The mean ash content increased in an order from tree layer, shrub layer to herb layer, while those of GCV and AFCV decreased.

从乔木层、灌木层到草本层，灰分含量依次增加，GCV和AFCV则依次降低。

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The GCV and ash-free caloric value (AFCV) decreased in the following order: lianas, tree layer 1, tree layer 2, shrub layer and herb layer. The AFCV differed among various components.

各层优势种平均干重热值和去灰分热值都表现为：层间藤本>乔木1层>乔木2层>灌木层>草本层。

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