科尔沁沙地林农复合经营综合效益评价

对科尔沁沙地奈曼旗的6种林农复合经营模式的经济效益、生态效益和社会效益进行调查，并对其综合效益进行分析，筛选出不同治理模式下综合效益最大的种植模式。选取14个评价指标，构建沙地综合效益评价指标体系，运用集对分析法对6种治理模式做出综合效益评价。结果表明，沙棘—苦参治理模式在经济效益方面纯收益最大，投资回收期最短；生态效益方面，化肥使用量最低，服务价值大；社会效益方面，人均纯收入最高，收益稳定，农户易理解接受；综合效益方面，通过计算相对贴近度，大小依次为沙棘—苦参模式（0.697 9）>塞外红模式（0.593 1）>沙果模式（0.493 6）>元宝枫—万寿菊模式（0.490 4）>火炬树—万寿菊模式（0.425 1）>樟子松—万寿菊模式（0.319 9）。

Comprehensive Benefit Evaluation of Agroforest Management in Horqin Sandy Land

The economic benefits, ecological benefits and social benefits of 6 agroforest management models in Naiman Banner of Horqin sandy land were investigated, and the comprehensive benefits were analyzed to screen out the planting models with the largest comprehensive benefits under different governance models. Select 14 evaluation indicators to construct a comprehensive benefit evaluation index system for sandy land, and use the set pair analysis method to make comprehensive benefit evaluations on 6 governance models. The results showed that the Hippophae rhamnoides-Sophora flavescens management model had the largest net income in terms of economic benefits and the shortest investment payback period; in terms of ecological benefits, the use of chemical fertilizers was the lowest, and the service value was the largest; in terms of social benefits, the net income per capita was the largest, and the income was stable, which was easy for farmers to understand and accept; in terms of comprehensive benefits, by calculating the relative closeness, the order of size was Hippophae rhamnoides-Sophora flavescens model (0.697 9)>Xantolis stenosepala model (0.593 1)>Malus asiatica model (0.493 6)>Acer truncatum-Tagetes erecta model (0.490 4)>Rhus typhina-Tagetes erecta model (0.425 1)>Pinus sylvestris var. mongolica-Tagetes erecta model (0.319 9).