Search Results - "Bégue, Agnès"
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1
Scavenger Chemokine (CXC Motif) Receptor 7 (CXCR7) Is a Direct Target Gene of HIC1 (Hypermethylated in Cancer 1)
Published in The Journal of biological chemistry (31-07-2009)“…The tumor suppressor gene HIC1 (Hypermethylated in Cancer 1) that is epigenetically silenced in many human tumors and is essential for mammalian development…”
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2
Driving forces of recent vegetation changes in the Sahel: Lessons learned from regional and local level analyses
Published in Remote sensing of environment (15-03-2017)“…A wide range of environmental and societal issues such as food security policy implementation requires accurate information on biomass productivity and its…”
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3
Maize yield estimation in West Africa from crop process-induced combinations of multi-domain remote sensing indices
Published in European journal of agronomy (01-08-2019)“…•An uncalibrated approach was tested for maize grain yield estimation in Burkina-Faso.•Satellite-derived (NDVI, LST and SSM) vegetation and drought indices…”
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4
A Combined Random Forest and OBIA Classification Scheme for Mapping Smallholder Agriculture at Different Nomenclature Levels Using Multisource Data (Simulated Sentinel-2 Time Series, VHRS and DEM)
Published in Remote sensing (Basel, Switzerland) (01-03-2017)“…Sentinel-2 images are expected to improve global crop monitoring even in challenging tropical small agricultural systems that are characterized by high intra-…”
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Food security prediction from heterogeneous data combining machine and deep learning methods
Published in Expert systems with applications (15-03-2022)“…After many years of decline, hunger in Africa is growing again. This represents a global societal issue that all disciplines concerned with data analysis are…”
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Potential of SAR sensors TerraSAR-X, ASAR/ENVISAT and PALSAR/ALOS for monitoring sugarcane crops on Reunion Island
Published in Remote sensing of environment (01-08-2009)“…Multi-temporal TerraSAR-X, ASAR/ENVISAT and PALSAR SAR data acquired at various incidence angles and polarizations were analyzed to study the potential of…”
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7
Tree species diversity analysis using species distribution models: A Faidherbia albida parkland case study in Senegal
Published in Ecological indicators (01-11-2022)“…•The tree species diversity of a Sahelian agroforestry parkland was analyzed using SDM.•Benchmarking several modeling techniques allowed us strengthening the…”
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Landscape heterogeneity analysis using geospatial techniques and a priori knowledge in Sahelian agroforestry systems of Senegal
Published in Ecological indicators (01-06-2021)“…•A combined approach was proposed to improve sampling processes in complex landscapes.•Landscape heterogeneity was mapped through a multisource data based…”
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9
A multi-year land use trajectory strategy for non-active agricultural land mapping in sub-humid West Africa
Published in International journal of applied earth observation and geoinformation (01-08-2023)“…Non-active agricultural land (NAAL) mapping in West Africa is essential to accurately assess agricultural systems and its contribution to food security and…”
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10
Coupling a sugarcane crop model with the remotely sensed time series of fIPAR to optimise the yield estimation
Published in European journal of agronomy (01-11-2014)“…•We test several ways of coupling remote sensing data to a sugarcane crop model.•Forcing the model enhances the yield estimation (RMSE=14.5 vs…”
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11
Understanding the drivers of deforestation and agricultural transformations in the Northwestern uplands of Cambodia
Published in Applied geography (Sevenoaks) (01-01-2019)“…At the end of the 1990s, the Northwestern uplands of Cambodia were one of the last forest frontiers of the country. In a region that was the last Khmer Rouge…”
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A Remote Sensing Approach for Regional-Scale Mapping of Agricultural Land-Use Systems Based on NDVI Time Series
Published in Remote sensing (Basel, Switzerland) (01-06-2017)“…In response to the need for generic remote sensing tools to support large-scale agricultural monitoring, we present a new approach for regional-scale mapping…”
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13
Insight into large-scale LULC changes and their drivers through breakpoint characterization – An application to Senegal
Published in International journal of applied earth observation and geoinformation (01-08-2024)“…•BFASTm-L2 change characterization provides insight into national land dynamics.•Differentiation between change types improves understanding of LULC change…”
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14
How can text mining improve the explainability of Food security situations?
Published in Journal of intelligent information systems (01-08-2024)“…Food Security (FS) is a major concern in West Africa, particularly in Burkina Faso, which has been the epicenter of a humanitarian crisis since the beginning…”
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Toward a Satellite-Based System of Sugarcane Yield Estimation and Forecasting in Smallholder Farming Conditions: A Case Study on Reunion Island
Published in Remote sensing (Basel, Switzerland) (01-07-2014)“…Estimating sugarcane biomass is difficult to achieve when working with highly variable spatial distributions of growing conditions, like on Reunion Island. We…”
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16
Assessing the optimal preprocessing steps of MODIS time series to map cropping systems in Mato Grosso, Brazil
Published in International journal of applied earth observation and geoinformation (01-10-2020)“…•The potential of MODIS time series to map integrated cropping systems is assessed.•Various preprocessing levels are tested, including smoothing and…”
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Mapping Cropping Practices of a Sugarcane-Based Cropping System in Kenya Using Remote Sensing
Published in Remote sensing (Basel, Switzerland) (2015)“…Over the recent past, there has been a growing concern on the need for mapping cropping practices in order to improve decision-making in the agricultural…”
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BFASTm-L2, an unsupervised LULCC detection based on seasonal change detection – An application to large-scale land acquisitions in Senegal
Published in International journal of applied earth observation and geoinformation (01-07-2023)“…•Change maps based on breakpoint magnitudes often highlight abrupt/amplitude changes.•Land use changes induced by Large-Scale Land Acquisitions are mostly…”
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19
Leaf area index estimation with MODIS reflectance time series and model inversion during full rotations of Eucalyptus plantations
Published in Remote sensing of environment (15-02-2011)“…The leaf area index (LAI) of fast-growing Eucalyptus plantations is highly dynamic both seasonally and inter-annually, and is spatially variable depending on…”
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Can a 25-year trend in Soudano-Sahelian vegetation dynamics be interpreted in terms of land use change? A remote sensing approach
Published in Global environmental change (01-05-2011)“…This study is based on the premise that, in the Sahel/Sudanian belt of Africa, the main determinants of interannual variation in vegetation dynamics are…”
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