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Yangquanwei Zhong - One of the best experts on this subject based on the ideXlab platform.

  • Responses of mass loss and nutrient release in Litter Decomposition to ultraviolet radiation
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Ultraviolet (UV) radiation plays an important role in Litter Decomposition, but the direction and magnitude of its effect remain inconsistent. To determine the responses of Litter Decomposition and C and nutrient release to UV radiation, a meta-analysis that comprised 544 observations in field experiments was performed. The change in UV radiation had significant effects on Litter mass loss and Litter nitrogen (N) and phosphorus (P) release in field studies, and Litter types affected only the magnitude of UV radiation changes on mass loss and nutrient release. In addition, mass loss and nutrient release varied as the Decomposition process continued: UV enhancement accelerated Litter Decomposition only after 4 months of Decomposition, whereas the effect of UV attenuation on Litter Decomposition decreased with Decomposition time. The inhabitation of UV attenuation on Litter Decomposition increased with a decrease in precipitation. Overall, the different responses of mass loss and nutrient release in Litter Decomposition to changes in ultraviolet radiation may cause different C and nutrient cycling in terrestrial ecosystems in the Southern Hemisphere and Northern Hemisphere.

  • Nutrient limitation of Litter Decomposition with long-term secondary succession: evidence from controlled laboratory experiments
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Yangquanwei Zhong, Guangyu Zhu, Wenzhao Liu, Zhouping Shangguan
    Abstract:

    Understanding ecosystem processes such as Litter Decomposition in response to dramatic land-use change is critical for modeling and predicting carbon (C) cycles. However, the patterns of Litter Decomposition along with long-term secondary succession (over 100 years) are not well reported, especially concerning nutrient limitations on Litter Decomposition. To clarify the response of Litter Decomposition to changes in soil nutrient availability, we conducted four incubation experiments involving soil and Litter and nutrient addition from different successional stages and investigated the changes in microbial respiration and Litter mass loss. Our results revealed that microbial respiration increased with succession without any Litter addition (1.19~1.73 mg C g−1 soil), and Litter addition significantly promoted microbial respiration (16.5~72.9%), especially in the early successional stage (grassland and shrubland). The Decomposition rate of the same Litter decreased with succession. In addition, nitrogen (N) and phosphorus (P) addition showed significant effects on Litter Decomposition and microbial respiration; P addition promoted Litter Decomposition (2.4~15.3%) and microbial respiration (10.1~34.5%) in all successional stages, while N addition promoted Litter Decomposition (4.0~10.3%) and microbial respiration (5.4~27.2%) in all except the last stage of succession, which showed a negative effect on Litter Decomposition (− 7.5%) and microbial respiration (− 6.1%), indicating possible N saturation of Litter Decomposition and microbial respiration. This work highlights that soil nutrient availability and successional stages need to be taken into account to predict the changes to Litter Decomposition in response to global changes.

  • Different sensitivities of Litter Decomposition and nutrient release to ultraviolet radiation
    2018
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Abstract. Ultraviolet (UV) radiation plays an important role in Litter Decomposition. Despite years of research, it is still not fully understood that the role of UV radiation in Litter Decomposition and carbon (C) and nutrient release, as well as the direct (Litter decay directly exposed to UV) and indirect (plants received UV during growth) effects. In this study, a meta-analysis that comprised 54 published studies concerning UV radiation experiments, including 598 observations, was performed to quantify the responses of Litter Decomposition and C and nutrient release to UV radiation. The direct and indirect effects of UV-B enhancement on Litter Decomposition did not differ, but the direct effects of Litter weight loss were more sensitive than the indirect effects under UV attenuation. Changes in UV radiation did not affect Litter Decomposition under laboratory conditions, but Litter type only affected the rate of Decomposition. In addition, the weight loss under UV radiation exhibited three-stage temporal dynamics: UV enhancement accelerated Litter Decomposition but required UV accumulation, whereas the UV attenuation effect decreased with time. The Litter Decomposition rates increased with decreasing precipitation (

Gerhard Eisenbeis - One of the best experts on this subject based on the ideXlab platform.

  • Influence of modern soil restoration techniques on Litter Decomposition in forest soils
    Applied Soil Ecology, 1998
    Co-Authors: Christoph Emmerling, Gerhard Eisenbeis
    Abstract:

    Abstract The study assesses the influence of various soil preparation techniques for afforestation on Litter Decomposition in replanted forest soils. Techniques were compared in three different study areas in the western part of Germany on gleyic, dystric cambisol and gleyic luvisol soil types. The mechanical soil preparation techniques compared was part of a comprehensive restoration of acidic and partially compacted forest soils on previously wind-blown sites which includes soil loosening, mixing and liming of the top horizons up to a depth of 40 to 50 cm. Litter Decomposition studies were done using the minicontainer method of Eisenbeis, 1993 , Eisenbeis, 1994 and Eisenbeis et al. (1995) . Minicontainers with mesh sizes of 25, 250 and 2500 μm were implanted vertically into the soil up to a depth of 25 cm and were collected after 2, 6, 12, 24 and 48 weeks. Mesh sizes were so chosen to selectively include the Litter Decomposition activity of the microflora and the meso- and macrofauna, respectively over time and at different soil depths. Distinct differences in Litter Decomposition rates were found between study areas, soil preparation techniques, soil depth and mesh sizes. The Decomposition rate increased in the order gleyic luvisol, dystric cambisol and gleyic cambisol. Litter Decomposition was greater as a result of mechanical soil preparation and liming. In mechanically prepared soils, the extent of Litter Decomposition was less in the top horizon (0–6 cm) than in unprepared soil and greater at 6–24 cm soil depth. The greatest rates of Litter Decomposition occured when the total ground area was mechanically mixed compared with soil preparations restricted to loosened strips. After soil milling, soil properties as well as Litter Decomposition were more homogeneous as compared with soil loosening treatments. We conclude that, nearly two years after the total soil restoration process, all functional groups of soil organisms have been re-established. The minicontainer-test proved to be a valuable tool in studying Litter mass loss in the soil profile.

  • Influence of modern soil restoration techniques on Litter Decomposition in forest soils
    Applied Soil Ecology, 1998
    Co-Authors: Christoph Emmerling, Gerhard Eisenbeis
    Abstract:

    Abstract The study assesses the influence of various soil preparation techniques for afforestation on Litter Decomposition in replanted forest soils. Techniques were compared in three different study areas in the western part of Germany on gleyic, dystric cambisol and gleyic luvisol soil types. The mechanical soil preparation techniques compared was part of a comprehensive restoration of acidic and partially compacted forest soils on previously wind-blown sites which includes soil loosening, mixing and liming of the top horizons up to a depth of 40 to 50 cm. Litter Decomposition studies were done using the minicontainer method of Eisenbeis, 1993 , Eisenbeis, 1994 and Eisenbeis et al. (1995) . Minicontainers with mesh sizes of 25, 250 and 2500 μm were implanted vertically into the soil up to a depth of 25 cm and were collected after 2, 6, 12, 24 and 48 weeks. Mesh sizes were so chosen to selectively include the Litter Decomposition activity of the microflora and the meso- and macrofauna, respectively over time and at different soil depths. Distinct differences in Litter Decomposition rates were found between study areas, soil preparation techniques, soil depth and mesh sizes. The Decomposition rate increased in the order gleyic luvisol, dystric cambisol and gleyic cambisol. Litter Decomposition was greater as a result of mechanical soil preparation and liming. In mechanically prepared soils, the extent of Litter Decomposition was less in the top horizon (0–6 cm) than in unprepared soil and greater at 6–24 cm soil depth. The greatest rates of Litter Decomposition occured when the total ground area was mechanically mixed compared with soil preparations restricted to loosened strips. After soil milling, soil properties as well as Litter Decomposition were more homogeneous as compared with soil loosening treatments. We conclude that, nearly two years after the total soil restoration process, all functional groups of soil organisms have been re-established. The minicontainer-test proved to be a valuable tool in studying Litter mass loss in the soil profile.

Julia Seeber - One of the best experts on this subject based on the ideXlab platform.

  • Increased decomposer diversity accelerates and potentially stabilises Litter Decomposition
    Soil Biology & Biochemistry, 2015
    Co-Authors: Florian Kitz, Michael Steinwandter, Michael Traugott, Julia Seeber
    Abstract:

    Little is known about the effect of decomposer diversity on Litter Decomposition in alpine areas. Especially under the premise that alpine ecosystems are very sensitive to global change and are currently undergoing extensive land-use changes, a better understanding is needed to predict how environmental change will affect Litter Decomposition. A mesocosm experiment was conducted to compare the effects of the most common and functionally diverse invertebrates (earthworms, millipedes and sciarid larvae) found in alpine soils on Decomposition rates and to assess how decomposer diversity affects Litter Decomposition. Experimental and estimated (i.e. projected to field decomposer-biomass) Litter mass loss was 13–33% higher in the three-species treatment. Notably, the variability in Decomposition was greatly reduced when decomposer diversity was high, indicating a portfolio effect. Our results suggest that invertebrate decomposer diversity is essential for sustaining Litter Decomposition in alpine areas and for the stability of this service.

  • Increased decomposer diversity accelerates and potentially stabilises Litter Decomposition
    Soil biology & biochemistry, 2015
    Co-Authors: Florian Kitz, Michael Steinwandter, Michael Traugott, Julia Seeber
    Abstract:

    Little is known about the effect of decomposer diversity on Litter Decomposition in alpine areas. Especially under the premise that alpine ecosystems are very sensitive to global change and are currently undergoing extensive land-use changes, a better understanding is needed to predict how environmental change will affect Litter Decomposition. A mesocosm experiment was conducted to compare the effects of the most common and functionally diverse invertebrates (earthworms, millipedes and sciarid larvae) found in alpine soils on Decomposition rates and to assess how decomposer diversity affects Litter Decomposition. Experimental and estimated (i.e. projected to field decomposer-biomass) Litter mass loss was 13–33% higher in the three-species treatment. Notably, the variability in Decomposition was greatly reduced when decomposer diversity was high, indicating a portfolio effect. Our results suggest that invertebrate decomposer diversity is essential for sustaining Litter Decomposition in alpine areas and for the stability of this service.

Weiming Yan - One of the best experts on this subject based on the ideXlab platform.

  • Responses of mass loss and nutrient release in Litter Decomposition to ultraviolet radiation
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Ultraviolet (UV) radiation plays an important role in Litter Decomposition, but the direction and magnitude of its effect remain inconsistent. To determine the responses of Litter Decomposition and C and nutrient release to UV radiation, a meta-analysis that comprised 544 observations in field experiments was performed. The change in UV radiation had significant effects on Litter mass loss and Litter nitrogen (N) and phosphorus (P) release in field studies, and Litter types affected only the magnitude of UV radiation changes on mass loss and nutrient release. In addition, mass loss and nutrient release varied as the Decomposition process continued: UV enhancement accelerated Litter Decomposition only after 4 months of Decomposition, whereas the effect of UV attenuation on Litter Decomposition decreased with Decomposition time. The inhabitation of UV attenuation on Litter Decomposition increased with a decrease in precipitation. Overall, the different responses of mass loss and nutrient release in Litter Decomposition to changes in ultraviolet radiation may cause different C and nutrient cycling in terrestrial ecosystems in the Southern Hemisphere and Northern Hemisphere.

  • Nutrient limitation of Litter Decomposition with long-term secondary succession: evidence from controlled laboratory experiments
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Yangquanwei Zhong, Guangyu Zhu, Wenzhao Liu, Zhouping Shangguan
    Abstract:

    Understanding ecosystem processes such as Litter Decomposition in response to dramatic land-use change is critical for modeling and predicting carbon (C) cycles. However, the patterns of Litter Decomposition along with long-term secondary succession (over 100 years) are not well reported, especially concerning nutrient limitations on Litter Decomposition. To clarify the response of Litter Decomposition to changes in soil nutrient availability, we conducted four incubation experiments involving soil and Litter and nutrient addition from different successional stages and investigated the changes in microbial respiration and Litter mass loss. Our results revealed that microbial respiration increased with succession without any Litter addition (1.19~1.73 mg C g−1 soil), and Litter addition significantly promoted microbial respiration (16.5~72.9%), especially in the early successional stage (grassland and shrubland). The Decomposition rate of the same Litter decreased with succession. In addition, nitrogen (N) and phosphorus (P) addition showed significant effects on Litter Decomposition and microbial respiration; P addition promoted Litter Decomposition (2.4~15.3%) and microbial respiration (10.1~34.5%) in all successional stages, while N addition promoted Litter Decomposition (4.0~10.3%) and microbial respiration (5.4~27.2%) in all except the last stage of succession, which showed a negative effect on Litter Decomposition (− 7.5%) and microbial respiration (− 6.1%), indicating possible N saturation of Litter Decomposition and microbial respiration. This work highlights that soil nutrient availability and successional stages need to be taken into account to predict the changes to Litter Decomposition in response to global changes.

  • Different sensitivities of Litter Decomposition and nutrient release to ultraviolet radiation
    2018
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Abstract. Ultraviolet (UV) radiation plays an important role in Litter Decomposition. Despite years of research, it is still not fully understood that the role of UV radiation in Litter Decomposition and carbon (C) and nutrient release, as well as the direct (Litter decay directly exposed to UV) and indirect (plants received UV during growth) effects. In this study, a meta-analysis that comprised 54 published studies concerning UV radiation experiments, including 598 observations, was performed to quantify the responses of Litter Decomposition and C and nutrient release to UV radiation. The direct and indirect effects of UV-B enhancement on Litter Decomposition did not differ, but the direct effects of Litter weight loss were more sensitive than the indirect effects under UV attenuation. Changes in UV radiation did not affect Litter Decomposition under laboratory conditions, but Litter type only affected the rate of Decomposition. In addition, the weight loss under UV radiation exhibited three-stage temporal dynamics: UV enhancement accelerated Litter Decomposition but required UV accumulation, whereas the UV attenuation effect decreased with time. The Litter Decomposition rates increased with decreasing precipitation (

Zhouping Shangguan - One of the best experts on this subject based on the ideXlab platform.

  • Responses of mass loss and nutrient release in Litter Decomposition to ultraviolet radiation
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Ultraviolet (UV) radiation plays an important role in Litter Decomposition, but the direction and magnitude of its effect remain inconsistent. To determine the responses of Litter Decomposition and C and nutrient release to UV radiation, a meta-analysis that comprised 544 observations in field experiments was performed. The change in UV radiation had significant effects on Litter mass loss and Litter nitrogen (N) and phosphorus (P) release in field studies, and Litter types affected only the magnitude of UV radiation changes on mass loss and nutrient release. In addition, mass loss and nutrient release varied as the Decomposition process continued: UV enhancement accelerated Litter Decomposition only after 4 months of Decomposition, whereas the effect of UV attenuation on Litter Decomposition decreased with Decomposition time. The inhabitation of UV attenuation on Litter Decomposition increased with a decrease in precipitation. Overall, the different responses of mass loss and nutrient release in Litter Decomposition to changes in ultraviolet radiation may cause different C and nutrient cycling in terrestrial ecosystems in the Southern Hemisphere and Northern Hemisphere.

  • Nutrient limitation of Litter Decomposition with long-term secondary succession: evidence from controlled laboratory experiments
    Journal of Soils and Sediments, 2020
    Co-Authors: Weiming Yan, Yangquanwei Zhong, Guangyu Zhu, Wenzhao Liu, Zhouping Shangguan
    Abstract:

    Understanding ecosystem processes such as Litter Decomposition in response to dramatic land-use change is critical for modeling and predicting carbon (C) cycles. However, the patterns of Litter Decomposition along with long-term secondary succession (over 100 years) are not well reported, especially concerning nutrient limitations on Litter Decomposition. To clarify the response of Litter Decomposition to changes in soil nutrient availability, we conducted four incubation experiments involving soil and Litter and nutrient addition from different successional stages and investigated the changes in microbial respiration and Litter mass loss. Our results revealed that microbial respiration increased with succession without any Litter addition (1.19~1.73 mg C g−1 soil), and Litter addition significantly promoted microbial respiration (16.5~72.9%), especially in the early successional stage (grassland and shrubland). The Decomposition rate of the same Litter decreased with succession. In addition, nitrogen (N) and phosphorus (P) addition showed significant effects on Litter Decomposition and microbial respiration; P addition promoted Litter Decomposition (2.4~15.3%) and microbial respiration (10.1~34.5%) in all successional stages, while N addition promoted Litter Decomposition (4.0~10.3%) and microbial respiration (5.4~27.2%) in all except the last stage of succession, which showed a negative effect on Litter Decomposition (− 7.5%) and microbial respiration (− 6.1%), indicating possible N saturation of Litter Decomposition and microbial respiration. This work highlights that soil nutrient availability and successional stages need to be taken into account to predict the changes to Litter Decomposition in response to global changes.

  • Different sensitivities of Litter Decomposition and nutrient release to ultraviolet radiation
    2018
    Co-Authors: Weiming Yan, Zhouping Shangguan, Yangquanwei Zhong
    Abstract:

    Abstract. Ultraviolet (UV) radiation plays an important role in Litter Decomposition. Despite years of research, it is still not fully understood that the role of UV radiation in Litter Decomposition and carbon (C) and nutrient release, as well as the direct (Litter decay directly exposed to UV) and indirect (plants received UV during growth) effects. In this study, a meta-analysis that comprised 54 published studies concerning UV radiation experiments, including 598 observations, was performed to quantify the responses of Litter Decomposition and C and nutrient release to UV radiation. The direct and indirect effects of UV-B enhancement on Litter Decomposition did not differ, but the direct effects of Litter weight loss were more sensitive than the indirect effects under UV attenuation. Changes in UV radiation did not affect Litter Decomposition under laboratory conditions, but Litter type only affected the rate of Decomposition. In addition, the weight loss under UV radiation exhibited three-stage temporal dynamics: UV enhancement accelerated Litter Decomposition but required UV accumulation, whereas the UV attenuation effect decreased with time. The Litter Decomposition rates increased with decreasing precipitation (