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Standing Crop of Energy in Ormosia xylocarpa Community
Author(s): 
Pages: 37-40
Year: Issue:  1
Journal: JOURNAL OF NANJING FORESTRY UNIVERSITY(NATURAL SCIENCE EDITION)

Keyword:  木荚红豆灰分热值能量;
Abstract: 在生物量调查和热值测定的基础上,研究了三明莘口教学林场34年生的木荚红豆群落的能量现存量.结果表明:木荚红豆群落地上部分各组分的灰分含量、干重热值(GCV)、去灰分热值(AFCV)均以叶最高;地下部分的灰分含量、GCV、AFCV基本随根径的减小而增加.木荚红豆群落的灰分含量平均值乔木层<灌木层<草本层,而GCV、AFCV平均值乔木层>灌木层>草本层,其群落的能量现存量为4839.20×109J/hm2,其中地上部分为4170.92×109J/hm2(占86.19%),地下部分为489.10×109J/hm2(占10.11%),群落的能量现存量96.30%分布在乔木层,其分布与生物量的分布基本一致.
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