【摘要】 <正> 三江平原位于黑龙江省东北部,是由黑龙江、松花江和乌苏里江冲积形成的低平原,总面积约5万平方公里。目前平原大部分土地覆盖着郁郁葱葱的天然植被,其中沼泽化草甸和沼泽植被约占4/5,是我国沼泽化草甸和沼泽植被分布集中的地区之一。丰富的植被资源为三江平原的农、林、牧、副、渔等综合开发提供了有利条件。笔者多年来对三江平原植被类型、分布规律、演替规律和改造利用等进行了调查与研究,本文是研究的部分成果。更多还原

【Abstract】 The Sanjiang Plain is situated in the Northeast China,it’s a low alluvial plain formed by three rivers:Songhuajiang,Helongjiang,Wusulijiang.The plain is one of concentrated distribution areas of marshland and swamp meadows in our country. The vegetation type in the Sangjiang Plain is comprised of forest,meadow and swamp vegetation,in which vegetation of swampy meadow and marshland is dominant,about 74% of natural vegetation.This paper introduced the classi- fication system of vegetation and describes the costituent,construction and distribution of all vegetation types there (figures and photographs of main types),and the formation and succession regularity of swamp vegetation as well,finally comprehensive utilization and necservation of reginal vegetation resources.更多还原