生物量

Days later after root cutting, the aboveground biomass of the treatment of root cutting was lower than the check.

收获时在80%田间持水量条件下，谷子生物量提高在1.5-24.7%之间；50%田间持水量时，生物干重降低幅度在2.9-19.0%之间。

VA mycorrhizae could enhance plant dry weight and improve plant P concentration, as well as increase the resistance to drought and water utilization efficiency under water stress and normal water supply at the same P application level.

在水分胁迫和正常供水条件下，施磷量相同，接种菌根组的地上和根系生物量干重显著高於不接种组，干物质累积增加，减轻水分胁迫对植株生长的抑制程度，改善了植株体内磷素养分状况，提高了白三叶对土壤磷的有效利用及水分利用率。

SEASONAL VARIATION OF NUTRIENTS IN THE FIRST YEAR SEA ICE NEAR ZHONGSHAN STATION, EAST ANTARCTICA

南极中山站近岸海冰生态学研究Ⅳ。海冰营养盐浓度的季节变化及其与生物量的关系

SEASONAL CHANGES OF CHLOROPHYLL A AND OCEANO GRAPHIC CONDITIONS UNDER FAST ICE OFF ZHONG SHAN STATION,EAST ANTARCTICA IN 1992

南极中山站近岸海冰生态学研究Ⅱ。1992年冰下水柱浮游植物生物量的季节变化及其与环境因子的关系

However, the functional groups in the lower canopy or understorey layer, which had smaller buttress or lighter seed mass, had weak indication to environmental changes.

应用物种的相对生物量、相对胸高断面积、相对多度、相对频度和重要值等5种方法，分别确定了各功能群的关键种。

It is not only connected with carbondioxide output of bio-body and also with maintenance in soil carbon bank. It is a fundamental basis of function and process and takes a guiding role in terrestrial vegetation carbon bank.

森林生物量不仅联系着生物CO〓的排放量，而且维持着土壤碳库的贮存，是生态系统功能、过程的重要基础，它在陆地植被的碳库中起着主导作用。

Pyramid of biomass A type of ecological pyramid based on the total amount of living material at each trophic level in the community, which is normally measured by total dry weight or calorific value per unit area or volume, and shown diagrammatically.

生物量金字塔：指基于群落每个营养水平上有生命的物质总量的一种生态金字塔类型，通常通过总干重或者每单位面积或体积的生热量值来衡量，并用图表表示出来。

After that, the main aim of this study is to determine the ratio between the reaction rates in a continuous stirred tank reactor rS(CSTR and that in a packed-bed bioreactor with immobilised biomass rS

在那之后，主要的目的是为了确定该研究的反应速率之间的比例在连续搅拌釜式反应器，寻在填充床生物反应器和固定生物量

In order to screen out fine pastures adapted to the east seashores of China,Spartina patens mutant lines induced by low energy heavy ion were grown in a simulating the seashore condition outdoors.A comparison of biomass and photosynthetic ability among 10 mutant lines had been carried out,contents of main organic and inorganic nutritients and main heavy metals in above-ground parts of each line were assayed.

为从经低能重离子诱变的狐米草突变系中筛选出适合在滩涂生长、营养丰富的牧草株系，在前文比较了模拟滩涂环境种植的各突变系生物量和光合能力的基础上，本文进一步检测了几种主要有机和无机营养成分含量以及几种主要重金属污染元素在各突变系地上部分的积累量。

This means that the species composition of functional group has significant effect on the biomass of functional group.

与正常对照相比，干旱胁迫条件下优势物种和功能群组成对样地生物量的影响作用明显改变。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。