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Afforestation with an age-sequence of Mongolian pine plantation promotes soil microbial residue accumulation in the Horqin Sandy Land, China

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Journal of Arid Land 2024年第4期16卷 567-579页

作者： GUO Jingwen SONG Xueshu WANG Xiao DU Zhangliu LU Sen State Key Laboratory of Efficient Production of forest resources Research Institute of ForestryChinese Academy of ForestryBeijing 100091China Co-Innovation Center for Sustainable forestry in Southern China Nanjing Forestry UniversityNanjing 210037China college of resources and environmental Sciences China Agricultural UniversityBeijing 100193China

Land use change affects the balance of organic carbon(C)reserves and the global C *** residues are essential constituents of stable soil organic C(SOC).However,it remains unclear how microbial residue changes over time following *** this study,16-,23-,52-,and 62-year-old Mongolian pine stands and 16-year-old cropland were studied in the Horqin Sandy Land,*** analyzed changes in SOC,amino sugar content,and microbial parameters to assess how microbial communities influence soil C transformation and *** results showed that SOC storage increased with stand age in the early stage of afforestation but remained unchanged at about 1.27-1.29 kg/m2 after 52 ***,there were consistent increases in amino sugars and microbial residues with increasing stand *** stand age increased from 16 to 62 a,soil pH decreased from 6.84 to 5.71,and the concentration of total amino sugars increased from 178.53 to 509.99 mg/kg.A significant negative correlation between soil pH and the concentration of specific and total amino sugars was observed,indicating that the effects of soil acidification promote amino sugar stabilization during *** contrast to the Mongolian pine plantation of the same age,the cropland accumulated more SOC and microbial residues because of fertilizer *** Mongolian pine plantation with different ages,there was no significant change in calculated contribution of bacterial or fungal residues to SOC,suggesting that fungi were consistently the dominant contributors to SOC with increasing *** results indicate that afforestation in the Horqin Sandy Land promotes efficient microbial growth and residue accumulation in SOC stocks and has a consistent positive impact on SOC persistence.

关键词： soil organic matter stand age biomarker amino sugars microbial residues

Effects of thinning on the understory light environment of different stands and the photosynthetic performance and growth of the reforestation species Phoebe bournei

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Journal of forestry Research 2024年第1期35卷 12-28页

作者： Shicheng Su Nianqing Jin Xiaoli Wei college of forestry Guizhou UniversityGuiyang 550025People’s Republic of China Institute for forest resources and environment of Guizhou Guizhou UniversityGuiyang 550025People’s Republic of China

Light levels determine regeneration in stands and a key concern is how to regulate the light environment of different stand types to the requirements of the *** this study,we selected three stands typical in south China(a Cryptomeria japonica plantation,a Quercus acutissima plantation,and a mixed stand of both)and three thinning intensities to determine the best understory light environ-ment for 3-year-old Phoebe bournei *** canopy structure,understory light environment,and photosynthe-sis and growth indicators were assessed following *** improved canopy structure and understory light availability of each stand;species composition was the reason for differences in the understory light *** the same thinning intensity,the mixed stand had the greatest light radiation and most balanced spectral *** photosynthesis and growth were closely related to the light environment;all three stands required heavy thinning to create an effective and sustained understory light *** a suitable understory light environment,the efficiency of light interception,absorption,and use by seedlings was enhanced,resulting in a higher carbon assimilation the main limiting factor was stomatal *** a shade-avoidance signal,red/far-red radia-tion is a critical factor driving changes in photosynthesis and growth of *** seedlings,and a reduction increased light absorption and use capacity and height:diameter *** growth advantage transformed from diameter to height,enabling seedlings to access more *** findings suggest that the regeneration of shade-tolerant species such as *** could be enhanced if a targeted approach to thinning based on stand type was adopted.

关键词： Thinning Understory light environment Phoebe bournei Photosynthetic performance Growth performance

A Bibliometric Analysis Unveils Valuable Insights into the Past,Present,and Future Dynamics of Plant Acclimation to Temperature

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Phyton-International Journal of Experimental Botany 2024年第2期93卷 291-312页

作者： Yong Cui Yongju Zhao Shengnan Ouyang Changchang Shao Liangliang Li Honglang Duan Institute for forest resources&environment of Guizhou Key Laboratory of Forest Cultivation in Plateau Mountain of Guizhou ProvinceCollege of ForestryGuizhou UniversityGuiyangChina

Plant temperature acclimation is closely related to maintaining a positive carbon gain under future climate ***,no systematic summary of the field has been *** on this,we analyzed data on plant temperature acclimation from the Web of Science Core Collection database using bibliometric software R,RStudio and *** study demonstrated that a stabilized upward trajectory was noted in publications(298 papers)from 1986 to 2011,followed by a swift growth(373 papers)from 2012 to *** most impactful journals were Plant Cell and environment,boasting the greatest count of worldwide citations and articles,the highest H-index and G-index,followed by Global Change Biology and New Phytologist,and Frontiers in Plant Science which had the highest *** USA and China were identified as the most influential countries,while Atkin was the most influential author,and the Chinese Academy of Sciences was the most influential research *** most cited articles were published in the Annual Review of Plant Biology in 1999.“Cold acclimation”was the most prominent *** plant temperature acclimation research is expected to focus on thermal acclimation and photosynthesis,which have important significance for future agricultural production,forestry carbon sequestration,and global food *** general,this study provides a systematic insight of the advancement,trend,and future of plant temperature acclimation research,enhancing the comprehension of how plants will deal with forthcoming climate change.

关键词： Temperature acclimation plant responses climate change bibliometric

Copper-based nanomaterials as peroxidase candidates for intelligent colorimetric detection and antibacterial applications

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Particuology 2024年第1期84卷 126-135页

作者： Yanyan Huang Huimin Zhong Cong Jiang Jiahui Yang Jingwen Zhang Fei Zhao Chaoqun Liu college of Light Industry and Food Engineering Nanjing Forestry UniversityNanjing210037China college of Pharmacy Institutes of Environment and MedicineHenan UniversityKaifeng475004China

With natural polyphenol compound tannic acid(TA)as the ingredient,copper tannate(CuTA)nanolayer material was formed by self-assembly under the conditions of heating and copper *** ion and tannic acid could coordinate to form Cu-O-C structure which was similar to the Fe-N-C structure of natural heme *** addition,the obtained CuTA nanomaterial possessed excellent peroxidase-like catalytic activity and *** on this excellent enzymatic activity,CuTA nanomaterials could be used for colorimetric detection of hydrogen peroxide with a smartphone and decomposition of organic *** on the structural characteristics and catalytic activity,the copper tannate nanozymes could also serve as potential antibacterial reagents to effectively inhibit the growth of gram-negative and positive bacteria in a low hydrogen peroxide *** work may promote the exploration of novel peroxidase mimetics and broaden the applications of nanozymes.

关键词： Nanozyme Colorimetric detection Smartphone Antibacteria

How topography and neighbor shape the fate of trees in subtropical forest restoration:environmental filtering and resource competition drive natural regeneration

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forest Ecosystems 2024年第1期11卷 73-86页

作者： Haonan Zhang Xingshuo Zhang Yingying Lv Yanyan Ni Baokun Xu Xiangnan Han Xiao Cao Qingpei Yang Wanggu Xu Zhedong Qian Innovative Research Team for forest Restoration Mechanisms Nanjing Institute of Environmental SciencesMinistry of Ecology and Environment(MEE)Nanjing 210042China college of forestry Jiangxi Agricultural UniversityNanchang 330045China

The structure of plant communities at local scales depends on both the spatial heterogeneity of abiotic environmental factors and the biotic interactions within the ***,although environmental filtering due to microtopographic heterogeneity and resource competition among plants caused by spatial variation in tree density and size are considered to be very important in explaining the mechanisms of community assembly,their effects on the processes of individual mortality and recruitment in natural forest regeneration,as well as their relative contributions,are still poorly *** address this,we established a 12-ha permanent plot in a subtropical evergreen broad-leaved forest area and measured microtopographic variables such as elevation,slope,aspect,and terrain position index(TPI)using a total *** monitored the individual mortality and recruitment in forest natural regeneration through repeated surveys at 5-year *** fitted spatial covariance models to jointly use multiple factors from three groups of variables(microtopographic effect,neighborhood density effects,neighborhood size effects)as explanatory variables to analyze their roles in driving the mortality and recruitment of all individual and 12 dominant species in forest natural regeneration at the neighborhood *** results show that:(1)In the crucial early stages of secondary forest restoration,natural regeneration is influenced by a synergy of environmental filtering,due to microtopographic heterogeneity,and resource competition among plants.(2)For distinct species responses,evergreen dominant species'mortality is largely explained by neighborhood effects,while deciduous species are more affected by topographic ***,the adverse effects of larger conspecific trees on younger trees indicate a pattern of competitive pressure leading to mortality among regenerating trees,such pattern emphasis the influence of parent trees on natural regeneration.(3)As trees g

关键词： Natural regeneration Microtopography Neighborhood effects Mortality and recruitment

An arch-shape wood evaporator decorated by metal-organic framework for solar interface evaporation

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Nano Research 2024年第7期17卷 6661-6672页

作者： Tiantian Wu Liming Zhao Yaning Xu Ziwei Cui Lixing Kang Yahui Cai Zupeng Chen Dan Tian Co-Innovation Center of Efficient Processing and Utilization of forest resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China Key Laboratory of Multifunctional Nanomaterials and Smart Systems Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou 215123China college of Materials Science and Engineering Nanjing Forestry UniversityNanjing 210037China

To achieve sustainable desalination and water purification,solar interface evaporation technology is an effective means due to its high energy *** photothermal conversion materials and surface design are crucial for the interfacial solar evaporation *** to design water transport routes and thermal insulating layers simultaneously is one of the major challenges to solar interface evaporation technology ***,this work reports an arch-shaped wood evaporator(pine@carbon black(CB)-metal-organic framework-801(MOF-801)-36%)for efficient,fast and continuous interfacial solar evaporation,which is composed of an arch-shaped wood substrate,MOF-801,and CB as a light absorption *** archshaped structure has a double-sided evaporation effect,which has a synergistic effect on augmenting solar evaporation *** addition,the in-situ growth of MOF-801 in pretreated wood microchannels renders the wood evaporator a significant function of reducing the equivalent enthalpy of evaporation due to the reduction of the hydrogen bonding density of water molecules as they pass through the wood *** best evaporation rate of the arch-shaped wood evaporator can reach 2.535 kg·m^(−2)·h^(−1),and the efficiency reaches 93.7%under the irradiation of 1 sun ***,it could be used for desalination and wastewater treatment to collect fresh water that meets drinking requirements set by the World Health Organization(WHO).This integrated evaporator provides an efficient way for commercial portable photothermal conversion and new ideas for advanced solar-driven water treatment technology.

关键词： arch-shaped solar evaporation wood metal-organic frameworks(MOFs) double-sided evaporation

A bifunctional wood membrane modified by MoS_(2)/covalent organic framework heterojunctions for effective solar-driven water evaporation and contaminant degradation

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Science China Chemistry 2024年第6期67卷 2111-2120页

作者： Ziwei Cui Jianfei Wu Haoran Li Yaning Xu Tiantian Wu Lixing Kang Qing Huang Yahui Cai Jianzhang Li Dan Tian Co-Innovation Center of Efficient Processing and Utilization of forest resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing210037China Key Laboratory of Multifunctional Nanomaterials and Smart Systems Suzhou Institute of Nano-Tech and Nano-BionicsChinese Academy of SciencesSuzhou215123China State Key Laboratory of Efficient Production of forest resources Beijing Forestry UniversityBeijing100083China

Interfacial solar evaporation technology is considered one of the most promising strategies for alleviating the scarcity of freshwater ***,solar-driven evaporation technology cannot eliminate the pollutants in the residual *** solve this problem,we have prepared a two-in-one solar-driven evaporation/photocatalysis system by decorating MoS_(2)/covalent organic framework(COF)heterojunctions on wood(MoS_(2)/COF-wood).Thanks to the unique porous structure of wood,it provides a strong guarantee for water transport and vapor release during the evaporation *** introduction of MoS_(2) and COFs can promote the breaking of hydrogen bonds between water molecules,which leads to a significant decrease in the enthalpy of evaporation,achieving a water evaporation rate as high as 2.17 kg m^(-2)h^(-1)under 1 sun ***,the resulting MoS_(2)/COF-wood exhibits good salt resistance and *** addition,the heterojunctions formed between COFs and MoS_(2) can effectively inhibit charge carrier complexation and improve the photocatalytic degradation ability of pollutants(over 99%).This study highlights the construction strategy of bifunctional wood-based materials for freshwater production and wastewater remediation.

关键词： covalent organic framework MoS_(2) wood photocatalysis solar-driven evaporation

Reconstructing historical forest fire risk in the non-satellite era using the improved forest fire danger index and long short-term memory deep learning-a case study in Sichuan Province,southwestern China

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forest Ecosystems 2024年第1期11卷 87-99页

作者： Yuwen Peng Huiyi Su Min Sun Mingshi Li Co-Innovation Center for Sustainable forestry in Southern China Nanjing Forestry UniversityNanjing 210037China college of forestry Nanjing Forestry UniversityNanjing 210037China

Historical forest fire risk databases are vital for evaluating the effectiveness of past forest management approaches,enhancing forest fire warnings and emergency response capabilities,and accurately budgeting potential carbon emissions resulting from ***,due to the unavailability of spatial information technology,such databases are extremely difficult to build reliably and completely in the non-satellite *** study presented an improved forest fire risk reconstruction framework that integrates a deep learning-based time series prediction model and spatial interpolation to address the challenge in Sichuan Province,southwestern ***,the forest fire danger index(FFDI)was improved by supplementing slope and aspect *** compared the performances of three time series models,namely,the autoregressive integrated moving average(ARIMA),Prophet and long short-term memory(LSTM)in predicting the modified forest fire danger index(MFFDI).The bestperforming model was used to retrace the MFFDI of individual stations from 1941 to *** this,the Anusplin spatial interpolation method was used to map the distributions of the MFFDI at five-year intervals,which were then subjected to weighted overlay with the distance-to-river layer to generate forest fire risk maps for reconstructing the forest fire danger *** results revealed LSTM as the most accurate in fitting and predicting the historical MFFDI,with a fitting determination coefficient(R^2)of 0.709,mean square error(MSE)of0.047,and validation R^2 and MSE of 0.508 and 0.11,*** validation of the predicted forest fire risk maps indicated that 5 out of 7 historical forest fire events were located in forest fire-prone areas,which is higher than the results determined from the original FFDI(2 out of 7).This proves the effectiveness of the improved MFFDI and indicates a high level of reliability of the historical forest fire risk reconstruction method proposed in this stu

关键词： forest fire risk reconstruction MFFDI Time series models LSTM ARIMA Prophet Anusplin

Nanotechnology approaches towards biodeterioration-resistant wood:A review

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Journal of Bioresources and Bioproducts 2024年第1期9卷 3-26页

作者： Ayyoob Arpanaei Qiliang Fu Tripti Singh Scion Private Bag 3020Rotorua 3046New Zealand Co-Innovation Center of Efficient Processing and Utilization of forest resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjing 210037China

Wood can be a suitable alternative to energy-intensive materials in various ***-ertheless,its susceptibility to weathering and decay has significantly hindered the broad adop-tion of the most commercially significant wood *** current solutions do tackle certain challenges,they often come with disadvantages like high costs,environmental risks,and/or ***-based methods can be employed to mitigate these weaknesses and create durable,sustainable wood *** this review,we delve into cutting-edge advance-ments in the development of biodeterioration-resistant wood through innovative nanotechnol-ogy *** methods usually involve the application of nanomaterials,either pos-sessing biocidal properties or serving as carriers for *** systematically describe these approaches and compare them to conventional wood modification ***,this re-view provides a brief overview of the prevalent biodeteriorating organisms and their mechanisms of action,which notably impact the development and choice of a suitable strategy for wood mod-ification/*** the requirements of biodeteriorating organisms for growth and wood degradation,it is expected that the new nanotechnology-based approaches to enhance wood dura-bility may provide innovative broad-spectrum biocidal *** systems can simulta-neously induce alterations in the physicochemical properties of wood,thereby constraining the availability of the growth *** alterations can efficiently inhibit the biodeterio-ration process by decreasing water absorption,restricting access to the wood components,and reducing void spaces within the wood ***,this review highlights the new oppor-tunities,challenges,and perspectives of nanotechnology methods for biodeterioration-resistant wood,through which some techno-economic,environmental and safety aspects associated with these methods are addressed.

关键词： Wood durability Decay Wood modification Biodeterioration mechanisms Biocides Wood nanotechnology