Invasion of moso bamboo into a Japanese cedar plantation affects the chemical composition and humification of soil organic matter

Wang, Hsueh-Ching; Tian, Guangming; Chiu, Chih‐Yu

doi:10.1038/srep32211

Cited by 37 publications

(35 citation statements)

References 28 publications

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“…Soil bacterial diversity in bamboo plantations showed a hump-backed trend, with less diversity at low and high elevations, and max-4880 Y.-T. Lin et al: Bacterial changes with temperature in bamboo soils imum diversity at middle elevations, and community structure formed different clusters at different elevations (Lin et al, 2015). Our parallel study showed that invasion of bamboo into adjacent forest soils increased humification of soil organic matter (SOM) (Wang et al, 2016b). In addition, changes in the SOM pool and the rate of humification with elevation were primarily affected by changes in climatic conditions along the elevation gradient in the bamboo plantations (Wang et al, 2016a).…”

Section: Introductionmentioning

confidence: 66%

Effects of temperature on the composition and diversity of bacterial communities in bamboo soils at different elevations

et al. 2017

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Abstract. Bamboo is an important resource distributed in mountain areas in Asia. Little is known about the impact of temperature changes on bamboo soil bacterial communities. In this study, responses of bacterial communities collected at 600, 1200, and 1800 m to different incubation temperatures (15, 20, and 35 • C) were examined using barcoded pyrosequencing and soil analyses. Soil respiration was greater at higher elevation and incubation temperature. The bacterial diversity decreased after 112 days of incubation at 35 • C. Before incubation, Acidobacteria and Proteobacteria were the most abundant phyla in all communities. The relative abundance of Acidobacteria generally decreased after 112 days of incubation at the three temperatures. α-Proteobacteria showed a similar trend, while γ -Proteobacteria increased after incubation, except in samples from 1800 m incubated at 35 • C. Non-metric multi-dimensional scaling analysis revealed structural variability under different incubation times and temperatures. Principal component analysis indicated that the bacterial structure in samples incubated at 35 • C correlated with temperature and soil respiration, while structures in samples incubated at 15 and 20 • C correlated with time. These results suggest that a temperature rise could result in increasing soil respiration and soluble carbon and nitrogen consumption as well as differentially influence bacterial diversity and structure at different elevations.

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Section: Introductionmentioning

confidence: 66%

Effects of temperature on the composition and diversity of bacterial communities in bamboo soils at different elevations

et al. 2017

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“…The growth of bamboo adds fresh litter to soils and causes the accumulation of SOM3031. Wang, et al 32. noted that bamboo litter contains a high portion of O-alkyl-C, a C functional group that can be easily decomposed by soil microbes, which is thought to contribute to increases in the labile organic C of soils.…”

Section: Discussionmentioning

confidence: 99%

Improvement in the biochemical and chemical properties of badland soils by thorny bamboo

Shiau

Wang

Chen

et al. 2017

Sci Rep

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Badland soils—which have high silt and clay contents, bulk density, and soil electric conductivity— cover a large area of Southern Taiwan. This study evaluated the amelioration of these poor soils by thorny bamboo, one of the few plant species that grows in badland soils. Soil physiochemical and biological parameters were measured from three thorny bamboo plantations and nearby bare lands. Results show that bamboo increased microbial C and N, soil acid-hydrolysable C, recalcitrant C, and soluble organic C of badland soils. High microbial biomass C to total organic C ratio indicates that soil organic matter was used more efficiently by microbes colonizing bamboo plantations than in bare land soils. High microbial respiration to biomass C ratio in bare land soils confirmed environmentally induced stress. Soil microbes in bare land soils also faced soil organic matter with the high ratio of recalcitrant C to total organic C. The high soil acid-hydrolysable C to total organic C ratio at bamboo plantations supported the hypothesis that decomposition of bamboo litter increased soil C in labile fractions. Overall, thorny bamboo improved soil quality, thus, this study demonstrates that planting thorny bamboo is a successful practice for the amelioration of badland soils.

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“…Alkyl‐C and aromatic‐C compounds—which contain high concentrations of recalcitrant substances such as surface waxes, cutins, lignin, and tannins—increased with the decomposition of easily degradable compounds of organic inputs (Baldock et al, ; Kögel‐Knabner, ). These patterns indicate that, regardless of vegetation type, recalcitrant substances are enriched in SOM as litter decomposes (Kögel‐Knabner, ; Wang, Tian, & Chiu, ). However, forest type can affect SOM composition through differences in organic C groups in the litter and roots (Schmidt et al, ).…”

Section: Discussionmentioning

confidence: 99%

“…Human management could also affect the SOM lability and stability during forest conversion. For instance, compared to the broadleaf forest and cedar secondary forest, the bamboo plantation received intensive field management—such as regular bamboo shoot harvesting, tilling, and fertilizer use—and this could have accelerated litter and SOM decomposition (Li et al, ) and resulted in a higher SOM humification stage and lower soil organic C (Li et al, ; Liu et al, ; Wang, Tian, & Chiu, ).…”

Section: Discussionmentioning

confidence: 99%

“…The changes in SOM stability and decomposability impact the local and regional C cycles, and the CO 2 exchange process between the soil and atmosphere (Larionova et al, ; Stockmann et al, ). SOM humification and soil C accumulation are sensitive to climatic and local environmental fluctuations and changes in land use and soil management (Wang et al, ; Wang et al, ).…”

Section: Introductionmentioning

confidence: 99%

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Response of Humic Acids and Soil Organic Matter to Vegetation Replacement in Subtropical High Mountain Forests

Wang

Tian²,

Chen

et al. 2019

JGR Biogeosciences

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Reforestation can alter the chemical composition of soil organic matter (SOM) and humification; however, information on how specific plant types impact SOM lability and humification is not well documented. In this study, we used solid‐state 13C nuclear magnetic resonance spectroscopy, photometric analysis, and chemical fractionation to examine carbon (C) components and lability of SOM in a Japanese cedar (Cryptomeria japonica) forest and bamboo (Phyllostachys edulis) plantation that reforested a cutover primary broadleaf forest. The ∆logK value of soil humic acids, the inverse index of SOM humification, was lowest in the bamboo plantation, suggesting a higher SOM humification stage in the bamboo plantation. The soil labile C/Total C ratio was highest in the bamboo plantation, and this can be attributed to low aromaticity and alkyl‐C/O‐alkyl‐C ratio (A/O‐A) in the bamboo litter. Intensive cultivation of the bamboo plantation accelerated litter breakdown in the strongly acidic soil, resulting in the depletion of SOM. Cedar coniferous leaves, with their high recalcitrant substances and slow decomposition, only slightly lowered SOM humification due to the substantial broadleaf understory. Our results suggest that the type of plants involved in reforestation and understory reestablishment is critical to how SOM humification and lability change during the reforestation through the control of litter C components. Further research into the interaction between microclimate change and forest type in forest conversion will be useful for increasing understanding on the impact of forest conversion on SOM lability and humification in subtropical high mountain forest ecosystems.

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Invasion of moso bamboo into a Japanese cedar plantation affects the chemical composition and humification of soil organic matter

Cited by 37 publications

References 28 publications

Effects of temperature on the composition and diversity of bacterial communities in bamboo soils at different elevations

Effects of temperature on the composition and diversity of bacterial communities in bamboo soils at different elevations

Improvement in the biochemical and chemical properties of badland soils by thorny bamboo

Response of Humic Acids and Soil Organic Matter to Vegetation Replacement in Subtropical High Mountain Forests

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