Soil Water Characteristics of Different Aerial-seeded Plant Communities at Northeastern Edge of Tengger Desert [PDF]
, 2023 [Objective] Soil water characteristics of different plant communities at different slope positions on aerial-seeded afforestation areas in 1992 were studied at the northeastern edge of the Tengger Desert in order to provide a theoretical basis for the ...
Ge Nan +4 more
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Comparative Study on Soil Infiltration Characteristics of Different Land Use Types in Horqin Sandy Land [PDF]
, 2022 [Objective] The differences in water infiltration characteristics between different land use types in Horqin sandy land were determined in order to provide a scientific reference for the study of water and material transport in the vadose zone in arid ...
Ala Musa +3 more
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Effects of Disturbance Modes on Vegetation and Soil in Typical Grassland Area [PDF]
, 2023 [Objective] The effect of different disturbance modes on soil physical and chemical properties and vegetation characteristics of typical grassland areas in Inner Mongolia were analyzed in order to provide a scientific basis for restoring the ecological ...
Cha Na +6 more
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, 1998 对５１年生甜槠群落Ｃａ、Ｍｇ含量及其生物循环研究表明，甜槠群落现存量中，Ｃａ、Ｍｇ总量分别为１０２９．９６和２３１．３４ｋｇ·ｈｍ－２；其中地上部分分别为８０１．４０和１５９．６８ｋｇ·ｈｍ－２，地下部分分别为２２８．５６和７１．６６ｋｇ·ｈｍ－２．该群落Ｃａ、Ｍｇ生物循环中，年吸收量分别为６３．１７和１８．６８ｋｇ·ｈｍ－２，年存留量分别为３１．７７和１１．４１ｋｇ·ｈｍ－２，年归还量分别为３１．４０和７．２７ｋｇ·ｈｍ－２；Ｃａ、Ｍｇ的富集率分别为１．６６和２ ...
何建源 +5 more
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Effect of Reforestation Tree Species on the Distribution and Stability of Purple Soil Aggregates [PDF]
[Objective] Afforestation following the Grain for Green initiative is a crucial measure to improve soil structure and reduce soil erosion. Understanding the mechanisms of the effects of afforestation tree species on the formation of soil aggregates can ...
HAN Guangzhong +4 more
core +1 more source
, 1997 本文是福建武夷山森林生态系统研究的一部分，主要讨论黄山松（Pinustaiwanensis）群落的氮磷累积和循环。测定结果表明：（1）群落现存量中氮（N）、磷（P）的库量分别为925．844kghm-2和45．981kghm-2，其中地上部分别为719．438kghm-2（占总库量的77．706%）和35．534kghm-2占77.280％），地下部分别为206．406kghm-2（占22．294％）和10．447kghm-2（占22.720％）；（2）N、P的生物循环中，年吸收量分别为65 ...
何建源 +5 more
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Response of Microbial Community Structure and Diversity to Nitrogen Deposition in Soils of Pinus yunnanensis Forest of the Central Yunnan Plateau [PDF]
[Objective] To study the characteristics of changes in chemical properties and diversity and structural composition of soil microbial communities in Pinus yun-nanensis soils on the Central Yunnan Plateau under nitrogen deposition, and to analyze the ...
DENG Qiujiang +6 more
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, 1997 本文主要讨论武夷山黄山松群落的钾、钠累积和循环。测定结果表明:(1)群落现存量中钾、钠的库量分别为35.876g/m~2和2.637g/m~2,其中地上部分为19.944g/m~2(占总库量的55.59％)和1.817g/m~2(占68.90％);地下部分别为15.932g/m~2(占44.41％)和0.820g/m~2(占31.10％);(2)在钾、钠的生物循环中,年吸收量分别为2.230g/m~2·a和0.136g/m~2·a;年存留量分别为2.230g/m~2·a和0.036g/m~2·a;(3 ...
刘初钿 +5 more
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Characteristics of Soil Active Carbon Fractions and Carbon Pool Stability in Major Forest Types in Northern Daxing’an Mountains [PDF]
[Objective] Soil organic carbon is an important component of the carbon cycle in forest ecosystems, and active organic carbon can indicate changes in soil carbon pools.
CAI Tijiu, LIU Beibei
core +1 more source
STUDIES ON THE NUTRIENT RETRANSLOCATION EFFICIENCIES DURING LEAF SENESCENCE [PDF]
, 1999 国家自然科学基金!资助课题(No ...
林鹏, 王文卿
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