Introducing nitrogen-fixing tree species and mixing with Pinus massoniana alters and evenly distributes various chemical compositions of soil organic carbon in a planted forest in southern China

Wang, Hui; Liu, Shirong; Song, Zexing; Yu, Yang; Wang, Jingxin; You, Yeming; Zhou, Xiao; Shi, Zuomin; Nong, You; Ming, Angang; Lu, Ling; Cai, Daoxiong

doi:10.1016/j.foreco.2019.117477

Cited by 34 publications

(24 citation statements)

References 47 publications

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“…In addition, C. korshinskii was not only a deciduous tree species, but also a leguminous tree species. The leguminous tree species had higher nitrogen and carbon input from xation (Wang et al 2019). Gei and Powers (2013) compared the effects of legumes and non-legumes tree species on soil properties in Costa Rican dry plantations, who con rmed that legumes had higher soil TC, TN, and nitrate nitrogen contents.…”

Section: Discussionmentioning

confidence: 99%

Effects of Tree Species and Soil Enzyme Activities on Soil Nutrients in The Dryland Plantations

Han

Sun

et al. 2021

Preprint

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Background Long-term afforestation of different tree species strongly changes the soil physicochemical and biological properties. However, how tree species through litter quality and soil enzyme activities affect the succession of soil nutrients is still unclear in the dryland plantations. In this study, samples of surface soil (0–20 cm) and woody litter were collected from 55 years Caragana korshinskii, and 50 years Armeniaca sibirica, Populus hopeiensis, Platycladus orientalis, and Pinus tabulaeformis, and the natural grassland, and tested for the carbon, nitrogen, phosphorus, and potassium contents, as well as the soil sucrase (SC), urease (UE), and alkaline phosphorus (ALP) activities. Results We found that long-term dryland plantations increased soil total carbon (TC) by 1.69%-28.42%, but significantly decreased soil total phosphorus (TP) and total potassium (TK) by 11.87%-30.58% and 4.69%-8.25%. The C. korshinskii significantly increased soil TC, organic carbon (OC), total nitrogen (TN), available nitrogen (AN), available potassium (AK), UE, and ALP by 28.42%, 56.08%, 57.41%, 107.25%, 10.29%, 11.00%, and 107.81%, respectively, and also raised soil available phosphorus (AP) by 18.56%; while the P. orientalis significantly decreased soil TN, TP, AP, TK, AK, and UE by 38.89%, 30.58%, 76.39%, 8.25%, 8.33%, and 18.97%, respectively, and also reduced soil SC and ALP by 3.84% and 25.32%, compared to those in grassland. In addition, the C. korshinskii produced high-quality litter with lower carbon, the highest nitrogen and phosphorus, and higher potassium contents than those of P. orientalis. The litter chemical properties and soil enzyme activities together explained 62.2% of the total variation of soil nutrients, especially the litter phosphorus (LP) and soil ALP. Therefore, the tree species, LP, and soil ALP were key factors driving soil nutrient succession in dryland plantations. And the significantly positive coupling relationship between nitrogen and phosphorus in the "litter-enzyme-soil" system revealed that the improvement of nitrogen level promoted the phosphorus cycle of the ecosystem. Conclusions This study suggests choosing leguminous tree species with high-quality litter to establish plantations in the phosphorus-limited dryland, which will improve soil nutrients and alleviate nutrient limitations by adjusting soil enzyme activities.

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Section: Discussionmentioning

confidence: 99%

Effects of Tree Species and Soil Enzyme Activities on Soil Nutrients in The Dryland Plantations

Han

Sun

et al. 2021

Preprint

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“…In majority of the forest stands, only about a third of carbon are stored in living plants as biomass; the remaining two-thirds are in soils as SOC and litter (Law et al 2004;Sun et al 2004). Soil carbon retention and stability have emerged as of recent research interest (You et al 2014;Wang et al 2015Wang et al , 2019aSun et al 2019). Soil organic carbon storage and turnover are affected by climate, management, and disturbance, leading to spatial and temporal variations (Giardina and Ryan 2000; Schuur et al 2001).…”

Section: Forest Carbon Sequestrationmentioning

confidence: 99%

“…Soil organic carbon storage and turnover are affected by climate, management, and disturbance, leading to spatial and temporal variations (Giardina and Ryan 2000; Schuur et al 2001). The stability and long-term stores of soil organic carbon may be determined by chemical recalcitrance and physical protection of carbon compounds and complexing (Sollins et al 1996;Wang et al 2019a). Soil organic carbon is generally better preserved in humid soils and under low temperatures (Schuur et al 2001;Sun et al 2004Sun et al , 2019.…”

Section: Forest Carbon Sequestrationmentioning

confidence: 99%

Reconciliation of research on forest carbon sequestration and water conservation

Farooqi

Liu

et al. 2020

J. For. Res.

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Carbon sequestration and water conservation are two of the key ecosystem services that forests provide for societal need to address environmental issues. Optimization of the dual services is the ultimate goal in forest management for mitigating global climate change and safeguarding terrestrial water balance. However, there are some tradeoffs between gain in forest productivity and ecosystem water balance. We conducted literature review based on published articles for learned knowledge on forest carbon fixation and hydrological regulations. Some knowledge gaps and research needs are identified by examining the inter-connections between forest carbon sequestration and water conservation. Past researches have helped gain basic understanding of the mechanisms and controls of forest carbon fixation and hydrological regulations as two separate issues. Tools and approaches are well established for quantifying and monitoring forest carbon and hydrological issues, operating at different spatial and temporal scales. There are knowledge gaps on how to design afforestation schemes facilitating enhanced ecosystem services in forest carbon sequestration and water conservation. For the top-down planning of afforestation in regions where water availability is anticipated to be problematic, the questions of how much and where to plant for given land availability, known environmental implications, and sustained regional development and livelihood need to be addressed. For local management considerations, the questions of what and how to plant prevail. Efforts are needed in joint studies of forest carbon sequestration and water conservation functionalities, specifically in relation to establishment and management of planted forests aiming for delivering regulatory ecosystem services in carbon sequestration, water conservation and other social values. We propose an integrated framework with dual consideration of carbon sequestration and water conservation in forest management for future research pursue.

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“…Studies also found several influential factors on soil chemical properties under natural restored forests. While soil degradation due to deforestation has significant negative effects on chemical soil properties (Sanji et al 2020), reforestation has a positive effect on soil quality according to the selected tree species (Wang et al 2019). Tree species not only improve soil chemical quality through litter, but also through root exudates.…”

Section: Introductionmentioning

confidence: 99%

Soil fauna communities and microbial activities response to litter and soil properties under degraded and restored forests of Hyrcania

Bazyari¹,

Etemad²,

Kooch³

et al. 2021

iForest

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Introducing nitrogen-fixing tree species and mixing with Pinus massoniana alters and evenly distributes various chemical compositions of soil organic carbon in a planted forest in southern China

Cited by 34 publications

References 47 publications

Effects of Tree Species and Soil Enzyme Activities on Soil Nutrients in The Dryland Plantations

Effects of Tree Species and Soil Enzyme Activities on Soil Nutrients in The Dryland Plantations

Reconciliation of research on forest carbon sequestration and water conservation

Soil fauna communities and microbial activities response to litter and soil properties under degraded and restored forests of Hyrcania

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