Guoxiang Niu
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View article: Plants and microorganisms both contribute to soil organic matter formation through mineral interactions: Evidence from a subtropical forest succession
Plants and microorganisms both contribute to soil organic matter formation through mineral interactions: Evidence from a subtropical forest succession Open
Understanding the formation and stabilization of soil organic carbon (SOC) is essential for predicting SOC dynamics. Traditionally, it was believed that SOC accumulates primarily through the selective retention of recalcitrant plant lignin…
View article: Changes in plant resource inputs lead to rapid alterations in soil dissolved organic matter composition in an old-growth tropical forest
Changes in plant resource inputs lead to rapid alterations in soil dissolved organic matter composition in an old-growth tropical forest Open
Alterations in plant resource inputs to soil affect soil organic matter (OM) dynamics. However, it remains unclear how to alter soil dissolved OM (DOM) composition. Here, we used UV/fluorescence spectroscopy and Fourier transform ion cyclo…
View article: Subtropical forest macro-decomposers rapidly transfer litter carbon and nitrogen into soil mineral-associated organic matter
Subtropical forest macro-decomposers rapidly transfer litter carbon and nitrogen into soil mineral-associated organic matter Open
Background: Forest soils in tropical and subtropical areas store a significant amount of carbon. Recent frameworks to assess soil organic matter (SOM) dynamics under evolving global conditions suggest that dividing bulk SOM into particulat…
View article: Effects of nitrogen and water addition on soil carbon, nitrogen, phosphorus, sulfur, and their stoichiometry along soil profile in a semi-arid steppe
Effects of nitrogen and water addition on soil carbon, nitrogen, phosphorus, sulfur, and their stoichiometry along soil profile in a semi-arid steppe Open
Purpose Although past studies have found well-constrained soil carbon (C)/nutrient ratios, the effects of increased nitrogen (N) and water inputs on these ratios across soil depths have rarely been assessed in semi-arid grasslands. Methods…
View article: Decadal nitrogen addition enhanced soil C and N storage in mineral-associated organic matter by altering soil abiotic and microbial properties in a temperate grassland
Decadal nitrogen addition enhanced soil C and N storage in mineral-associated organic matter by altering soil abiotic and microbial properties in a temperate grassland Open
Global nitrogen (N) deposition has impacted the structure and functioning of soil microbial communities, translating into important changes to the cycling of soil organic matter (SOM). Recent frameworks have proposed that portioning the pa…
View article: Nonlinear response of greenhouse gases emission to nitrogen addition in a meadow steppe
Nonlinear response of greenhouse gases emission to nitrogen addition in a meadow steppe Open
View article: Enhanced foliar <scp><sup>15</sup>N</scp> enrichment with increasing nitrogen addition rates: Role of plant species and nitrogen compounds
Enhanced foliar <span><sup>15</sup>N</span> enrichment with increasing nitrogen addition rates: Role of plant species and nitrogen compounds Open
Determining the abundance of N isotope (δ 15 N) in natural environments is a simple but powerful method for providing integrated information on the N cycling dynamics and status in an ecosystem under exogenous N inputs. However, whether th…
View article: Effects of 12-Year Nitrogen Addition and Mowing on Plant-Soil Micronutrients in a Typical Steppe
Effects of 12-Year Nitrogen Addition and Mowing on Plant-Soil Micronutrients in a Typical Steppe Open
Changes in soil micronutrient availability may have adverse consequences on grassland productivity, yet it’s still largely unclear how concurrent human practices, such as fertilization and mowing, affect micronutrient cycling in the plant-…
View article: Effects of decadal nitrogen addition on carbon and nitrogen stocks in different organic matter fractions of typical steppe soils
Effects of decadal nitrogen addition on carbon and nitrogen stocks in different organic matter fractions of typical steppe soils Open
Recent frameworks have proposed that division of soil organic matter (SOM) into particulate and mineral-associated organic matter (POM and MAOM) can help us better understand SOM cycling and its responses to increasing atmospheric nitrogen…
View article: Do long-term high nitrogen inputs change the composition of soil dissolved organic matter in a primary tropical forest?
Do long-term high nitrogen inputs change the composition of soil dissolved organic matter in a primary tropical forest? Open
Dissolved organic matter (DOM) plays a key role in forest carbon biogeochemistry by linking soil organic carbon (SOC) sequestration and water fluxes, which is further shaped by elevated atmospheric nitrogen (N) deposition. Although enhance…
View article: Nitrogen addition results in<i>Medicago sativa</i>switching nitrogen sources
Nitrogen addition results in<i>Medicago sativa</i>switching nitrogen sources Open
Background: Nitrogen (N) addition may have strong impacts on legume growth and their biological N fixation (BNF), but how legume N acquisition sources respond to N inputs have yet to be comprehensively assessed. Aims: We quantified the eff…
View article: Effects of nitrogen addition and planting density on the growth and biological nitrogen fixation of <i>Lespedeza davurica</i>
Effects of nitrogen addition and planting density on the growth and biological nitrogen fixation of <i>Lespedeza davurica</i> Open