摘要
思茅翠云石灰岩地区森林是一种热带北缘森林类型,群落面积462 07km2.经野外详细的采集调查,共有维管束植物133科248属348种,其中种子植物107科240属340种、亚种和变种。森林群落为原生性状和次生性状两种类型构成。种子植物分布区类型组成是:热带、主产热带或主产亚热带的科占总数的71 0%,热带分布属占总属数的72 5%,其中,16 7%为热带亚洲分布属,分布区类型组成表明,该植物区系属于热带边沿性质,是热带亚洲区系的一部分。由于该区地理位置特殊,是许多热带植物的分布北界,同时又是几种热带和亚热带植物成分的交汇地带,使翠云石灰岩森林植物区系带有热带边沿性质和几种地理成分交汇的特点。
The plant flora of limestone in Cuiyun Mountain, Simao prefecture is a northedge tropical forest type. It coved an area of 46207 km2. The investigation of Cuiyun Mountain showed that there are 133 families, 248 genera, 348 species fascicular plants, of which, 107 families, 240 genera, 340 species are seed plant, subspecies or variations. The flora belongs to the originality and regrowing plants. Among the seed plant, 710% of the total families and 725% of the genera are tropical and subtropical families and genera. 167% is the Asiantropical distributing genera. From the investigation, this area is a part of Asiantropical flora. As the typical geography location, Cuiyun become mixture plant flora with tropical and subtropical and with the characteristics tropical board combine with the different topography.
出处
《云南农业大学学报》
CAS
CSCD
2003年第4期327-331,共5页
Journal of Yunnan Agricultural University
