Litter production and its water holding capability in typical plants communities in the hilly region of the Loess Plateau

Zhongyu, 王忠禹 Wang; Guobin, 刘国彬 Liu; Bing, 王兵 Wang; Jianfang, 汪建芳 Wang; Jing, 肖婧 Xiao; Zhaosong, 李兆松 Li

doi:10.5846/stxb201804270956

Cited by 2 publications

(2 citation statements)

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“…However, prolonged or excessive N addition generally exhibited negative effects on litter decomposition [43]. Nitrogen addition induces soil acidification, increases the osmotic pressure of the soil solution, and adversely affects microbial growth, which in turn inhibits litter decomposition [44,45].…”

Section: Simulation Of the Effect Of Nitrogen Deposition On Litter De...mentioning

confidence: 99%

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Nitrogen Deposition Modulates Litter Decomposition and Enhances Water Retention in Subtropical Forests

Xing,

Hu,

Song

et al. 2024

Forests

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Nitrogen (N) deposition influences litter decomposition and its water-holding capacity in forest ecosystems. Water conservation remains a priority, so understanding these interactions is vital for managing forests, especially in the Yunnan Plateau region. This study aimed to investigate the effects of simulated N deposition on litter decomposition and water-holding capacity in the Evergreen broad-leaf and Quercus aquifolioides forest in the central Yunnan Plateau. Indoor flooding experiments were performed alongside varied nitrogen deposition treatments. Litter decomposition rates under these treatments were evaluated using the Olson model. In the decomposition study, the N treatments in the Evergreen broad-leaved forest increased the remaining mass by 4.75%–17.50% and 2.09%–16.36% compared with the control (20.97 ± 0.44% and 42.43 ± 0.47%), while in the Quercus aquifolioides forest, the remaining mass of leaves and twigs decreased by 5.00% and 0.70% in the LN treatment compared with the control (35.47 ± 0.39% and 44.10 ± 1.18%) and the MN and HN treatments increased by 2.55%–8.13% and 5.61%–11.28%, respectively. Effects of increased N deposition on litter decomposition changed from promoting to inhibiting, as low N sped up decomposition but higher levels inhibited it. Additionally, N boosted the water-holding capacity of litter, especially in leaves. The litter from both forests displayed a notable ability to absorb water. Nitrogen deposition modulates litter decomposition and water retention properties. Specifically, high nitrogen deposition increases litter water-holding capacity by inhibiting the rate of litter decomposition, which in turn alters its mass remaining rate, lignin, and cellulose remaining rates. Efficient management of the studied forests leveraging nitrogen deposition can boost their water conservation potential, aiding in atmospheric precipitation absorption and surface runoff regulation.

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Section: Simulation Of the Effect Of Nitrogen Deposition On Litter De...mentioning

confidence: 99%

“…The degree of compactness of litter in the HN treatment was smaller than in the CK treatment, resulting in a decrease in the maximum water-holding capacity of the litter with an increase in its density. The HN treatment had a higher water-holding capacity due to its lower density [45].…”

Section: Simulation Of the Effect Of Nitrogen Deposition On The Water...mentioning

confidence: 99%

Nitrogen Deposition Modulates Litter Decomposition and Enhances Water Retention in Subtropical Forests

Xing,

Hu,

Song

et al. 2024

Forests

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Hydrological responses to litter density on runoff-infiltration patterns and water conservation in Pinus tabuliformis plantation

Cui

Pan

2023

Journal of Hydrology

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Litter production and its water holding capability in typical plants communities in the hilly region of the Loess Plateau

Cited by 2 publications

References 0 publications

Nitrogen Deposition Modulates Litter Decomposition and Enhances Water Retention in Subtropical Forests

Nitrogen Deposition Modulates Litter Decomposition and Enhances Water Retention in Subtropical Forests

Hydrological responses to litter density on runoff-infiltration patterns and water conservation in Pinus tabuliformis plantation

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