It is show that the medium artificial interferences to be helpful for herb layer renewing, but unhelpful for shrub layer.
说明人为中度干扰有利于草本层的更新,但是不利于灌木层的更新。
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。
Then the coverage and density equations of shrub layer, herb layer and main twelve plants are found by method of stepwise regression.
最后,建立了灌木层、草本层和十二种主要植物生长量与环境因子的数学模型。
The ratio between underground biomass and aboveground biomass of shrub and herb layer increases first, and then decreases with the rising of elevation.
灌木层、草本层地下部分与地上部分的比值随海拔的升高均呈先增加后减少的趋势。
The biomass of herb layer is reducing and the thickness of litter is increasing.
草本层生物量在减少,枯落物的覆盖厚度在增大。
Herb layer coverage density was lower and the species fewer.
草本层的盖度和物种数偏低。
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。
The growth of the bush layer and herb layer would not be neglected when allocating pioneer plants.
提出在配置先锋群落时,要兼顾灌木层和草被层的生长;
The litter layer in forest gaps was thinner than that under the canopy, the composition of the litter layer was herb remains and root twister while that was in half decomposition;
林隙土壤的枯枝落叶层比林下薄,其组分主要是草本和根系盘结物且呈半分解状态;
The litter layer in forest gaps was thinner than that under the canopy, the composition of the litter layer was herb remains and root twister while that was in half decomposition;
林隙土壤的枯枝落叶层比林下薄,其组分主要是草本和根系盘结物且呈半分解状态;
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