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Scrub typhus is emerging and re-emerging in many areas:climate change may affect its spread.To explore the effects of me......
STUDIES ON THE ENVIRONMENT STRUCTURE OF NATURAL NIDI AND EPIDEMIC AREAS OF HEMORRHAGIC FEVER WITH RE
The environment structure of natural nidi and epidemic areas of hemorrhagic fever with renal syndrome (HFRS) possesses c......
The Donggutuo site, situated in the east margin of Nihewan basin, is one of the most important Paleolithic sites in Chin......
(-) Huperzine A is a bioactive alkaloid from Huperzia serrata (Lycopodiaceae) used for the treatment of Alzheimer’s dis......
Evaluation of quantitative variation of secondary metabolites in Bergenia ciliata(Haw.)using high pe
Dear Editor:Therapeutically active metabolite contents in a medicinal plant vary in nature,which may impact on its thera......
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Analysis of the ecological environment around 10000 a BP in Zhaitang area,Beijing:A case study of th
The transition from Paleolithic to Neolithic around 10000 a BP was a significant event in human history. We have analyze......
Diaobingshan,located in the northern part of Liaoning Privince,is a county-level city subordinated to Tieling City. Diao......
Two red earth sections from the Chengdu Plain in Sichuan Province are dated using geomagnetic methods. The Brunhes/Matuy......
在最广泛的意义上,环境就是你所生活的世界:就是存在于你自己和你的家庭、朋友、四邻、同事周围的所有自然特征,以及你自己的和他......
The forest ecosystem of the Changbai Mountain is the most typical upland temperate forest ecosystem in eastern Asia. It ......
神农架共有山地竹类4属11种。其中单轴型竹类4种(Phyllostachys nigra var. Henonis,Ph. heterclada,Ph. nidularia 和 Ph. bambus......
用森林动态林窗模型 FORET1模拟了暖温带落叶阔叶林的长期变化特征。模型参数取自暖温带地区长期森林研究和经营的历史数据 ,对过......
LA FAUNA MARINA PLEISTOCENICA DEL COLLE DI CASTENEDOLO(Brescia,Italia Settentrionale)Osservazioni cr
Chronological and environmental observations on the Pleistocene fauna of Castenedolo(Brescia-Northern Italy).The Author......
Based on the research of the plots in coastal areas in Jiaonan city, Shandong Province, the indices of richness, evennes......
Diurnal Variations of Greenhouse Gas Fluxes from Mixed Broad-leaved and Coniferous Forest Soil in Di
The subtropical mixed broad-leaved and coniferous forest, a typical successional monsoon forest, is one of the major for......
In order to understand the structural characteristics of lignin in triploid clones of Populus tomentosa and its changes ......
With the static opaque chamber and gas chromatography technique, from January 2003 to January 2004 soil respiration was ......
Photosynthetic characteristics of dominant tree species and canopy in the broadleaved Korean pine fo
Based on the light-photosynthesis response measurement at leaf level, combined with over- and under-canopy eddy covarian......
Seasonal variation of carbon exchange of typical forest ecosystems along the eastern forest transect
The long-term and continuous carbon fluxes of Changbaishan temperate mixed forest (CBS), Qianyanzhou subtropical evergre......
Effects of nitrogen sources and glucose on the con- sumption of ethylene and methane by temperate vo
There is limited knowledge with regard to the consumption of ethylene (C2H4) and methane (CH4) in volcanic forest soils ......
Estimation of the carbon storage of forest vegetation and carbon emission from forest fires in Heilo
The forest resource of Heilongjiang province has important position in china. On the basis of the six times of national ......
Measurement of ethylene and methane production in a temperate forest soil using inhibition of acetyl
We studied in the laboratory the effects of acetylene (C2H2) concentrations on the accumulation and consumption of ethyl......
Response to seasonal change of insect resources in Changbai Mountain temperate forests by Greater Ho
Knowing how bats select different habitats in response to environmental changes provides a framework for anticipating th......
Forestry and forest ecosystem are highly sensitive to climate change.At present,studies about the responses of forests t......
Analysis on the change of water potential of Populus euphratica Oliv.and P.Russkii Jabl under differ
The measurement of plant water potential is considered to be a direct approach to confirming the irrigation time in pres......
Quantifying forest carbon(C) storage and distribution is important for forest C cycling studies and terrestrial ecosyste......
The unawareness of cultural differences makes some English learners frustrated from time to time when they are studying ......
Large herbivorous mammals from 10 representative Quaternary localities in northeasternChina were studied. The evolution ......
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Based on the diatom analysis the climatic sequence between 11 000 and 6 000 aBP in Angren, southern Tibet is established......
The North East China Transect (NECT) is an exemplary region of landmass running along the line of 43°30′ North Latitu......
PALYNOLOGICAL RECORD OF PALEOVEGETATIONCHANGE DURING HOLOCENE AT NORTH TUMDPLAIN IN INNER MONGOLIA,C
In this paper, the Holocene paleoenvironment change sequence in middle Inner Mongolia was primarily reconstructed on the......
Habitat associations of saplings and adults in an old-growth temperate forest in the Changbai mounta
Species-habitat association analysis is useful to detect spatial arrangement of individual plants, to discover rules abo......
Tibetan spruce (Picea smithiana) is an endemic species of the Himalayas,and it distributes only in a re-stricted area wi......
Effects of uprooting tree on herbaceous species diversity, woody species regeneration status and soi
We conducted a study to examine the pattern of development of herbaceous plant species, woody species regeneration and s......
Modeling susceptibility to deforestation of remaining ecosystems in North Central Mexico with logist
Determining underlying factors that foster deforestation and delineating forest areas by levels of susceptibility are of......
Discrepancy in fine root turnover estimates between diameter-based and branch-order-based approaches
Fine root turnover plays a key role in carbon(C) budgets and nutrients cycles in forest ecosystems.However,the differenc......
We selected widely distributed and well observed plant species Fraxinus chinensis to study the formation mechanism of ge......
With a coverage of 30% of the Earth’s land area, forest biomes play an important role in global carbon (C) cycling and ......
Five new diterpenoids isolated from Siegesbeckia pubescens, pubesides A~E, were established as ent-2a,15,16-trihydroxypi......
Fluxes of CO_2, N_2O and CH_4 from a typical temperate grassland in Inner Mongolia and its daily var
Using a dark enclosed chamber technique, the fluxes of CO2, N2O and CH4 from nature and disturbed grassland were measur......
The sediments of lake on the Ardley Island,Antarctica:Identification of penguin- dropping soil 1Sun Liguang,Xie Zhouqing......
Based on pollen records in B-3GC gravity core, environmental change since 9500 aBP of Okinawa Trough and its adjacent is......
The systemic analyses have been carried out in this paper to the paleolake shorelines, paleolake sediments and paleoclim......
Contemporary processes of environmental information in the atmosphere-glacier-runoff system in an ar
Sampling was carried out at Baishui No.1, the largest glacier on Mt. Yulong, China, during the summers of 1999 and 2000,......
