Long-term response of living forest biomass to extensive logging in subtropical China

Zhang, Hua; Meng, Shengwang; Liu, Qijing

doi:10.1007/s11676-018-0761-z

Cited by 4 publications

(6 citation statements)

References 31 publications

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“…However, higher plant diversity that may result in greater ecosystem productivity has aroused widespread attention and disagreement over recent decades. Some previous research showed that mixed species composition did not increase aboveground productivity in the study area [37,38].…”

Section: Introductionmentioning

confidence: 67%

“…Four sites were approximately 800-3000 m from each other. All plots were similar in topography and site conditions [37].…”

Section: Methodsmentioning

confidence: 99%

“…For the tree rings of the primary forest plot, the ring width quality control was crossdated using COFECHA [50]. Using the tree ring analysis, the DBH (diameter at breast high) in any year can be developed based on the ring width variation of each year [37,48]. The total aboveground biomass increment in Mg ha −1 year −1 is then calculated using the following allometric equation for tree layers [37]:…”

Section: Methodsmentioning

confidence: 99%

“…After the initial planting, a forest tending approach was implemented for 1 and 5 years. More supporting information on tree species composition, stand structure, hydrological characteristics, and soil parameters can be found in previous publications conducted at the same research site [37,48,49]. Meteorological data (air temperature, maximum air temperature, minimum air temperature, and precipitation) measured by a ground meteorological station ( Figure 1) were available to inform the calculation of the correlation with stand aboveground productivities.…”

Section: Research Sitementioning

confidence: 99%

“…In addition, enhanced forest productivity in mixed species stands was related to factors that influence ecosystem functioning, especially those factors influencing the differences between plant species, such as site conditions [33], shade tolerance [34], crown phenology, canopy structure [34], root depth [35], and the rhizosphere microbiome [36]. The influence of these interactions gives rise to the greatest uncertainties in estimating future forest productivity and biodiversity [37]. However, higher plant diversity that may result in greater ecosystem productivity has aroused widespread attention and disagreement over recent decades.…”

Section: Introductionmentioning

confidence: 99%

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Exploring the Sensitivity of Subtropical Stand Aboveground Productivity to Local and Regional Climate Signals in South China

Zhang¹,

Luo²,

Zhou

et al. 2019

Forests

Self Cite

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Subtropical forest productivity is significantly affected by both natural disturbances (local and regional climate changes) and anthropogenic activities (harvesting and planting). Monthly measures of forest aboveground productivity from natural forests (primary and secondary forests) and plantations (mixed and single-species forests) were developed to explore the sensitivity of subtropical mountain productivity to the fluctuating characteristics of climate change in South China, spanning the 35-year period from 1981 to 2015. Statistical analysis showed that climate regulation differed across different forest types. The monthly average maximum temperature, precipitation, and streamflow were positively correlated with primary and mixed-forest aboveground net primary productivity (ANPP) and its components: Wood productivity (WP) and canopy productivity (CP). However, the monthly average maximum temperature, precipitation, and streamflow were negatively correlated with secondary and single-species forest ANPP and its components. The number of dry days and minimum temperature were positively associated with secondary and single-species forest productivity, but inversely associated with primary and mixed forest productivity. The multivariate ENSO (EI Niño-Southern Oscillation) index (MEI), computed based on sea level pressure, surface temperature, surface air temperature, and cloudiness over the tropical Pacific Ocean, was significantly correlated with local monthly maximum and minimum temperatures (Tmax and Tmin), precipitation (PRE), streamflow (FLO), and the number of dry days (DD), as well as the monthly means of primary and mixed forest aboveground productivity. In particular, the mean maximum temperature increased by 2.5, 0.9, 6.5, and 0.9 °C, and the total forest aboveground productivity decreased by an average of 5.7%, 3.0%, 2.4%, and 7.8% in response to the increased extreme high temperatures and drought events during the 1986/1988, 1997/1998, 2006/2007, and 2009/2010 EI Niño periods, respectively. Subsequently, the total aboveground productivity values increased by an average of 1.1%, 3.0%, 0.3%, and 8.6% because of lagged effects after the wet La Niña periods. The main conclusions of this study demonstrated that the influence of local and regional climatic fluctuations on subtropical forest productivity significantly differed across different forests, and community position and plant diversity differences among different forest types may prevent the uniform response of subtropical mountain aboveground productivity to regional climate anomalies. Therefore, these findings may be useful for forecasting climate-induced variation in forest aboveground productivity as well as for selecting tree species for planting in reforestation practices.

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Section: Introductionmentioning

confidence: 67%

“…Four sites were approximately 800-3000 m from each other. All plots were similar in topography and site conditions [37].…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Research Sitementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Exploring the Sensitivity of Subtropical Stand Aboveground Productivity to Local and Regional Climate Signals in South China

Zhang¹,

Luo²,

Zhou

et al. 2019

Forests

Self Cite

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The biodiversity and ecosystem service contributions and trade-offs of forest restoration approaches

Hua

Bruijnzeel

Meli

et al. 2022

Science

305

121

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Forest restoration is being scaled-up globally to deliver critical ecosystem services and biodiversity benefits, yet we lack rigorous comparison of co-benefit delivery across different restoration approaches. In a global synthesis, we use 25,950 matched data pairs from 264 studies in 53 countries to assess how delivery of climate, soil, water, and wood production services as well as biodiversity compares across a range of tree plantations and native forests. Carbon storage, water provisioning, and especially soil erosion control and biodiversity benefits are all delivered better by native forests, with compositionally simpler, younger plantations in drier regions performing particularly poorly. However, plantations exhibit an advantage in wood production. These results underscore important trade-offs among environmental and production goals that policymakers must navigate in meeting forest restoration commitments.

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Innovative Development Path of E-Commerce and Civil and Commercial Law in the Information Age Based on Discrete Regression Algorithm

Geng

2023

Applied Mathematics and Nonlinear Sciences

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The e-commerce industry has brought convenience, fundamentally realizing a mode of life in which purchases can be made without leaving home. Civil and commercial law is an effective guarantee to ensure that the rights and interests of buyers and sellers are not infringed so that the whole transaction process of buying and selling has clear rights and responsibilities and improves the e-commerce market. The article uses a discrete regression model to innovate the development path of e-commerce and commercial and civil law through four stages: analysis of influencing factors of e-commerce development under civil, and commercial law, hierarchical clustering analysis of e-commerce data, prediction of rights and interests of buyers and sellers in the e-commerce industry, and generation of development path integrated into civil, commercial law. An apparel department store enterprise is used as the research object to test the practical effect of the innovative development path. The adjusted goodness-of-fit coefficient of the civil and commercial law factors is 0.932, and the Pearson correlation coefficient is 0.954, which has the greatest influence on this e-commerce enterprise. The cumulative turnover in the recent year was as high as $11210142, and the realized revenue was $2045277. The turnover growth rate in the second quarter reached 251 percentage points. This is sufficient to show that the innovative research on the development path can innovate e-commerce by integrating civil and commercial law and make the e-commerce industry develop in a better direction.

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Long-term response of living forest biomass to extensive logging in subtropical China

Cited by 4 publications

References 31 publications

Exploring the Sensitivity of Subtropical Stand Aboveground Productivity to Local and Regional Climate Signals in South China

Exploring the Sensitivity of Subtropical Stand Aboveground Productivity to Local and Regional Climate Signals in South China

The biodiversity and ecosystem service contributions and trade-offs of forest restoration approaches

Innovative Development Path of E-Commerce and Civil and Commercial Law in the Information Age Based on Discrete Regression Algorithm

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