河流健康评价的尺度转换问题初探

河流健康评价是一种兼顾合理开发利用和生态保护的综合评估体系 , 影响河流健康的主要因素、决策者的总体目标、管理行为都与河段空间尺度有关。河流健康评价首先要明确的关键问题就是尺度的问题。介绍了河流生物斑点、工程河段、景观河段和全河长 4 个尺度划分，对各尺度健康评价之间的关系进行了描述，并通过对汉江上游河段的分析与计算，说明尺度转化关系的合理性，也表明汉江上游河段河流健康程度总体是好的。

Conversion of Different Parameter Criterions in River Health Assessment

Assessment of river health is a comprehensive assessment system which involves both the rational development and the ecosystem protection.Because the primary factors of influencing river health,and general goal and management of decision-maker all are related to spatial criterion.The key problem of the assessment is to clarify and apply spatial criterion.A brief introduction of spatial criterion including biological spot,project stretch,landscape stretch and entire river is given,also the relations among th...