沼泽土壤
- 网络Marshy soils
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山地沼泽土壤K含量分布特征及季节动态
Distribution Characteristics and Seasonal Dynamics for K Content in the Soil of Mountain Swamp Wetland
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大庆沼泽土壤力学特性的试验研究
Study on the Mechanical Properties of Muskeg Soil in Daqing
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若尔盖高原沼泽土壤氧化甲烷的研究
Studies on methane oxidation by bog soils in Zoige Plateau
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长白山区沟谷湿地乌拉苔草沼泽土壤环境效应
Soil Environmental Effects of Carex . meyeriana Mire in the Changbai Mountain Valley
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草甸沼泽土壤硝化-反硝化作用和有机碳矿化对氮输入的响应
Response of Nitrification-Denitrification and Carbon Mineralization to Nitrogen Input in Meadow Marsh Soil
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高寒草甸土壤活性铁空间异质性在不同样地尺度下无显著差异;而高寒沼泽土壤活性铁空间异质性随样地尺度增大而增强。
With plot scales increase , there has no significant difference in the spatial heterogeneity of soil active iron in alpine meadow , but the spatial heterogeneity levels of soil active iron in alpine marsh decreases gradually .
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N、P和K含量在暗棕色森林土和草甸沼泽地土壤上较高;
Leaf N , P and K were higher of blueberry cultured on dark brown forest soil and meadow bog gleyed soil .
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叶片中Mn、Fe含量在水湿地潜育土和草甸沼泽地土壤上很高;
Leaf Mn , Fe were significantly high of blueberry cultured on meadow bog gleyed soil and meadow bog soil .
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本文研究结果如下:(1)3种植物沼泽湿地土壤的CH4产生率在培养前期达到最大值后,随培养时间逐渐降低。
The results showed : ( 1 ) The methane production rates reached the maximum on the third day in three kinds of plant marsh soil , then gradually decreased with incubation time .
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自然沼泽湿地土壤中元素垂直分布分层性较明显,而农田土壤中,除Pb外,其他元素含量的剖面变化较自然沼泽湿地平缓,但剖面变化的趋势基本一致(B和Cd除外);
The vertical stratification of trace elements in natural wetland soils is significant while in tillage soils section changes of elements , except Pb , are gentler than those in natural wetland soils . Some elements in wetland and tillage soils have a similar trend excluding B and Cd .
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沼泽地土壤圆锥指数和剪切强度的试验研究
Study on the cone indices and shear strengths of muskeg soils
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冻融对沼泽湿地土壤水稳性大团聚体的影响
Effects of Freezing-thawing on Soil Water-stable Aggregates in Fresh Marsh
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土地利用对沼泽湿地土壤碳影响的研究
Effects of Land Use Change on Carbon Contents of Marsh Soil in the Sanjiang Plain
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秸秆心土还田改良沼泽化土壤排涝效果的研究
Effect of Returning the Crop Stack into Subsoil on Improving The Marsh Bog Soil and Drainage
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长白山沟谷湿地乌拉苔草沼泽湿地土壤微生物动态及环境效应研究
Dynamic Change and Environmental Effects of Soil Microorganism in Marsh Soils from Carex Meyeriana Wetlands in Changbai Mountain
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结果表明,沼泽湿地土壤有机碳的垂直分布随土壤深度、植物群落类型和农业耕作方式的变化而变化;
The results show that the vertical distribution of SOC in wetlands varies with soil depth , type of plant communities and tillage pattern .
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而沼泽湿地土壤中硝态氮的运移通量与土壤水扩散率及土壤含水量都呈显著正相关关系,并随土壤水扩散率的增加呈指数增长。
But these fluxes had obvious positive correlation with diffusibility and content of water in soil and the exponent increased with the increase of soil water diffusibility .
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结果表明,沼泽湿地土壤中硝态氮的运移通量与运移距离显著负相关,并随运移距离的增加呈一阶衰减指数变化;
The movement fluxes of nitrate nitrogen in the wetland soil had obvious negative correlation with the movement distances , and varied in one-order exponent decay with increase of the distances ;
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湿地垦殖后,在相同季节根层土壤温度明显高于沼泽湿地土壤,但垦殖后土壤有机碳、氮素含量明显降低,C:N比值减小,土壤呼吸通量增大,且具有季节性变化。
The soil temperature of rhizosphere is distinctly higher after cultivation of mire soil , but soil organic carbon and nitrogen levels , and C : N ratios decreased notably after reclamation .
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产自美国中部至北部的沼泽或潮湿土壤上的兰花,总状花序,花极香、淡白色或淡绿色。
Orchid of boggy or wet lands of north central United States having racemes of very fragrant creamy or greenish white flowers .
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沼泽湿地生态系统土壤CO2和CH4排放动态及影响因素
Dynamics of CO_2 and CH_4 Concentration in the Mire Soil and Its Impact Factors
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沼泽湿地开垦后土壤水热条件变化与碳、氮动态
The Changes of the Soil Hydrothermal Condition and the Dynamics of C , N after the Mire Tillage
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主要土壤有水稻土、冲积土和滨海盐渍沼泽土(海涂土壤)等三个土类。
The three major soil types in this region are the paddy soil , the alluvial soil , and the salt swamp soil .
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降水减少导致的沼泽水位下降将加强若尔盖高原沼泽土壤氧化CH4从而减少沼泽CH4排放。
The falling of bog water level caused by raining decrease would strengthen the CH4 oxidation by bog soil in Zoige Plateau , thus the CH4emissions from bog decreased .
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融化过程中,由于泥炭沼泽土渗透性较草甸沼泽土低,土壤化通后,其表层能滞留更多的水分。
In melting process , more water is blocked in upper layer because peat mire soil permeability is lower than meadow marsh soil .
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沼泽水位的变化引起沼生植物种群更替,从而形成不同类型的沼泽及其土壤剖面形态特征,进而导致沼泽产生和排放甲烷能力的不同。
The depth of water table affects the pattern of vegetation in mires , which , in turn , strongly influences the development and soil profile of mires , resulting in discrepancy in flux of methane emission from various mires .