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Article
Geographic mosaics of rice domestication in the lower Yangtze River indicated by morphological characteristics of rice bulliform phytoliths
The lower Yangtze River valley has widely been regarded as centres of rice domestication, tracing back to 10,000 cal a BP or even earlier in the late Pleistocene. Despite recent advances in both evidence of ge...
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Article
Caodiaoniu: One of the oldest microblade sites in Northern China曹掉牛:**北方最早的细石叶遗址之一
The microblade technique is an important technological innovation in the Late Pleistocene, and its geographical distribution and diffusion, as well as the relationship between technological changes and paleocl...
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Article
Detecting land cover and land use change and its impact on biomass carbon emission from 2001 to 2019 in Arkansas, U.S.A
Land cover and land use change (LCLUC) is a significant contributor to the changes in biomass carbon emissions. The state of Arkansas in the U.S.A. has experienced LCLUC over last five decades. This study comb...
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Article
Conservative changes in ecosystem C:N:P stoichiometry are mediated by plant diversity and tree size along a forest succession chronosequence
Ecosystem C:N:P stoichiometry has implications for biogeochemical cycles and ecosystem functioning. However, variations in ecosystem stoichiometry along a forest succession chronosequence and the underlying me...
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Article
Correction to: Leaf stoichiometry is synergistically-driven by climate, site, soil characteristics and phylogeny in karst areas, Southwest China
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Article
Removal of nitrogen and phosphorus from sediment and overlying water by double electrolytic-driven remediation and its effect on microbial community structure in sediment
To test the effect of electrolysis and microbial remediation technology in polluted river sediment, we explored the possibility of using electrolysis method to remove ammoniacal nitrogen–nitrogen (NH3–N), nitrate...
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Article
Leaf stoichiometry is synergistically-driven by climate, site, soil characteristics and phylogeny in karst areas, Southwest China
Leaf stoichiometry and its biogeography play vital roles in nutrient cycling of plant communities. To understand the potential drivers of leaf stoichiometry in karst ecosystems, we measured leaf morphological ...
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Article
Technological strategy and mobility of Middle Holocene hunter-gatherers in the high-altitude Qinghai-Tibetan Plateau: a case study from Tshem gzhung kha thog
Microblade technology occupies an important position for understanding the process of peopling of the Qinghai-Tibetan Plateau; however, the region’s specific technological behaviour has been unclear due to a l...
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Article
Open AccessEarly evidence of trepanation along the Yellow River Basin in Neolithic China
Trepanation is a long-lasting ancient practice found around the world with diverse motivations. However, the distribution and motivation of intentional trepanation in China remain unclear. This study presents ...
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Article
Variations in the nitrogen saturation threshold of soil respiration in grassland ecosystems
Over the last century, anthropogenic activities have increased nitrogen (N) deposition considerably, which significantly affects ecosystem processes and has the potential to induce N saturation in the future. ...
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Article
Mechanisms of preservation damage: restoration materials affecting salt distribution and soil expansion in wall paintings of Dunhuang
Relics are precious, but the use of improper restoration materials may intensify their deterioration and result in preservation damage. Five restoration materials, including polyvinyl acetate (PVAc), polyacryl...
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Article
Does the accelerated soil N cycling sustain N demand of Quercus mongolica after decade-long elevated CO2 treatment?
The stimulation of plant growth and biomass accumulation by elevated CO2 may be limited by soil nitrogen (N) availability. However, our understanding of the response of soil N cycling to elevated CO2 and when pro...
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Article
Phytolith analysis for the identification of barnyard millet (Echinochloa sp.) and its implications
Echinochloa was an important prehistoric food crop of early agriculture in Asia. Macro-remains can be used to identify Echinochloa. However, when few macro-remains are available, phytolith analys...
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Article
Shrub-encroachment induced alterations in input chemistry and soil microbial community affect topsoil organic carbon in an Inner Mongolian grassland
Shrub encroachment frequently occurs in arid and semi-arid grasslands worldwide and affects the regional carbon balance. Many previous studies have revealed the effects of shrub encroachment on bulk carbon con...
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Article
Rapid recuperation of soil nitrogen following agricultural abandonment in a karst area, southwest China
Soil nitrogen (N) dynamics are crucial for ecosystem development and carbon sequestration. However, N dynamics during post-agriculture succession have not been well understood. Here soil N dynamics during post...
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Article
A threshold reveals decoupled relationship of sulfur with carbon and nitrogen in soils across arid and semi-arid grasslands in northern China
How climatic factors influence the balance of sulfur (S) with carbon (C) and nitrogen (N) in soils is not well understood. Here we report the results of S, C and N concentrations in 550 soil samples along a 35...
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Article
Spatio-temporal variations of sea surface halocarbon concentrations and fluxes from southern Yellow Sea
Temporal and spatial distributions of five volatile halogenated organic compounds (VHOC), including chloroform (CHCl3), trichloroethylene (C2HCl3), bromodichloromethane (CHBrCl2), chlorodibromomethane (CHBr2Cl), ...
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Article
No temperature acclimation of soil extracellular enzymes to experimental warming in an alpine grassland ecosystem on the Tibetan Plateau
Alpine grassland soils store large amounts of soil organic carbon (SOC) and are susceptible to rising air temperature. Soil extracellular enzymes catalyze the rate-limiting step in SOC decomposition and their ...
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Article
Effects of Anions on the Capacity and Affinity of Copper Adsorption in Two Variable Charge Soils
Effects of nitrate,(NO 3 − ) chloride (Cl−), sulfate (SO 4 2- , and acetate (Ac−) on Cu2+ adsorption and aff...