土壤呼吸

玉米生长和光合作用对土壤呼吸δ~（13）C的影响

Effects of maize growth and photosynthesis on δ ~ ( 13 ) C in soil respiration

土壤呼吸释放的CO2是对群体光合碳源缺乏的良好补充。

Soil respiration wasa good source of CO_2 for CAP .

但是，施肥处理并没有引起两个树种林分内土壤呼吸温度系数（Q（10））的改变。

But fertilizer did not change the Q_ ( 10 ) of two plantations .

土壤呼吸速率与植被物生物量干重具有极显著性相关性（P0.01）。

Soil respiration rate was extremely correlated with dry weight of vegetation .

森林土壤呼吸是全球碳循环的重要流通途径之一，其动态变化将直接影响全球C平衡。

Forest soil respiration is an important way of the global carbon cycle , as its dynamic change will directly affect the global C balance .

各种测量森林土壤呼吸的方法都存在不足，红外CO2分析仪法是目前最理想的方法；

Among the methods of measuring forest soil respiration , infrared CO_2 analysis is the optimal one so far .

量化森林土壤呼吸（RS）及其组分对准确地评估森林土壤碳吸存极其重要。

Aims Quantifying forest soil respiration ( RS ) components is vital to accurately evaluate carbon sequestration of forest ecosystems .

冬季土壤呼吸是生态系统释放CO2的极为重要的组成部分，并显著地影响着碳收支。

Winter CO2 efflux from soils is a significant component of annual carbon budgets and can greatly determine carbon balance of ecosystems .

土壤呼吸和木质残体分解释放出的CO2通量是北方森林生态系统输入大气圈的最主要的碳源。

CO 2 fluxes from soil respiration and woody debris decomposition are the largest carbon source to the atmosphere in boreal forest ecosystems .

土壤呼吸通量是直接测定从土壤表层释放的CO2通量，测定方法也逐渐由静态气室法向动态气室法完善；

Soil respiration efflux was the CO_2 evolution process from soil surface , its measuring methods were being improved from static chamber method to dynamic closed chamber method .

土壤呼吸、农田CO2排放及NEE的比较研究

The comparative study of the soil respiration , CO_2 emission and NEE from the farmland in the north of China

研究还发现，新疆高山草甸草原植物群落排放CO2的近71%来自土壤呼吸、根呼吸和凋落物分解。

Moreover , our results also showed that there is amount of 71 % CO2 flux emitted in Alpine meadow ecosystem coming from the soil respiration .

油松林生长季土壤呼吸的Q10值为3.63。

Q10 of the soil respiration during the growing season was 3.63 .

无论何种培养条件下，经过UV-B辐射处理的小麦秸秆对土壤呼吸都未产生显著影响。

The amendment of wheat straw which received UV-B radiation during plant growth had no significant effects on soil respiration .

不同培肥措施长期实施对土壤呼吸速率和CO2释放量有明显影响，其大小顺序为秸秆+NP>NP>CK。

The soil respiration rate and annual soil CO_2 emission were affected significantly by different fertilization treatments , and its order was as follows : Straw + NP > NP > CK .

土壤呼吸温度和水分双因子模型估算的年土壤CO2排放通量比土壤呼吸Q10幂函数模型估算值高11%。

At the same time , estimation of released CO2 flux by soil on double models is 11 % higher than estimation on power exponent model of Q10 .

土壤呼吸的分布特征与季节变化趋势与TER基本一致，日变化趋势略有差异。

Distribution characteristics and seasonal trends of TER was consistent with that of soil respiration , with a slight difference in diurnal variation .

基于BaPS系统的旱地土壤呼吸作用及其分量确定探讨

Determination of upland soil respiration and its components with BaPS System

均衡施用氮磷钾处理（NPK）下的土壤呼吸速率、土壤累积呼吸量、土体累积呼吸量和根际累积呼吸量高于不均衡施用化肥的处理。

Soil respiration rate , soil cumulation respiration , bulk cumulation respiration , rhizosphere cumulation respiration under NPK treatment were higher than other unbalanced fertilization treatments .

土壤呼吸是陆地生态系统碳循环的重要组成部分，也是土壤碳库向大气输出碳的唯一途径和大气CO2重要的源。

Soil respiration is the important component of the carbon cycle in terrestrial ecosystem , and also is the only way to output carbon into atmosphere from soil carbon , and the important source of atmospheric CO2 .

同浓度的Pyrene污染，黑麦草和萝卜根际以及非根际对照土壤呼吸强度、微生物生物量碳都较没有污染时有所增强，而且在植物根际增加更大。

But at the same concentration Pyrene pollution level , the soil respiration rate and microbial biomass carbon of no-planted soil and rhizosphere of ryegrass and radish were increased .

土壤呼吸季节变化与地表湿度极显著相关（P0.01），地表湿度可解释落叶松人工林土壤呼吸速率季节变化的85.6%，白桦人工林土壤呼吸速率季节变化的83.1%。

The seasonal soil respiration rates had significant correlation ( P0.01 ) with the surface moisture . It could explain 85.6 % of larch seasonal variation of soil respiration , and 83.1 % of birch soil respiration .

新鲜样的土壤呼吸熵明显低于风干样，0-20cm土层明显低于20-40cm土层。

Soil respiratory quotient ( qCO2 ) of fresh soil was lower than air-dried soil .

同时得出杉木林地土壤呼吸速率与地下5cm温度呈显著正相关，建立了土壤呼吸速率与温度的回归方程，计算出杉木林地土壤的年呼吸量（CO2）为10.517t/（hm2.a）。

Based on the quantitative relationship established between their respiration rate and temperature , the annual release of CO_2 from Chinese fir plantation soil was 10.517 t / ( hm ~ 2 · a ) .

综述了全球变化下CO2浓度上升、全球增温、耕作方式的改变及氮沉降增加的土壤呼吸效应。

The objective of this paper is to provide a brief scientific review on the effects of soil respiration in the circumstances of rising concentrations of CO 2 , global warming , tillage cultivation changing , increasing deposition of nitrogen from the atmosphere .

此项研究主要通过高CO2浓度对作物生物量的直接影响，利用δ13C技术间接地初步分析土壤呼吸CO2排放不同来源贡献的差异。

This study was conducted indirectly in primary analysis of the effects of elevated CO2 on CO2 emission from different pools in rice paddy field based on the direct response of crops biomass to elevated CO2 and 13C isotope technique .

运用盆栽试验研究了玉米生长和施氮水平（N150mgkg-1和300mgkg-1）对土壤呼吸的影响。

The effects of maize growth and N-application ( N 150 mg kg ~ ( - 1 ) and 300 mg kg ~ ( - 1 )) on soil respiration were investigated in pot experiment .

总体来看，皆伐林地土壤呼吸对一年的氮沉降响应表为由初期促进土壤CO2的排放，到中期逐渐抑制土壤呼吸速率，最后降低土壤CO2排放。

Overall , forest clear-cutting on soil respiration in response of nitrogen deposition shows that in the early time the nitrogen deposition can promote soil CO2 emissions , at later it has a gradual inhibition of soil respiration rate , and ultimately to reduce CO2 emissions from soil .

土壤呼吸与土壤温度的关系可以用指数关系方程拟合，方程的决定系数R2值从0.18到0.85，Q10值在1.22到4.28之间。

The relationships between soil respiration and soil temperature at 10 cm depth could be described by an exponential equation , with R2 values ranging between 0.18 to 0.85 , and the Q10 values between 1.22 and 4.28 .

结果表明：（1）冬小麦返青前后的土壤呼吸速率（SRR）在晴或多云天气条件下都要高于阴天，SRR的日变化都表现为单峰变化趋势。

The main results were as follows : ( 1 ) The soil respiration rate ( SRR ) on clear or cloudy day was markedly higher than that on overcast day before and after reviving .