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Open AccessReduced turnover rate of topsoil organic carbon in old-growth forests: a case study in subtropical China
Old-growth forests are irreplaceable with respect to climate change mitigation and have considerable carbon (C) sink potential in soils. However, the relationship between the soil organic carbon (SOC) turnover...
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Article
Plant diversity and species turnover co-regulate soil nitrogen and phosphorus availability in Dinghushan forests, southern China
The interaction between plants and soil is an important internal driver of ecosystem evolution. Many studies have reported the unidirectional effects of soil nutrients on plant diversity and species turnover. ...
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Article
Plant community and soil properties drive arbuscular mycorrhizal fungal diversity: A case study in tropical forests
The mutual interdependence of plants and arbuscular mycorrhizal fungi (AMF) is important in carbon and mineral nutrient exchange. However, an understanding of how AMF community assemblies vary in different for...
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Article
Warming changes soil N and P supplies in model tropical forests
Few studies have examined the responses of soil nitrogen (N) and phosphorus (P) and the related microbial activities to warming in P-limited tropical forests. In this study, we investigated soil NO3−–N and exchan...
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Article
Warming effects on leaf nutrients and plant growth in tropical forests
Global warming affects plant growth and leaf nutrient concentrations in temperate forests. However, the effects of warming on plants in tropical forests are poorly understood. We investigated the effects of ex...
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Article
Open AccessRain-induced changes in soil CO2 flux and microbial community composition in a tropical forest of China
Rain-induced soil CO2 pulse, a rapid excitation in soil CO2 flux after rain, is ubiquitously observed in terrestrial ecosystems, yet the underlying mechanisms in tropical forests are still not clear. We conducted...
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Article
Warming effects on biomass and composition of microbial communities and enzyme activities within soil aggregates in subtropical forest
This study investigated the effects of warming (about 1 °C) on the biomass and composition of microbial communities and enzyme activities in soil macroaggregates and microaggregates. We fractionated the bulk s...
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Article
Nitrogen and phosphorus productivities of five subtropical tree species in response to elevated CO2 and N addition
The productivities of nitrogen and phosphorus (NP and PP) in plants have been greatly altered by increasing atmospheric carbon dioxide concentrations (CO2) and nitrogen (N) deposition. However, studies on this a...
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Article
Effects of simulated acid rain on soil and soil solution chemistry in a monsoon evergreen broad-leaved forest in southern China
Acid rain is an environmental problem of increasing concern in China. In this study, a laboratory leaching column experiment with acid forest soil was set up to investigate the responses of soil and soil solut...
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Article
Responses of Soil CO2 Efflux to Precipitation Pulses in Two Subtropical Forests in Southern China
This study was designed to examine the responses of soil CO2 efflux to precipitation pulses of varying intensities using precipitation simulations in two subtropical forests [i.e., mixed and broadleaf forests (MF...
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Article
Capacity of stem water conductivity for two eucalyptus (Eucalyptus urophylla) plantations in South China
The sap flux density (SFD) was used as a measure of water capacity through stems of eucalyptus in this paper. It was found that daily SFD increased with daily vapor pressure deficit (VPD) in nonlinear regression