摘要
在冬春季节 ,对内蒙古锡林河中游草原风滚植物进行了调查 ,共记录 12种风滚植物 ,隶属于藜科、伞形科、菊科等 7科。其中 ,一二年生草本植物和多年生草本各 6种 ;旱生、中旱生植物7种 ,旱中生、中生植物 5种 ;在区系地理成分中温带亚洲成分 (6种 )最多。风滚植物是草原枯草期植物的一种存在形式 ,它的存在为积雪的再分配 ,局部土壤水分、养分的改善 ,种子的传播、萌发奠定了基础 ,具有十分重要的生态学意义。
In steppe of middle reach of XiLin River, Inner Mongolia,12 species of wind-rolling plants were recorded,belonging to 7 families (Chenopodiaceae, Umbelliferae, Compositace,etc.). There were 6 species of ephemeretum and 6 species of renascent. 7 species were xerophyte or mesic xerophyte, 5 speices were mesophyte or xeric mesophyte. The elements of the Asia of temperate flora(6 species.)were the most.Wind_rolling plant was an existing form of plant during winter period, it was the base to distribute snow,to improve water and nutrition of local soil, to transmit seeds. It has a very important ecology significance.
出处
《中国草地》
CSCD
2002年第6期43-46,共4页
Grassland of China
基金
国家自然科学基金资助项目 (3976 0 0 2 0 )
