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作 者 ：赵广琦 陈一鹗

期 刊 ：西北植物学报 2001年 2期

关键词：陕北；天然草场；类型；改良；植被；

Keywords:North Shaanxi, natural grassland, types, improvement,

摘 要 ：对陕北天然草场的植物种类组成，地域分布和群体生产力进行了调查和分析，将本区草场资源划分为6个类型，干草原草场，草甸草原草场，草本半灌木草场，灌木草丛草场，低湿地草甸草场及农林隙地杂类草草场，根据各类草场利用中存在的问题，提出了合理开发和改良的措施。

Abstract:The investigation and analysis of natural grassland in North Shaanxi were conducted throughout the species composition,region distribution and community productive forces.The grassland resources were distributed six types:dry grasslands grassland,grassy m

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