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长白山高山冻原种子植物的调查
周繇;
通化师范学院生物系 吉林通化134002
摘要:
通过多次对长白山高山冻原的实地考察,统计得到冻原种子植物共计34科、94属、146种,有6种属的分布区类型(包括3个变型),北温带分布类型最多,占总属数的68.09%。在整个冻原上,草本有125种,占总数的85.62%,其中多年生草本124种。高山冻原植物中具有多种生态,生理适应方式,低矮平卧状植株、极矮小草本、密集丛生是植物的重要适应方式,细长密集须根是冻原上主要的适应方式,占植物总数的54.94%。果实中干果共计137种,其中蒴果56种。由于高山冻原上生态环境十分残酷,极易受人为因素的影响。
关键词:  种子植物    高山冻原    长白山
DOI:
分类号:
Fund project:中国科学院科学数据库研究项目~~
Abstract:
Key words:  
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