云南高原黑荆树生态经济性状的初步评述

A Preliminary Commentary on EcologicaI Economy Characteristics of Acacta mearnsii in Yunnan Plateau

本文从黑荆树在云南高原的广阔适生范围，适生表现（速生习性、固氮改土能力、涵水保土效益），多种用途及经济意义方面，评述了该树种引种云南后的生态经济性状表现。

This paper reviews ecological economy characteristics of Acacia n1earnsii after in-troduced in suitable area in Yunnan. Its many utility and economy sense such as bioclimaticanalysis,the habit of fast-growth,the ability of nitrogen fixation,and the abiIity to improvethe soil,the ecological efficiency of souand water conservation ect。