Effects of Slope on Population Growth and Biomass Allocation of Polygonatum cyrtonema in Phyllostachys edulis Forest
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Research institute of Subtropical Forestry,Chinese Forestry Academy,Research institute of Subtropical Forestry,Chinese Forestry Academy,Research institute of Subtropical Forestry,Chinese Forestry Academy,Research institute of Subtropical Forestry,Chinese Forestry Academy,Research institute of Subtropical Forestry,Chinese Forestry Academy

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    Abstract:

    The?growth and biomass??allocation of Polygonatum cyrtonema at different slope positions were studied under extensive managed and?structure consistent Phyllostachys edulis forest. The results showed that population density, leaf chlorophyll?values, biomass accumulation of leaves and roots, and biomass distribution pattern in leaves, roots and?tubers of P. cyrtonema had no significant differences among different?slope?positions in bamboo forest. The biomass distribution patterns of P. cyrtonema at different?slope?positions were order as?tuber biomass > root biomass > leaf biomass ≈ stem biomass, and tuber biomass was?more than 70% of total biomass, while biomass?allocated in roots, leaves, and stems were uniform.?There was obvious slope effect on population growth, biomass allocation of Polygonatum cyrtonema in bamboo forest. Under consistent of stand structure?and management in?bamboo forest, lower slope was considered to compound management with P. cyrtonema.

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樊艳荣,陈双林,杨清平,李迎春,郭子武.陡坡地毛竹林多花黄精种群生长和生物量分配的坡位效应[J].热带亚热带植物学报,2012,20(6):555~560

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History
  • Received:December 26,2011
  • Revised:February 15,2012
  • Adopted:April 16,2012
  • Online: November 14,2012
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