关于城市绿地生态评价不同指标的比较

Compare about that urban green land organism's habits valuation is unlike an index's

本世纪以来,国内外学者对城市绿地的功能从多方面开展了大量的研究,并在不同的立地条件下采取不同的测试方式,取得了众多的量化值,提出了叶面积指数、郁闭度、绿地率、绿化覆盖率、绿量、绿化三维量、绿视率、复层绿色量、绿化建设指数等20多种指标。本文将对城市绿地生态评价指标的概念及计算方法进行详细阐述,并比较某些指标之间的差别,还将对我国目前城市绿地生态评价指标提出一些自己的看法。

In this century, the functions of green space are studied by many scholars from various aspects, and many quantitative val-ues are gained at different conditions with different test methods. More than twenty green building indexes such as leaf area index, crown density, green area ratio, green coverage ratio, vegetation quantity and so on are put forward. This article will discuss the con-ception and calculation methods of these indexes, comparing the differences between some indexes and propose some opinions of green space ecological evaluation of our country nowadays.