检索结果-南通市图书馆

A comprehensive review on coupled processes and mechanisms of soil-vegetation-hydrology, and recent research advances

引用

science China Earth sciences 2022年第11期65卷 2083-2114页

作者： Zhongkai LI Xiaoyan LI Sha ZHOU Xiaofan YANG Yongshuo FU Chiyuan MIAO Shuai WANG Guanghui ZHANG Xiuchen WU Chao YANG Yuanhong DENG state Key Laboratory of Earth Surface Processes and Resource Ecology Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China School of Natural Resources Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China Academy of Plateau science and Sustainability Qinghai Normal UniversityXining 810016China School of Geographical sciences Qinghai Normal UniversityXining 810016China College of Water sciences Beijing Normal UniversityBeijing 100875China

Research on the coupling of soil,vegetation,and hydrological processes is not only a research hotspot in disciplines such as pedology,ecohydrology and Earth system science but also important for achieving sustainable ***,scientists from different disciplines usually study the coupling mechanism of soil-vegetation-hydrological processes at very different space and time scales,and the mechanistic connections between different scales are quite *** article reviewed research advances in coupled soil-vegetation-hydrological processes at different spatial scales—from leaf stomata to watershed and regional scales—and summarized the spatial upscaling methods and modeling approaches of coupled soil-vegetationhydrological *** identify and summarize the following coupling processes:(1)carbon-water exchange in leaf stomata and root-soil interface;(2)changes in soil aggregates and profile hydraulic properties caused by plant roots and water movement;(3)precipitation and soil moisture redistribution by plant canopy and root;(4)interactions between vegetation patches and local hydrological process;(5)links between plant community succession and soil development;and(6)links between watershed/regional water budget and vegetation phenology and ***,the limitations and knowledge gaps in the observations,mechanisms,scaling methods,and modeling approaches of coupled soil-vegetation-hydrological processes were *** achieve a deep integration of various coupling processes across different spatiotemporal scales,future work should strengthen multiscale,multifactor and multiprocess soil-vegetation-hydrology coupling observations and mechanism studies,develop new scaling methods,identify different feedback pathways,and take time-variable plant behavior and soil hydraulic properties into account during modeling.

关键词： Ecohydrological process soil process Plant-soil feedback Modeling approaches Scaling method

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Peculiarities of Heavy Metals Accumulation by the Plants of Meadow Phytocenosis

引用

Open Journal of soil science 2012年第3期2卷 275-281页

作者： Тatyana А. Trifonova Ekaterina Y. Alkhutova faculty of Chemistry and Ecology Vladimir State Univer- sity Vladimir Russia soil science department lomonosov state university Moscow Russia

This work is devoted to studying of the accumulation peculiarities of heavy metals (HM) by the meadow phytocenosis plants and also plants phytomeliotating properties at various levels of soil contamination. The system “cespitose-podsol soil – meadow vegetation” has been chosen as a research object. Heavy metals as a kind of industrial waste-galvanic slurry enriched by zinc amounting 79.7% of all HM detected in the slurry-was introduced into the soil. Heavy metals content and redistribution in soil at various amount of galvanic slurry, quantitative and specific content of phytocenosis, heavy metals accumulation in the meadow vegetation crop at various contamination layers have been studied during research. Among the researched phytocenosis the groups of plants with high and low heavy metals accumulation capacity have been defined. Cirsium arvense, Capsella bursapastoris, Artemisia vulgarus and Rumex confertus belonged to the group accumulating several heavy metals in considerable amounts without significant phytomass loss. The majority of these plants possess developed phytomass and their ability to accumulate heavy metals in large amount allows using them as phytomeliorants for soil decontamination at the final stages of reclaiming.

关键词： Heavy Metals Meadow Phytocenosis Plants Phytomeliotating Properties

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Habitat components and population density drive plant litter consumption by Eudrilus eugeniae(Oligochaeta)under tropical conditions

引用

Integrative Zoology 2021年第2期16卷 255-269页

作者： Michel Mathurin KAMDEM Albert NGAKOU Nicolas YANOU NJINTANG Patricks vOUA OTOMO Department of Zoology&Entomology University of the Free State–QwaQwa CampusPhuthaditjhabaRepublic of South Africa Department of Biological sciences Faculty of ScienceUniversity of NgaoundereNgaoundereRepublic of Cameroon

The ingestion of organic and mineral materials by earthworms is a prominent functional role that has profound consequences for the decomposition and stabilization of soil organic *** investigate the litter consumption of the African nightcrawler earthworm Eudrilus eugeniae under different tropical conditions,we used DNA barcoding to identify specimens of *** collected from sites across the Adamawa region in Cameroon,and studied the influence of habitat suitability(soil properties),soil moisture,litter type,and population density on litter consumption.A total of four litter consumption experiments were carried out using soils collected from refuse disposal sites,agricultural lands,and savannahs dominated by the Mexican sunflower Tithonia *** results revealed that litter consumption significantly increased in the refuse disposal and agricultural soils as opposed to the Mexican sunflower(***)soil,a cow dung enriched substrate,and a sterile soil horizon from the savannah(P0.05).We observed a general positive density-dependent consumption with litter mass loss increasing with increasing *** results suggest that *** has a strong direct effect on the decomposition of plant materials than expected from previous estimations,and that litter consumption rates are determined by several habitat components and population density.

关键词： consumption rate DNA barcoding Eudrilus eugeniae habitat suitability tropical area

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

soil Macropore Structure Characterized by X-Ray Computed Tomography Under Different Land Uses in the Qinghai Lake Watershed, Qinghai-Tibet Plateau

引用

Pedosphere 2018年第3期28卷 478-487页

作者： HU Xia LI Zongchao LI Xiaoyan WANG Pei ZHAO Yunduo LIU Lianyou LU Yanli state Key Laboratory of Earth Surface Processes and Resource Ecology Faculty of Geographical Science Beijing Normal UniversityBeijing 100875( China) School of Natural Resources Faculty of Geographical Science Beijing Normal University Beijing 100875( China) Academy of Disaster Reduction and Emergency Management Beijing Normal University Beijing 100875( China)

Quantification of soil macropores is important to enhance our understanding of preferential pathways for water, air, and chemical movement in soils. However, the soil architecture of different land uses is not well understood in elusive alpine regions. The objective of this study was to quantify the architecture of soil macropores in a Kobresia meadow, farmland, and sand in the Qinghai Lake watershed of northeastern Qinghai-Tibet Plateau, China using X-ray computed tomography. Nine soil cores at 0-50 cm depth were collected at three sites with three replicates. At each site, the three collected cores were scanned using a GE HiSpeed FX/i medical scanner （General Electric, USA）. To analyze soil architecture, the number of macropores, maeroporosity, and mean macropore equivalent diameter within the 50 cm soil profile were determined from the X-ray computed tomography. Analysis of variance indicated that land use significantly influenced macroporosity, mean macropore equivalent diameter, and number of macropores. The soils of the Kobresia meadow and farmland had greater macroporosity and developed deeper and longer maeropores than that of sand. For the Kobresia meadow, macropores were distributed mainly in the 0-10 cm soil layer, while they were distributed in the 0-20 cm soil layer for the farmland. The large number of macropores observed in the soils of the Kobresia meadow and farmland could be attributed to greater root development. The results of this study provided improved quantitative evaluation of a suite of soil macropore features with significant implications for non-equilibrium flow prediction and chemical transport modeling in soils.

关键词： farmland Kobresia meadow macroporosity root development sand soil architecture

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Environmental impacts of a large-scale incinerator with mixed MSW of high water content from a LCA perspective

引用

Journal of Environmental sciences 2015年第4期27卷 173-179页

作者： Ziyang Lou Bernd Bilitewski Nanwen Zhu Xiaoli Chai Bing Li Youcai Zhao School of Environmental science and Engineering Shanghai Jiaotong University Institute for Waste Management and Contaminated Sites Treatment TU Dresden Faculty of Forestry Geo and Hydro Sciences state Key Laboratory of Pollution Control and Resource Reuse School of Environmental Science and Engineering Tongji University

Large-scale incinerators are applied widely as a result of the heavy burden of municipal solid waste（MSW） generated, while strong opposition is arising from the public living nearby. A large-scale working incineration plant of 1500 ton/day was chosen for evaluation using life cycle assessment. It was found that the corresponding human toxicity impacts via soil（HTs）, human toxicity impacts via water（HTw） and human toxicity impacts via air（HTa）categories are 0.213, 2.171, and 0.012 personal equivalents（PE）, and global warming（GW100）and nutrient enrichment（NE） impacts are 0.002 and 0.001 PE per ton of waste burned for this plant. Heavy metals in flue gas, such as Hg and Pb, are the two dominant contributors to the toxicity impact categories, and energy recovery could reduce the GW100 and NE greatly. The corresponding HTs, HTw and HTa decrease to 0.087, 0.911 and 0.008 PE, and GW100 turns into savings of- 0.007 PE due to the increase of the heating value from 3935 to5811 k J/kg, if a trommel screener of 40 mm mesh size is used to pre-separate MSW. MSW sorting and the reduction of water content by physical pressure might be two promising pre-treatment methods to improve the combustion performance, and the application of stricter standards for leachate discharge and the flue gas purification process are two critical factors for improvement of the environmental profile identified in this work.

关键词： Large scale incinerator Life cycle assessment Environmental impact MSW Sorting system China

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

A disaggregation approach for estimating high spatial resolution broadband emissivity for bare soils from Landsat surface reflectance

引用

International Journal of Digital Earth 2018年第7期11卷 691-702页

作者： Jie Cheng Shunlin Liang Hao Liu Aixiu Nie Qiang Liu state Key Laboratory of Remote Sensing science Faculty of GeographyBeijing Normal UniversityBeijingPeople’s Republic of China Department of Geographical sciences University of MarylandCollege ParkMDUSA state Key Laboratory of Remote Sensing science College of Global Change and Earth System ScienceBeijing Normal UniversityBeijingPeople’s Republic of China

High spatial resolution land surface broadband emissivity(BBE)is not only useful for surface energy balance studies at local scales,but also can bridge the gap between existing coarser resolution BBE products and point-based field *** study proposes a disaggregation approach that utilizes the established BBE–reflectance relationship for estimating high spatial resolution BBE for bare soils from Landsat surface reflectance *** disaggregated BBE is compared to the BBE calculated from spatial–temporal matched Advanced Spaceborne Thermal Emission and Reflectance Radiometer emissivity *** results show that better agreement is achieved over relative homogeneous areas,but deteriorated over heterogeneous and cloud-contaminated *** addition,field-measured emissivity data over large homogeneous desert were also used to validate the disaggregated BBE,and the bias is *** comparison and validation results indicated that the disaggregation approach can obtain high spatial resolution BBE with better accuracy for homogeneous area.

关键词： Broadband emissivity ASTER TM bare soil disaggregation

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Spatial patterns of net primary productivity and its driving forces:a multi-scale analysis in the transnational area of the Tumen River

引用

Frontiers of Earth science 2020年第1期14卷 124-139页

作者： Jianwen WANG Da ZHANG Ying NAN Zhifeng LIU Dekang QI Department of Geography Yanbian UniversityYanji 133002China Center for Human-Environment System Sustainability(CHESS) State Key Laboratory of Earth Surface Processes and Resource Ecology(ESPRE)Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China School of Natural Resources Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China

Analyzing the spatial patterns of net primary productivity(NPP)and its driving forces in transnational areas provides a solid basis for understanding regional ecological processes and ecosystem ***,the spatial patterns of NPP and its driving forces have been poorly understood on multiple scales in transnational *** this study,the spatial patterns of NPP in the transnational area of the Tumen River(TATR)in 2016 were simulated using the Carnegie Ames Stanford Approach(CASA)model,and its driving forces were analyzed using a stepwise multiple linear regression *** found that the total amount of NPP in the TATR in 2016 was approximately 14.53 *** amount of NPP on the Chinese side(6.23 TgC)was larger than those on the other two sides,accounting for 42.88%of the total volume of the entire *** different land-use and land-cover(LULC)types,the amount of NPP of the broadleaf forest was the largest(11.22 TgC),while the amount of NPP of the bare land was the *** NPP per unit area was about 603.21 gC/(m2 yr)across the entire region,while the NPP per unit area on the Chinese side was the largest,followed by the Russian side and the DPRK's *** spatial patterns of NPP were influenced by climate,topography,soil texture,and human *** addition,the driving forces of the spatial patterns of NPP in the TATR had an obvious scaling effect,which was mainly caused by the spatial heterogeneity of climate,topography,soil texture,and human *** suggest that effective land management policies with cooperation among China,the DPRK,and Russia are needed to maintain NPP and improve environmental sustainability in the TATR.

关键词： transnational area of the Tumen River NPP spatial pattern driving force multiple scale

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Fenton treatment via oxidative mechanism and its kinetics on soil polluted with automatic gas oil

引用

Petroleum 2018年第4期4卷 452-456页

作者： O.v.Akpoveta W.O.Medjor Eunice Adebowale Medjor Department of Chemical sciences Ondo State University of Science and Technology(OSUSTECH)OkitipupaP.M.B 353OkitipupaOndo StateNigeria Department of Chemistry Faculty of Science Taraba State UniversityJalingoNigeria Department of Civil Engineering Faculty of Engineering Taraba State UniversityJalingoNigeria

The effectiveness,viability and feasibility of applying Fenton reactants in treating soil contaminated with automatic gas oil(AGO)was investigated *** was simulated to achieve 10%contamination using AGO(diesel)as the primary *** properties and heavy metal contents were characterized using standard analytical methods,while total petroleum hydrocarbon(TPH)content was determined by molecular *** investigation of the soil physicochemical properties shows severe impact of the contaminant on pH,conductivity,phosphorus and(TPH)*** optimum concentration of Fenton reactants determined from the optimization study was found to be 350,000 ppm H2O2 and 600 ppm FeSO4 at optimum room temperature range of 27e30C and optimum pH of *** highly exothermic Fenton oxidation treatment resulted in significant decrease in TPH content by 87.6%after 6 h of periodic monitoring;breaking down the hydrocarbons into non-toxic environmental friendly *** analysis and evaluation shows pseudo-first order mechanism for the Fenton treatment with a calculated rate constant of 0.226 h-1 and half life of 3 h 4 *** Fenton method is found to be very effective and efficient not only for the removal of the diesel contaminant,but also for the restoration of lost physicochemical properties occasioned by the effect of the *** environmental friendliness and fast response time towards effective clean up gives the technique a cutting edge advantage over other conventional *** therefore presents potentials for remediation experts in outright applications on real field challenges.

关键词： Automatic gas oil Physicochemical Total petroleum hydrocarbon Fenton oxidation Pseudo first order Optimization study

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

overview of Strain Characterization in Relation to Serological and Molecular Detection of Citrus tristeza Closterovirus

引用

Phyton-International Journal of Experimental Botany 2021年第4期90卷 1063-1074页

作者： Yasir Iftikhar Mazhar Abbas Mustansar Mubeen Muhammad Zafar-ul-Hye Faheema Bakhtawar Sonum Bashir Ashara Sajid Muhammad Asif Shabbir Department of Plant Pathology College of AgricultureUniversity of SargodhaSargodha40100Pakistan Institute of Horticultural sciences University of Agriculture FaisalabadFaisalabad38000Pakistan state Key Laboratory of Agricultural Microbiology and Provincial Key Laboratory of Plant Pathology of Hubei Province College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan430070China Department of soil science Faculty of Agricultural Sciences and TechnologyBahauddin Zakariya UniversityMultan60800Pakistan

Tristeza is a devastating viral disease in all the citrus growing countries throughout the world and has killed millions of citrus trees in severely affected *** citrus species grafted on sour orange rootstock are affected by this ***,the sweet orange,grapefruit and lime trees grafted on sour orange exhibit severe symptoms like quick decline,vein clearing,pin holing,bark scaling and degeneration leading to variable *** expression of Citrus tristeza virus(CTv)in different hosts has been attributed to virus isolates which are from severe to *** serological and molecular assays have been deployed to differentiate the strains of *** tristeza virus is diversified towards its strains on the basis of biological,serological and molecular *** expression is due to genetic alteration and different molecular basis have now been adopted for strain *** review will give a brief idea about the different CTv isolates,their characterization based on nucleic acid and serological *** methods along with salient features for strain characterization has also been *** review will also open the new aspects towards formulation of management strategies through different detection techniques.

关键词： Citrus tristeza virus symptomology detection serology isolates and host rang

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Yellow vein Mosaic Disease in Okra(Abelmoschus esculentus L.):An overview on Causal Agent,vector and Management

引用

Phyton-International Journal of Experimental Botany 2021年第6期90卷 1573-1587页

作者： Mustansar Mubeen Yasir Iftikhar Aqleem Abbas Mazhar Abbas Muhammad Zafar-ul-Hye Ashara Sajid Faheema Bakhtawar Department of Plant Pathology College of AgricultureUniversity of SargodhaSargodha40100Pakistan state Key Laboratory of Agricultural Microbiology and Provincial Key Laboratory of Plant Pathology of Hubei Province College of Plant Science and TechnologyHuazhong Agricultural UniversityWuhan430070China Department of Agriculture and Agribusiness Management University of KarachiKarachi75270Pakistan Department of soil science Faculty of Agricultural Sciences and TechnologyBahauddin Zakariya UniversityMultan60800Pakistan

Okra(Abelmoschus esculentus L.)belongs to the Malvaceae family and is one of the most essential and popular vegetables *** is rich in proteins,carbohydrates,and *** and biotic factors threaten okra *** yellow vein mosaic disease(OYvMD)is the most destructive disease of *** causal agent,[i.e.,Okra yellow vein mosaic virus(OYvMv)]of this disease belongs to the family Geminiviridae and genus *** is a monopartite with additional ssDNA *** virus has two components DNA-A for protein coding and DNA-B for symptoms *** transmits OYvMv in persistent *** symptoms of OYvMv infected okra plants are chlorosis,dwarfing,and yellowing of veins and *** temperatures with moderate rainfall enhance the development of OYvMv disease and the whitefly ***,high humidity with low temperature and rainfall has no significant role in developing the OYvMD and whitefly ***,the virus also affects the secondary metabolites in the infected okra *** virus can be managed through various strategies including the application of plant defense activators,the development of resistant varieties and by controlling its vector via pesticides and plant *** plant defense activators such as monopotassium phosphate(KH2PO),salicylic acid,benzoic acid,and citric acid enhance resistance in okra against *** addition,the resistance to OYMvD can also be achieved by successfully incorporating high yielding but resistant cultivars of acceptable *** this review,we have discussed history,economic impact,symptomology,disease development under a natural environment,genetics and management of OYvMv.

关键词： Okra OYvMv symptoms vectors epidemiological factors management

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：