1) elevated CO2 and O3
CO2和O3浓度升高
1.
In global change trend,the studies on effects of elevated CO2 and O3 on plant-soil ecosystem become hotspot matter and obtain determinate harvest.
在全球变化趋势下,CO2和O3浓度升高可改变植物群体组成,碳在地下生态系统的分配等最终间接地改变土壤化学特性。
2) elevated ozone concentration
O3浓度升高
1.
This paper simulated the photosynthetic physio-response of Quercus mongolica,a main greening tree species in Shenyang urban forest,under elevated ozone concentration.
近地层O3浓度的增加已经成为当今环境科学研究的热点问题之一,该文主要模拟沈阳城市森林的常用绿化树种蒙古栎对近地层O3浓度升高的光合生理响应,为沈阳市城市森林树种的选育提供理论依据。
3) elevated CO2 and O3 concentration
高浓度CO2与O3
4) elevated atmospheric CO2 concentration
CO2浓度升高
1.
This paper reviews the current researches about the effects of elevated atmospheric CO2 concentration on photosynthesis, including photosynthetic pigment content varies differently in different plants and photosynthetic rate increa.
大气CO2浓度升高对植物光合作用的影响主要体现在:对不同植物的光合色素含量均有影响,但结果有所差异;短期处理光合速率提高,而长期处理则可能出现光合适应,其适应机理目前尚存在分歧;不同光合类型植物的叶片形态结构有不同的响应结果,叶绿体超微结构也明显变化;生物量和产量提高。
5) elevated CO2 concentration
CO2浓度升高
1.
The results showed that elevated CO2 concentration had positive effects on tree height,stem diameter,stem cross sectional area and biomass of red birch seedlings.
应用封闭式生长室系统,研究了川西亚高山红桦(Betula albo-sinensis)幼苗根、茎、叶和枝中碳水化合物含量及其分配和主要生长指标对大气CO2浓度升高(EC,Elevated CO2,环境CO2浓度+350(±25)μmol。
2.
were reviewed in three aspects: interactions between elevated CO2 concentration and temperature,interactions be.
从CO2浓度升高与温度、CO2浓度升高与干旱的相互作用以及三者协同作用3个方面,总结了近年来国内外关于全球变化对植物生理生态过程(包括光合作用、呼吸作用、水分利用率、化学成分以及生物量积累等方面)影响的研究进展,在此基础上指出未来全球变化背景下植物生理生态的研究应在分子水平上进一步深入,同时应加强CO2浓度升高与温度、土壤水分三者协同作用对植物影响的研究。
3.
As affected by elevated CO2 concentration (1000 μmol·mol-1), the biomass per plant increased by 44.
结果表明:CO2浓度升高(1000μmol·mol-1)条件下,马来眼子菜单株的平均生物量增加了44。
6) elevated CO2
CO2浓度升高
1.
FACE (free-air carbon dioxide enrichment) in China was used to study the effects of elevated CO2 and N supply on the availability of microelements in soils during the wheat growing season.
利用中国的稻/麦轮作FACE(Free Air Carbon-dioxide Enrichment)平台技术,研究大气CO2浓度升高(比周围大气高200μmol·mol-1)和不同施N水平(常氮,250kgN·hm-2;低氮,150kgN·hm-2)对麦田土壤微量元素有效性的影响。
2.
The results showed that elevated CO2 significantly increased the dry matter accumulation of shoot and root,and root/shoot ratio of tomato seedlings no matter P was deficient or not.
结果表明,无论缺磷与否,CO2浓度升高均能显著增加番茄地上部及根系的干物质积累量,提高根冠比。
3.
Crown width,crown depth,crown surface area and crown volume were all stimulated by elevated CO2 and reduced by elevated planting density.
研究了两个种植密度下,红桦(Betula albosinensis)苗冠结构特征对CO2浓度的响应,在此基础上探讨了CO2浓度升高对植物竞争压力的影响。
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