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61,005 resultsShowing papers similar to The structure and development of Loess Critical Zone and its soil carbon cycle
ClearReview of Managing Soil Organic C Sequestration from Vegetation Restoration on the Loess Plateau
This review examines soil organic carbon sequestration from vegetation restoration on China's Loess Plateau following the Grain-for-Green Project, which has transformed the most severely eroded region into a major ecological restoration success. The review summarizes current knowledge on how different vegetation types and restoration practices affect soil carbon storage.
Different Distribution of Core Microbiota in Upper Soil Layer in Two Places of North China Plain
Researchers compared the composition and distribution of core soil microbiota in upper soil layers at two locations on the North China Plain, examining how habitat and dominant plant species shape bacterial community structure relevant to nutrient cycling and carbon storage. The study found meaningful differences in microbial community composition between the two sites, reflecting local environmental influences.
Mitigation of the Ratio of Soil Dissolved Organic Carbon to Available Phosphorus Effectively Improves Crop Productivity under Mulching Measures on the Loess Plateau
This study investigated how different mulching measures affect soil stoichiometric ratios of dissolved organic carbon to available phosphorus in the Loess Plateau, finding that strategic mulching can mitigate nutrient imbalances and support sustainable agriculture in this erosion-prone region.
Impacts of Wetland Degradation on Soil Organic Carbon and Carbon Sequestration Function: A Case Study of the Huixian Wetland in the Li River Basin
Researchers examined how degradation gradients from non-degraded to heavily degraded conditions affect soil organic carbon fractions and carbon fluxes in the Huixian Wetland, China, finding that increasing degradation progressively depleted labile carbon pools — particularly microbial biomass carbon and light fraction organic carbon — and reduced carbon sequestration capacity while increasing CO2 emissions.
Carbonates in the Critical Zone
This review examines how carbonate-dominated geology in Earth's Critical Zone influences weathering rates, soil formation, and landscape co-evolution with life, filling a gap in Critical Zone science that has historically focused on silicate rocks. The authors highlight carbonate systems as distinct yet understudied components of the global carbon cycle and landscape ecology.
[Abundances and Morphology Patterns of Microplastics Under Different Land Use Types on the Loess Plateau].
Researchers investigated the abundance and morphological patterns of microplastics across different land use types on the Loess Plateau in China, examining how agriculture, grassland, and other land uses shape microplastic accumulation in soils of this major agricultural production region.
Depth distribution of nano- and microplastics and their contribution to carbon storage in Chinese agricultural soils
Researchers measured nano- and microplastic concentrations at different depths in Chinese agricultural soils and found that levels were highest near the surface, declining with depth. The study estimates that carbon from these plastic particles contributes between 0.004% and 5.6% to the agricultural soil carbon pool, depending on depth. These findings highlight that plastic contamination is subtly influencing soil carbon storage, though the overall contribution remains relatively low.
Root carbon inputs outweigh litter in shaping grassland soil microbiomes and ecosystem multifunctionality
Researchers analyzed 13 years of field data from a semi-arid grassland and found that carbon inputs from plant roots matter more than leaf litter in sustaining soil microbial diversity and overall ecosystem health. Removing plants caused greater microbial and functional declines than removing surface litter, underscoring the hidden importance of below-ground carbon in maintaining healthy soils.
Archaeal contribution to carbon-functional composition and abundance in China’s coastal wetlands: Not to be underestimated
Researchers investigated microbial diversity and carbon-functional gene composition across twenty coastal wetlands along China's coast, finding that archaeal rather than bacterial communities dominate carbon-functional gene composition and that Nanoarchaeaeota is the key archaeal phylum driving carbon cycling in anoxic sediments.
Distribution characteristics of microplastics in soil of Loess Plateau in northwest China and their relationship with land use type
Researchers measured microplastic levels across different land use types on China's Loess Plateau and found an average abundance of nearly 3,000 particles per kilogram of soil. Construction land and cultivated areas had the highest concentrations, while grassland and woodland had lower levels. The study demonstrates that human land use patterns directly influence how much microplastic accumulates in soil across this important agricultural region.
The Global Turbidity Current Pump and Its Implications for Organic Carbon Cycling
Researchers demonstrated that submarine turbidity currents play a far larger role in global organic carbon cycling than previously recognized, showing that these sediment flows efficiently transfer and bury terrestrial organic carbon rather than it being primarily decomposed on shelves.
Characteristics and Driving Mechanism of Soil Organic Carbon Content in Farmland of Beijing Plain: Implication for the Fate of Engineered Polymers in Soil
This study examined how soil organic matter affects the transport of ions and particles in agricultural soils, relevant to understanding how microplastics interact with soil chemistry. Soil organic carbon content significantly influenced the mobility of contaminants through soil systems.
Structural and Functional Characteristics of Soil Microbial Communities in Forest–Wetland Ecotones: A Case Study of the Lesser Khingan Mountains
Researchers examined soil microbial communities across a forest-to-wetland gradient in China's Lesser Khingan Mountains, comparing mixed forest, conifer forest, wetland edge, and natural wetland. Natural wetland soils harbored the most distinct bacterial communities, driven primarily by high organic matter, nitrogen, and phosphorus content.
Variations in the quantity and chemical composition of soil dissolved organic matter along a chronosequence of wolfberry plantations in an arid area of Northwest China
Researchers studied how planting wolfberry bushes over 13 years changes the chemistry of soil organic matter in an arid region of China and found that longer-growing plantations build up richer, more complex soil carbon compounds — which helps store carbon and improve soil health in dryland farming systems.
Degradable film mulching increases soil carbon sequestration in major Chinese dryland agroecosystems
Researchers compared biodegradable and conventional plastic film mulches used in farming and found that biodegradable films increased carbon storage in soil while traditional plastic mulch reduced it, suggesting that switching to biodegradable alternatives could help fight climate change while cutting plastic pollution.
Enhanced Microplastic Burial in China’s Coastal Blue Carbon Ecosystems: Drivers and Potential Roles in Climate Change Mitigation
Researchers measured microplastic stocks in coastal blue carbon ecosystems along the Chinese coastline and found that these environments significantly enhance the trapping and burial of microplastic particles in sediments. Microplastic-derived carbon storage ranged from 0.01 to 104.4 kg of carbon per hectare across the study sites. The study suggests that while blue carbon ecosystems act as sinks for microplastic pollution, this buried plastic carbon may need to be accounted for in coastal carbon budget assessments.
Microplastics trapped in soil aggregates of different land-use types: A case study of Loess Plateau terraces, China
Researchers measured microplastic abundance in soil aggregates from four land-use types on China's Loess Plateau, finding MPs trapped in aggregates across all land uses with farmland soils having the highest concentrations. Woodland soils had the lowest MP content and the most stable aggregate structure, suggesting land use substantially controls both MP accumulation and aggregate integrity.
Response of soil dissolved organic matter to microplastic addition in Chinese loess soil
Researchers added microplastics to loess soil at two concentrations and tracked dissolved organic matter over 30 days, finding that even moderate additions altered the rate of organic carbon, nitrogen, and phosphorus release, stimulated soil enzyme activity, and promoted accumulation of high-molecular-weight humic compounds — suggesting microplastic pollution reshapes soil nutrient cycling.
Particle Size Distribution and Depth to Bedrock of Chinese Cultivated Soils: Implications for Soil Classification and Management
This paper is not relevant to microplastics research — it characterises particle size distribution and depth to bedrock in Chinese agricultural soils to inform soil classification and land management.
Contributions of fine mineral particles and active Al/Fe to stabilization of plant material in neutral-to-alkaline soils of Indo-Gangetic Plain
Researchers studied how organic carbon added to farmland soils in northern India gets stored or broken down, finding that clay particles and aluminum and iron compounds are key to locking carbon in place for the long term. Understanding these mechanisms is important for predicting how tropical agricultural soils can help offset carbon emissions through carbon sequestration.
Soil horizons regulate bacterial community structure and functions in Dabie Mountain of the East China
This paper is not relevant to microplastics research — it examines how soil horizon depth influences bacterial community structure and nutrient cycling functions in mountain forest soils.
Differences, links, and roles of microbial and stoichiometric factors in microplastic distribution: A case study of five typical rice cropping regions in China
Researchers investigated microplastic distribution across five major rice-growing regions in China, finding that microbial community composition and soil stoichiometric factors like carbon-to-nitrogen ratios significantly influenced microplastic accumulation patterns in agricultural soils.
Abundances of agricultural microplastics and their contribution to the soil organic carbon pool in plastic film mulching fields of Xinjiang, China
Researchers found that microplastics in plastic-mulched agricultural fields in Xinjiang, China contribute to the soil organic carbon pool, potentially causing overestimation of soil carbon sequestration when conventional measurement methods fail to separate microplastics from soil.
Linking bacterial and fungal assemblages to soil nutrient cycling within different aggregate sizes in agroecosystem
Researchers investigated how bacterial and fungal microbial assemblages within four different soil aggregate sizes correlate with nutrient cycling in rice fields in Southern China, finding that deterministic processes govern bacteria while stochastic processes govern fungi, and that macroaggregates showed stronger regulation of carbon, nitrogen, and phosphorus cycling by soil properties than microaggregates.