1) root-free soil respiration
基础土壤呼吸
1.
A Free-Air Carbon Dioxide Enrichment (FACE) system and root-isolation methods were used to study the effects of elevated pCO2 on soil respiration, root-free soil respiration and theirs influencing factors, determined by in sit.
)轮作制中麦田的土壤呼吸、基础土壤呼吸和呼吸主要影响因子,分析了大气CO2体积分数升高后温度与水分对土壤呼吸的影响。
2) soil basal respiration
土壤基础呼吸
1.
00 mg·kg-1),but was inhibited consistently with increasing Cd concentrations;soil basal respiration was restrained at low Cd loading(<1.
00 mg·kg-1时,土壤微生物生物量碳增加,土壤基础呼吸作用略有减弱;随着外加镉浓度的增加,微生物生物量碳呈下降趋势,呼吸作用加强。
2.
However,soil microbial biomass C,N,and soil basal respiration all decreased with PCBs contents increasing in soils.
以多氯联苯(Polychlorinated biphenyls,PCBs)自然污染的农田土壤为材料,分析土壤中微生物区系组成、生物量C、N、土壤基础呼吸以及微生物群落功能多样性的变化。
3) soil basal respiration
土壤基础呼吸作用
1.
Different added lead concentration ranging from 200 mg/kg to 1 200 mg/kg effect on soil basal respiration,soil biomass carbon,metabolic quotient and dehydrogenase activity.
通过室内培养,研究了不同铅添加水平(200~1 200 mg/kg)对青紫泥田微生物生物量碳及土壤基础呼吸作用、土壤代谢商、土壤脱氢酶的影响。
4) soil respiration rate
土壤呼吸
1.
The correction method of soil temperature and soil volumetric water contents to standardized soil respiration rate was adopted.
以徐州垞城矿区复垦耕地为例,对以煤矸石和粉煤灰为充填物的复垦场地土壤的理化性质以及生物学特性——土壤呼吸进行了试验分析。
2.
To investigate the effects of elevated temperature on the soil organic carbon content,soil respiration rate,and soil enzyme activities in subalpine Picea asperata plantations in western Sichuan Province of China,a simulation study was conducted in situ with open-top chambers from November 2005 to July 2007.
采用原位OTCs模拟增温方法,研究了川西亚高山人工云杉林下土壤有机碳含量、土壤呼吸速率及土壤酶活性对温度升高的响应。
3.
The soil respiration rate was measured with an IRGA in the natural Larix gmelinii forest of the Northern Great Xing anling Mountain in the cool temperate zone.
土壤呼吸作为土壤碳的主要输出途径和重要的大气CO2源,对其进行精确测定已成为全球变化研究中的关键问题之一。
5) Soil respiration
土壤呼吸
1.
Soil respiration and its controlling factors at Phragmites communis wetland in Panjin;
盘锦湿地芦苇群落土壤呼吸作用动态及其影响因子分析
2.
The effects of temperature and soil moisture on soil respiration in the cropland under elevated pCO_2;
大气CO_2体积分数升高环境温度与土壤水分对农田土壤呼吸的影响
3.
Daily and seasonal dynamics of soil respiration and their environmental controlling factors in Stipa krylovii steppe;
克氏针茅(Stipa krylovii)草原土壤呼吸及其影响因子
6) Basal respiration
基础呼吸
1.
05),basal respiration and metabolic quotient qCO2 decreased(P<0.
05)、以及土壤微生物生物量碳,降低了土壤基础呼吸和代谢商(P<0。
2.
The results showed that cultivation resulted in decrease in the microbial biomass carbon(MBC),microbial quotient(MQ),and basal respiration(BR).
结果表明,沼泽湿地垦殖初期(1~3年),土壤微生物量碳(MBC)、微生物商以及基础呼吸(BR)都迅速降低,而代谢商(qCO2)、PR/BR和PR/MBC比值却不断升高。
补充资料:呼吸系统的进化鱼的呼吸器官及气体交换示意图
李瑞端绘
[图]
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条