The roles of initial litter traits in regulating litter decomposition: a “common plot” experiment in a subtropical evergreen broadleaf forest

Li, Qian; Zhang, Menghua; Geng, Qinghong; Jin, Changshan; Zhu, Jianqin; Ruan, Honghua; Xu, Xia

doi:10.1007/s11104-020-04563-8

Cited by 27 publications

(12 citation statements)

References 58 publications

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“…In each water level in this study, the litter in the nutrient enrichment treatment decomposed faster than that in the nutrient control treatment (Table 1), which was in accordance with previous studies [19,26]. By comparing the real-time decomposition rate of litter in the nutrient enrichment treatment and the nutrient control treatment at 70 days, we found that nutrient enrichment could not only accelerate the decomposition rate of litter, but might even prolong the decomposition process and reduce nutrient residues.…”

Section: Plos Onesupporting

confidence: 90%

“…However, the results of Spearman correlation analysis showed that the limiting factor for the real-time decomposition rate in our study was not N concentration but P concentration (p < 0.05, S3 Table ). Consistent with the decomposition rate, the real-time decomposition rate also had significantly negative correlation with C concentration and C/N ratio [19,52,72]. C/N ratio could reflect the ratio of carbohydrates to proteins which is an essential property of litter [73].…”

Section: Plos Onesupporting

confidence: 53%

“…In November 2018, the litter of A. philoxeroides, consisting of leaves and stems, were collected from Xinxue River Constructed Wetland in Nansi Lake (34˚27 0 −352 0 0 E, 116˚34 0 −117˚21 0 N), Shandong Province. The collected litter was dried in an oven at 65˚C to a constant weight followed many related studies [19,50]. The dried plants were cut into 10 cm long and weighed about 20 g as one sample.…”

Section: Litter Collection and Experimental Designmentioning

confidence: 99%

“…The litter in retrieved litterbags was washed with pure water and dried to a constant weight in the oven at 65˚C [19]. The remaining litter was weighed, ground, sieved by 0.21 mm sieve, and then stored in sealed bags prior to chemical analyses.…”

Section: Laboratory Analysismentioning

confidence: 99%

“…The litter decomposition of invasive plants in wetlands could be regulated by several external factors like physical and chemical conditions in water [16,17] and intrinsic factors like initial concentrations of nutrients [18,19]. In wetland ecosystems, hydrology is an important factor affecting the litter decomposition [20].…”

Section: Introductionmentioning

confidence: 99%

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The decomposition process and nutrient release of invasive plant litter regulated by nutrient enrichment and water level change

Yang

Dong

et al. 2021

PLoS ONE

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Wetlands are vulnerable to plant invasions and the decomposition of invasive plant litter could make impacts on the ecosystem services of wetlands including nutrient cycle and carbon sequestration. However, few studies have explored the effects of nutrient enrichment and water level change on the decomposition of invasive plant litter. In this study, we conducted a control experiment using the litterbag method to compare the decomposition rates and nutrient release in the litter of an invasive plant Alternanthera philoxeroides in three water levels and two nutrient enrichment treatments. This study found that the water level change and nutrient enrichment showed significant effects on the litter decomposition and nutrient dynamic of A. philoxeroides. The increase of water level significantly reduced the decomposition rate and nutrient release of litter in the nutrient control treatment, whereas no clear relationship was observed in the nutrient enrichment treatment, indicating that the effect of water level change on litter decomposition might be affected by nutrient enrichment. At the late stage of decomposition, the increase of phosphorus (P) concentration and the decrease of the ratio of carbon to P suggested that the decomposition of invasive plant litter was limited by P. Our results suggest that controlling P enrichment in water bodies is essential for the management of invasive plant and carbon sequestration of wetlands. In addition, the new index we proposed could provide a basis for quantifying the impact of invasive plant litter decomposition on carbon cycle in wetlands.

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Section: Plos Onesupporting

confidence: 90%

Section: Plos Onesupporting

confidence: 53%

Section: Litter Collection and Experimental Designmentioning

confidence: 99%

Section: Laboratory Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The decomposition process and nutrient release of invasive plant litter regulated by nutrient enrichment and water level change

Yang

Dong

et al. 2021

PLoS ONE

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Accumulation of sodium and manganese during litter decomposition of Qinghai spruce (Picea crassifolia) forest in China

Zhao,

Zang,

Huang

et al. 2024

Ecosphere

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Litter decomposition is a key ecological process as a control on nutrient cycling in forest ecosystems. Forest litter is an important carrier of element cycles in forest ecosystems. The biogeochemical cycle of elements is of great significance to plant communities and ecosystem functions. At present, most of the studies on the litter major elements have focused only on C, N, and P, and there are few studies on the biogeochemical cycle of sodium (Na) and manganese (Mn) of forest litter. In this study, we investigated the concentrations and fluxes of Na and Mn in needle litter of Qinghai spruce over a 12‐month period. We measured the release and accumulation dynamics of litter Na and Mn during litter decomposition at different canopy coverage and elevations over 3.9 years. The results show that the annual Na and Mn concentrations were 312.34 and 621.19 mg kg−1, and the annual fluxes of Na and Mn were 236.67 and 343.16 g ha−1 in needle litter, respectively. After 3.9 years of litter decomposition, Na released 15.6% and Mn accumulated 93.4% compared to the initial concentration. The concentration of Na and Mn in needle litter both accumulated fastest at low canopy coverage. The concentrations of Na and Mn were different at various elevations, but there was no obvious regularity. These results illustrate the seasonal characteristics of litter element return and nutrient cycling during litter decomposition in typical coniferous forests in the Qilian Mountains and could provide basic data and theoretical basis for ecological protection in the Qilian Mountains.

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Bamboo Expansion and Soil Carbon Cycle

Zhang

2023

Bamboo Expansion: Processes, Impacts, and Management

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The roles of initial litter traits in regulating litter decomposition: a “common plot” experiment in a subtropical evergreen broadleaf forest

Cited by 27 publications

References 58 publications

The decomposition process and nutrient release of invasive plant litter regulated by nutrient enrichment and water level change

The decomposition process and nutrient release of invasive plant litter regulated by nutrient enrichment and water level change

Accumulation of sodium and manganese during litter decomposition of Qinghai spruce (Picea crassifolia) forest in China

Bamboo Expansion and Soil Carbon Cycle

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