Effects of Ecological Restoration Measures of Fish-scale Pit on Soil and Water Conservation in Bashang Grassland [PDF]
[Objective] The effects of fish-scale pits at different locations on soil and water conservation were studied in order to define underlying layout principles for fish-scale pits, and to provide information for fish-scale pit site selection and effect ...
Huang Lingbing +7 more
core +1 more source
Soil and Water Conservation and Ecological Benefits of Forest Ecosystem in New Urban Karst Areas of Central Guizhou Province [PDF]
[Objective] Soil and water conservation and ecological benefits of forest ecosystem in the new urban karst areas of Guanshanhu District, Guiyang City in Central Guizhou Province were studied to scientifically evaluate the achievements of ecological ...
Dai Zhengjiao +6 more
core +1 more source
Construction of Ecological Security Pattern in Ecological Barrier Zone of Loess Plateau Based on “Importance-Sensitivity-Landscape Features” [PDF]
[Objective] The relationship between ecological spatial network structure and soil conservation was analyzed in order to provide countermeasures and suggestions for improving ecosystem services in the Loess Plateau barrier region.
Liu Hongjun +5 more
core +1 more source
A Study on Carbon Fixation Capacity and Its Influencing Factors Based on InVEST Model at Wuhu City [PDF]
[Objective] The spatial and temporal distribution pattern of carbon storage at Wuhu City, Anhui Province from 2011 to 2021 were analyzed, and the influence of ecological environmental factors, topographic factors, meteorological factors, and land use ...
Chu Yunzhi +9 more
core +1 more source
Temporal and Spatial Evolution of Ecological Sensitivity at Coal Mining Cities in a Karst Region During 2000—2020 [PDF]
[Objective] The temporal and spatial evolution characteristics of ecological sensitivity in a typical coal mine resource city (Liupanshui City in Guizhou Province) in a karst region from 2000 to 2020 were analyzed in order to provide a basis for the ...
Chai Jiaojiao +3 more
core +1 more source
降雨是引起土壤水蚀的主要动力因子之一,为探讨韶关市不同量级降雨对土壤水蚀特征造成的影响,选取1951—2018年韶关市逐日降雨量数据,采用日降雨侵蚀力模型计算降雨侵蚀力,利用变异系数、趋势系数分析不同时间尺度各量级降雨侵蚀力的变化。结果表明:(1)68年来韶关市年均降雨侵蚀力为9 314(MJ·mm)/(hm2·h·a),变异系数为0.29,属于中等变异;(2)年降雨量、降雨日数、侵蚀性降雨量和降雨日数均呈上升趋势,而非侵蚀性降雨量和降雨日数则呈下降趋势,且暴雨量和暴雨侵蚀力呈较明显上升趋势 ...
吴洁玲 +4 more
doaj
研究重庆降雨侵蚀力(RE)和侵蚀力密度(ED)的时空变化,有利于开展土壤侵蚀防治和水土流失风险评估。利用1961—2020年重庆34个气象站的逐日降雨数据、TM遥感影像资料,采用日降雨侵蚀力模型、Mann-Kendall非参数检验、变异系数、克里金插值、叠加分析等方法,对降雨侵蚀力和侵蚀力密度进行时空分析,对重庆土壤侵蚀强度进行空间分析。结果表明:(1)重庆年平均降雨侵蚀力为5 672.32(MJ·mm)/ (hm2·h·a),年平均侵蚀力密度为4.94 MJ/(hm2·h·a ...
魏兴萍, 肖成芳, 张爱国
doaj
Spatiotemporal Characteristics of Carbon Storage and Its Response to Land Use Changes in Fujian Province [PDF]
[Objective] The ecosystem carbon storage and its response to land use changes in Fujian Province were analysed in order to provide a reference for ecosystem protection.
Lin Yingbing +3 more
core +1 more source
Construction of Ecological Security Pattern and Identification of Key Regions Based on Ecological Assessment and Circuit Theory [PDF]
[Objective] The ecological security pattern of Anhui Province was constructed and the key areas of ecological restoration were identified in order to build an ecological basis for urban development, and to provide a scientific basis for the territorial ...
Chu Zhaojun +4 more
core +1 more source
为有效防治流域土壤侵蚀、维护生态安全,基于九曲水流域1982—2019年逐日降雨数据,运用小波分析、交叉小波变换等方法分析了中雨、大雨、暴雨及年降雨侵蚀力的年际变化规律,并探讨了太阳黑子、厄尔尼诺—南方涛动(ENSO)、北极涛动(AO)及太平洋年代际涛动(PDO)对它们的影响。结果表明:(1)中雨、大雨、暴雨及年降雨侵蚀力的年际变化趋势均不显著(p>0.05),其变异系数(CV)分别为0.24,0.31,0.64,0.26,均属于中等变异。(2)不同量级降雨侵蚀力的周期变化差异明显 ...
李俊 +4 more
doaj

