作物生态适宜性模糊综合评判中权重矩阵量化方法及其应用

在作物生态适宜性模糊综合判评中 ,不同生态类型的生态因子组合状态、各生态因子的重要性、主导限制性因子不同 ,需要把权重向量扩展、改造为模糊权重矩阵 .本文根据系统结构决定系统功能的原理及边际生产力理论 ,探索出模糊权重矩阵的量化处理方法 .通过对陕南山区猕猴桃生态适宜性综合评判的具体应用 ,表明该方法能灵敏反映短线因子的限制性作用 ,符合实际状况 ,结论可靠 .

Quantification Method of Weight Matrix in Fuzzy Synthetically Judgment for Corps Ecology Suitability and Its Application

In the fuzzy synthetically Judgment for crops ecology suitability, different ecology type of ecology factors organizational state, each ecology factors importance and main limited factors are different, therefore it is necessary to extend and rebuild Weight Vector to Fuzzy Weight Matrix. According to the theory, which the system function is decided by system structure, the paper found the positive method of Fuzzy Weight Matrix and applied it to Mihoutao suitability synthetic judgment in mountain area of South Shaanxi, the consequence showed that the method can correctly reflect short-factor′s constraint function and the conclusion is in accordance with practice, so conclusion is reliable.