宁夏罗山种子植物区系研究

Study on the Seed Plant Flora of Luoshan in Ningxia

为了研究宁夏罗山国家级自然保护区植物区系科的性质与特点,于2006—2010年对其植物种类进行了野外调查,标本采集,鉴定分类及统计和分析.结果表明,宁夏罗山自然保护区内种子植物有64科、203属、365种,种子植物种类丰富;保护区植物区系年轻,地理成分复杂,具有明显的温带性质;植物区系处于青藏高原植物区系、华北植物区系和蒙古植物区系的过渡区;特有种缺乏.可为宁夏植物地理研究、植被保护以及资源开发和利用提供参考.

In order to study the nature and characteristics of flora of Ningxia Luoshan national nature reserve, the plant species are statistical analysis based on field investigation, collection of specimens and taxonomic identification from 2006 to 2010. The results showed that there are 365 species of seed plant in Luoshan nature reserve, belonging to 64 families, 203 genera. Species of Luoshan nature reserve was rich, the seed flora composition was young, the geographical element was complex, the floristic elements in the family and genera were mainly North temperate. And the flora was transitional area among Tibetan plateau flora, North china flora and Mongolia flora and absent of endemic elements. It can provide reference for the study of plant geography, vegetation protection, resource development and utilization of Ningxia.