光皮桦林优势树种间的竞争

Competition Among Dominant Species in Forest of Betula Luminifera

研究了福建省卫闽光皮桦林内优势树种间的竞争关系。结果表明 :光皮桦与锥栗、枫香、拟赤杨间的竞争较为激烈 ,并且光皮桦与锥栗、光皮桦与丝栗栲之间达到了暂时相对稳定的平衡。另外 ,光皮桦在与其它主要伴生树种的竞争中 ,目前处于优势地位。

The competition among dominant species of Betula luminifera forests at Weiming, in Fujian province, has been discussed. The results show that Betula luminifera competes with Castanea henryi, Liquidambar fomosana, Alnipyhllum fortunei. But relative stability balance exists in Betula luminifera and Castanea henrv or Betula luminifera and Castanopsis fargesii . In competition with other accompanying species, the Betula luminifera is a predominant tree at present.