land abandonment and land transfer, will be analyzed. The third is to illuminate the mechanism of rural labor emigration on arable land protection in mountainous area. Models used to analyze the influencing factors of household’s arable land protection behavior and arable land protection intensity in mountainous area are constructed, to figure out the decisive influencing factors and critical variables of household’s arable land protection on the background of rural labor emigration in mountainous area. Great emphasis is paid on the mechanism of farming opportunity cost change caused by rural labor emigration on cultivated land protection. Finally, proposals are put forward to improve the household’ enthusiasm and behavior of protecting cultivated land in mountainous area, after their family labors migrated out.