地下生物

盐浓度和pH值梯度以及二者间的交互作用对苜蓿幼苗地上、地下生物量和存活率均有极显著影响。

Survival rate , belowground biomass and aboveground biomass of the seedlings were affected by salinity , pH and their interactions .

株高、凋落物量及地下生物量在两者间差异不明显，碱化草甸土型羊草群落土壤呼吸及凋落物分解排放的CO2量均高于风沙土型。

CO 2 releasing from soil respiration and litter of Leymus chinensis community in meadow alkali soil is more than that in wind sand soil .

400mg／kg有利于杨梅叶蚊母树平均单株生物量、平均地下生物量的形成。

Its average individual biomass and average underground biomass were speeded up at the concentration of 400mg / kg .

随着沙漠化的进展，群落盖度、密度、物种丰富度、生物量和相邻两个梯度间p多样性指数均呈下降趋势，地上生物量／地下生物量比值变化不大。

With the process of the sandy desertification , the coverage , density , number of species , biomass and diversity index of community decreased . The ratio of biomass aboveground - biomass underground did not changed significantly .

而从整个生长期时间尺度上看，水稻田土壤CO2的排放通量主要受到5cm土壤温度和水稻地下生物量的影响。

Rice root biomass and 5 cm depth soil temperatures were the major factors influencing soil CO_2 emissions during the entire growing season .

通过接种牧草植物地上、地下生物量的全面分析表明：VA菌根菌及根瘤菌均对五种牧草有促进生长的作用；

, Based on the biomass analysis , the result revealed that : both VA Mycorrhizal Fungi and Rhizobium can promote the growth of the five Herbage species .

随着O3浓度的增加，蚕豆地下生物量、根瘤数、蚕豆结荚数和籽粒重量（-S+M处理除外）都呈明显的下降趋势。

Root biomass , nodule number , horsebean pod and grain weight ( excluding the treatment-S + M ) significantly decreased with elevated atmospheric O_3 , but they markedly increased after inoculation with AM fungi .

不同品种的地下生物量差异大，变化幅度在5.78g到21.60g之间，方差分析结果表明：三得利根系生物量最大；

The variable extent of different alfalfa varieties single root biomass was between 5.78g and 21.6g .

结果表明，极旱年地下生物量的峰值达到1249g·m-2，比平水年峰值586g·m-2高1倍多。

The results indicated that the peak value of underground biomass reached 1249 g · m - 2 in extremely arid year , higher than that in normal year ( 586 g · m - 2 ) .

地下生物量呈典型的倒金字塔形，空间分布十分不均匀，多集中在地下0～20cm，围栏内群落地下生物量同样高于围栏外地下生物量。

The under-ground biomass formed a typical reversed pyramid , special distribution was uneven , mainly concentrated in 0 ~ 20 cm under ground . The under ground biomass inside exclosure was also higher than that of the outside .

金川泥炭湿地根系形状特征与地下生物量呈显著线性正相关。

The root traits were positively related with the underground biomass .

花椒杂草系统地下生物量的空间分配格局

Spatial Distribution Patterns of Underground Biomass in the Chinese Pricklyash and Weeds System

金露梅灌丛地下生物量形成规律的研究

Study of formation pattern of below - ground biomass in Potentilla fruticosa shrub

青海扁茎早熟禾地下生物量季节动态变化

Seasonal Dynamics of Underground Biomass of Poa pratensis var. anceps cv . Qinghai

轻度退化草地地下生物量明显高于退化草地。

Belowground biomass in light degraded grassland is higher than in severely degraded grassland .

冬闲田单混播草地地上、地下生物量和总生物量动态及其相关性分析

Correlated analysis and dynamic study on biomass of artificial grassland in winter paddy field

各灌溉量地下生物量的分布与深度呈显著的负对数关系。

There is a significant negative logarithm relationship between the underground biomass of annual T.

物种多样性与地下生物量和地下生产力的关系均未发生显著变化。

Meanwhile , the relationship between species richness and productivity had no significant change .

土壤中生活着丰富的微生物类群，是一个重要的地下生物宝库。

There are abundant microorganism sources in soil .

不同植物群落地下生物量大小受植被类型差异的影响。

The underground biomass size of different plant community was mainly affected by vegetation type .

然后总结了地下生物量在空间和时间上变化规律的研究成果。

And then , we concluded the rule of underground biomass changing in space and time .

滇西北亚高山草地的地下生物量及净初级生产力研究

A study on below-ground biomass and net primary production of sub-alpine meadow in Northwest Yunnan Province

在淤泥质与沙质中，除地下生物量外，其它形态因子与生物量之间没有显著差异；

In clay and sand habitats , there is not significant difference except the underground biomass .

河西走廊几种盐化草地第一性生产力的研究Ⅱ地下生物量的分布特点

The Primary Productivity of Saline Pastures in Hexi Corridor ⅱ the Distributional Features of Underground Biomass

植物的地上和地下生物量都随着丰富度的增加而减少，倾向于负相关关系。

Both aboveground biomass and belowground biomass decreased with species richness increase and inclined to negative relationships .

不同灌水量对高羊茅生长速度、地下生物量的增加影响较显著。

The different irrigation quantity has significant effect on growth rate and underground biomass of Tall Fescue .

地上生物量与地下生物量分配与云南松生态适应对策有关，在幼苗期生物量优先向地下分配。

The distribution of aboveground and underground biomass is related to the adaptation strategies of Pinus yunnanensis .

放牧明显降低土壤含水量及营养含量，从而使得地上及地下生物量的减少。

Grazing significantly reduced soil moisture and nutrient content , making the biomass on ground and below-ground reduce .

结果表明，地上生物量及各土层中地下生物量均以轮牧制较高；

It is showed that the underground biomass for rotational grazing is higher than that for continuous grazing .

低浓度矮壮素能促进分蘖和地下生物量的积累。

Lower concentration of CCC can promote the tillering , increase underground biomass and improve the turf uniformity .