搜索结果: 1-15 共查到“Land Degradation”相关记录20条 . 查询时间(0.127 秒)
中国科学院地理科学与资源研究所史文娇等关于“高标准农田综合效益评价及其空间预测”的科研成果在农林科学一区TOP期刊《Land Degradation & Development》作为封面文章发表（图）
史文娇 高标准 农田综合效益评价 空间预测 科研成果
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2020/8/24
建设高标准农田是巩固和提高粮食生产能力、保障国家粮食安全的关键举措。近年来，我国大力推进高标准农田建设，取得了明显成效。因此，开展高标准农田综合效益评价及其空间尺度预测研究，能够为我国未来高标准农田建设布局、优化管理及战略决策提供科学依据和支撑。近期，史文娇等以我国重要的粮食主产区之一黄淮海区为研究对象，构建了包含经济、社会、生态效益的综合效益评价指标体系及综合评价模型，对黄淮海区高标准农田抽样项...
FREQUENCY ANALYSIS OF MODIS NDVI TIME SERIES FOR DETERMINING HOTSPOT OF LAND DEGRADATION IN MONGOLIA
MODIS-NDVI Climate Parameter Time-series trend analysis Mann-Kendall
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2018/5/15
This study examines MODIS NDVI satellite imagery time series can be used to determine hotspot of land degradation area in whole Mongolia. The trend statistical analysis of Mann-Kendall was applied to ...
内蒙古农业大学沙漠治理学院师生共同完成的科研论文发表在《Land Degradation&Development》上
内蒙古农业大学沙漠治理学院 师生 科研论文 Land Degradation&Development
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2017/3/3
近日，内蒙古农业大学沙漠治理学院高永和党晓宏为共同第一作者、汪季为通讯作者完成的论文“Effects of Tillage Methods on Soil Carbon and Wind Erosion ”（“耕作方式对土壤碳及其风蚀的影响研究”）发表在《Land Degradation& Development》（《土地退化与开发》）上。
DETECTION OF CHANGES IN LAND DEGRADATION IN NORTHEAST CHINA FROM LANDSAT TM AND ASTER DATA
Remote Sensing Change Detection Land Degradation Thematic Accuracy Landsat ASTER China
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2016/1/3
This study aims to determine the accuracy level at which different forms of land degradation can be mapped from medium-resolution satellite data, and to assess how accurately degraded land can be dete...
LAND DEGRADATION ANALYSIS IN THE ONGI RIVER BASIN
Socio-economic Mineral Resources Degradation Biodiversity MSAVI2 NDVI
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2015/12/31
During Mongolia's transition to the free market, socio-economic factors such as poverty and profit-seeking have greatly increased small to large-scale mining, as well as illicit activity resulting in ...
LAND DEGRADATION MONITORING IN THE WEST MUUS,CHINA
Remote Sensing Land Degradation Monitoring Policy Impacts West MuUs China
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2015/12/28
This paper presents a study on land degradation monitoring focused in the west part of the MuUs Sandy Land in Ordos, one of the important dry areas in China, aiming to understand land degradation dist...
Ontology-based Land Degradation Assessment from Satellite Images
Land Use Change Detection Understanding Updating Knowledge Base Parameters
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2015/12/2
In this paper, we introduce the idea of documenting operational chains for land degradation assessment using ontologies. We believe that this will help end-users in better understanding the land degra...
Land Degradation Modeling in Dal lake Catchment Using Geospatial Tools
Erosion KINEROS2 Land degradation
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2015/8/31
Soil erosion is a complex dynamic process by which productive surface soils are detached, transported and
accumulated in a distant place resulting in exposure of subsurface soil and sedimentation dow...
A LANDUSE CHANGE AND LAND DEGRADATION STUDY IN SPAIN AND GREECE USING REMOTE SENSING AND GIS
Remote Sensing GIS Land Cover Land Use Change Detection Classification Hydrology Soil
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2015/7/29
The relationship between landuse/landcover (LULC) changes and land degradation in two Mediterranean sites is investigated using
remotely sensed and ancillary data. The areas of study, the Xaló river...
land Degradation by Erosion and Its Economic Consequences for the Region of South Moravia (Czech Republic)
erosion evaluated soil-ecological units
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2015/7/28
The quality of agricultural land fund in the Czech Republic is assessed via a valuation system based on the
ecological-productive land evaluation. This system was established in the 1960–1980s after...
Gis Modelling of Land Degradation in Northern-jordan Using Landsat Imagery
Remote Sensing GIS Change Detection
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2015/7/7
An empirical model based on high resolution spatial and temporal remotely sensed data offers the ability to assess
the degradation impacts of changes in land cover in a spatial context. In an attempt...
Climate Change Induced Land Degradation and Socio-Economic Deterioration: A Remote Sensing and GIS Based Case Study from Rajasthan, India
Climate Change Remote Sensing Land Use/Land Cover Socio-Economic
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2013/3/5
The present study attempts to identify and quantify climate change induced land degradation at watershed and village level in Jaggar Watershed of Eastern Rajasthan using remote sensing and GIS techniq...
Use of models in assessing the impact of cropping system, land types and suitability on land degradation in Southwestern Nigeria
Land degradation cropping system land type model suitability
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2011/1/13
Two sites (Apomu and Alabata) measuring 10 ha and representing rainforest and savannah agro-ecological zones, respectively in South Western Nigeria were chosen to evaluate the influences of cropping s...
Biological Diversity，Land Degradation and Sustainable Rural Livelihoods
Diversity Sustainable biological
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2009/6/1
The l998 Conference Of Parties to the Convention on Biological Dirersity asked naional govermments to demonstrate the importance Of biological diversity in supporting mnd communities. This paper intro...
Wind, Salt, and Water Are Leading Indicators of Land Degradation in Abu Dhabi
Wind, Salt, and Water Leading Indicators Land Degradation Abu Dhabi
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2009/12/16
Desert environments are characterized by poor vegetative cover, strong winds, dry, non-cohesive sandy soils, and hyper-arid conditions. In this context, the land resources of Abu Dhabi Emirate in the ...